WordPress/wp-includes/class-wp-customize-manager.php

4460 lines
147 KiB
PHP

<?php
/**
* WordPress Customize Manager classes
*
* @package WordPress
* @subpackage Customize
* @since 3.4.0
*/
/**
* Customize Manager class.
*
* Bootstraps the Customize experience on the server-side.
*
* Sets up the theme-switching process if a theme other than the active one is
* being previewed and customized.
*
* Serves as a factory for Customize Controls and Settings, and
* instantiates default Customize Controls and Settings.
*
* @since 3.4.0
*/
final class WP_Customize_Manager {
/**
* An instance of the theme being previewed.
*
* @since 3.4.0
* @var WP_Theme
*/
protected $theme;
/**
* The directory name of the previously active theme (within the theme_root).
*
* @since 3.4.0
* @var string
*/
protected $original_stylesheet;
/**
* Whether this is a Customizer pageload.
*
* @since 3.4.0
* @var bool
*/
protected $previewing = false;
/**
* Methods and properties dealing with managing widgets in the Customizer.
*
* @since 3.9.0
* @var WP_Customize_Widgets
*/
public $widgets;
/**
* Methods and properties dealing with managing nav menus in the Customizer.
*
* @since 4.3.0
* @var WP_Customize_Nav_Menus
*/
public $nav_menus;
/**
* Methods and properties dealing with selective refresh in the Customizer preview.
*
* @since 4.5.0
* @var WP_Customize_Selective_Refresh
*/
public $selective_refresh;
/**
* Registered instances of WP_Customize_Setting.
*
* @since 3.4.0
* @var array
*/
protected $settings = array();
/**
* Sorted top-level instances of WP_Customize_Panel and WP_Customize_Section.
*
* @since 4.0.0
* @var array
*/
protected $containers = array();
/**
* Registered instances of WP_Customize_Panel.
*
* @since 4.0.0
* @var array
*/
protected $panels = array();
/**
* List of core components.
*
* @since 4.5.0
* @var array
*/
protected $components = array( 'widgets', 'nav_menus' );
/**
* Registered instances of WP_Customize_Section.
*
* @since 3.4.0
* @var array
*/
protected $sections = array();
/**
* Registered instances of WP_Customize_Control.
*
* @since 3.4.0
* @var array
*/
protected $controls = array();
/**
* Panel types that may be rendered from JS templates.
*
* @since 4.3.0
* @var array
*/
protected $registered_panel_types = array();
/**
* Section types that may be rendered from JS templates.
*
* @since 4.3.0
* @var array
*/
protected $registered_section_types = array();
/**
* Control types that may be rendered from JS templates.
*
* @since 4.1.0
* @var array
*/
protected $registered_control_types = array();
/**
* Initial URL being previewed.
*
* @since 4.4.0
* @var string
*/
protected $preview_url;
/**
* URL to link the user to when closing the Customizer.
*
* @since 4.4.0
* @var string
*/
protected $return_url;
/**
* Mapping of 'panel', 'section', 'control' to the ID which should be autofocused.
*
* @since 4.4.0
* @var array
*/
protected $autofocus = array();
/**
* Messenger channel.
*
* @since 4.7.0
* @var string
*/
protected $messenger_channel;
/**
* Whether settings should be previewed.
*
* @since 4.9.0
* @var bool
*/
protected $settings_previewed;
/**
* Unsanitized values for Customize Settings parsed from $_POST['customized'].
*
* @var array
*/
private $_post_values;
/**
* Changeset UUID.
*
* @since 4.7.0
* @var string
*/
private $_changeset_uuid;
/**
* Changeset post ID.
*
* @since 4.7.0
* @var int|false
*/
private $_changeset_post_id;
/**
* Changeset data loaded from a customize_changeset post.
*
* @since 4.7.0
* @var array
*/
private $_changeset_data;
/**
* Code Editor Settings for Custom CSS.
*
* This variable contains the settings returned by `wp_enqueue_code_editor()` which are then later output
* to the client in `WP_Customize_Manager::customize_pane_settings()`. A value of false means that the
* Custom CSS section or control was removed, or that the Syntax Highlighting user pref was turned off.
*
* @see wp_enqueue_code_editor()
* @see WP_Customize_Manager::enqueue_control_scripts()
* @see WP_Customize_Manager::customize_pane_settings()
* @since 4.9.0
* @var array|false
*/
private $_custom_css_code_editor_settings = false;
/**
* Constructor.
*
* @since 3.4.0
* @since 4.7.0 Added $args param.
*
* @param array $args {
* Args.
*
* @type string $changeset_uuid Changeset UUID, the post_name for the customize_changeset post containing the customized state. Defaults to new UUID.
* @type string $theme Theme to be previewed (for theme switch). Defaults to customize_theme or theme query params.
* @type string $messenger_channel Messenger channel. Defaults to customize_messenger_channel query param.
* @type bool $settings_previewed If settings should be previewed. Defaults to true.
* }
*/
public function __construct( $args = array() ) {
$args = array_merge(
array_fill_keys( array( 'changeset_uuid', 'theme', 'messenger_channel', 'settings_previewed' ), null ),
$args
);
// Note that the UUID format will be validated in the setup_theme() method.
if ( ! isset( $args['changeset_uuid'] ) ) {
$args['changeset_uuid'] = wp_generate_uuid4();
}
// The theme and messenger_channel should be supplied via $args, but they are also looked at in the $_REQUEST global here for back-compat.
if ( ! isset( $args['theme'] ) ) {
if ( isset( $_REQUEST['customize_theme'] ) ) {
$args['theme'] = wp_unslash( $_REQUEST['customize_theme'] );
} elseif ( isset( $_REQUEST['theme'] ) ) { // Deprecated.
$args['theme'] = wp_unslash( $_REQUEST['theme'] );
}
}
if ( ! isset( $args['messenger_channel'] ) && isset( $_REQUEST['customize_messenger_channel'] ) ) {
$args['messenger_channel'] = sanitize_key( wp_unslash( $_REQUEST['customize_messenger_channel'] ) );
}
if ( ! isset( $args['settings_previewed'] ) ) {
$args['settings_previewed'] = true;
}
$this->original_stylesheet = get_stylesheet();
$this->theme = wp_get_theme( $args['theme'] );
$this->messenger_channel = $args['messenger_channel'];
$this->settings_previewed = ! empty( $args['settings_previewed'] );
$this->_changeset_uuid = $args['changeset_uuid'];
require_once( ABSPATH . WPINC . '/class-wp-customize-setting.php' );
require_once( ABSPATH . WPINC . '/class-wp-customize-panel.php' );
require_once( ABSPATH . WPINC . '/class-wp-customize-section.php' );
require_once( ABSPATH . WPINC . '/class-wp-customize-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-color-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-media-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-upload-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-image-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-background-image-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-background-position-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-cropped-image-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-site-icon-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-header-image-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-theme-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-widget-area-customize-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-widget-form-customize-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-item-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-location-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-name-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-auto-add-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-new-menu-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menus-panel.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-themes-section.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-sidebar-section.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-section.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-new-menu-section.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-custom-css-setting.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-filter-setting.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-header-image-setting.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-background-image-setting.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-item-setting.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-setting.php' );
/**
* Filters the core Customizer components to load.
*
* This allows Core components to be excluded from being instantiated by
* filtering them out of the array. Note that this filter generally runs
* during the {@see 'plugins_loaded'} action, so it cannot be added
* in a theme.
*
* @since 4.4.0
*
* @see WP_Customize_Manager::__construct()
*
* @param array $components List of core components to load.
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
$components = apply_filters( 'customize_loaded_components', $this->components, $this );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-selective-refresh.php' );
$this->selective_refresh = new WP_Customize_Selective_Refresh( $this );
if ( in_array( 'widgets', $components, true ) ) {
require_once( ABSPATH . WPINC . '/class-wp-customize-widgets.php' );
$this->widgets = new WP_Customize_Widgets( $this );
}
if ( in_array( 'nav_menus', $components, true ) ) {
require_once( ABSPATH . WPINC . '/class-wp-customize-nav-menus.php' );
$this->nav_menus = new WP_Customize_Nav_Menus( $this );
}
add_action( 'setup_theme', array( $this, 'setup_theme' ) );
add_action( 'wp_loaded', array( $this, 'wp_loaded' ) );
// Do not spawn cron (especially the alternate cron) while running the Customizer.
remove_action( 'init', 'wp_cron' );
// Do not run update checks when rendering the controls.
remove_action( 'admin_init', '_maybe_update_core' );
remove_action( 'admin_init', '_maybe_update_plugins' );
remove_action( 'admin_init', '_maybe_update_themes' );
add_action( 'wp_ajax_customize_save', array( $this, 'save' ) );
add_action( 'wp_ajax_customize_refresh_nonces', array( $this, 'refresh_nonces' ) );
add_action( 'customize_register', array( $this, 'register_controls' ) );
add_action( 'customize_register', array( $this, 'register_dynamic_settings' ), 11 ); // allow code to create settings first
add_action( 'customize_controls_init', array( $this, 'prepare_controls' ) );
add_action( 'customize_controls_enqueue_scripts', array( $this, 'enqueue_control_scripts' ) );
// Render Common, Panel, Section, and Control templates.
add_action( 'customize_controls_print_footer_scripts', array( $this, 'render_panel_templates' ), 1 );
add_action( 'customize_controls_print_footer_scripts', array( $this, 'render_section_templates' ), 1 );
add_action( 'customize_controls_print_footer_scripts', array( $this, 'render_control_templates' ), 1 );
// Export header video settings with the partial response.
add_filter( 'customize_render_partials_response', array( $this, 'export_header_video_settings' ), 10, 3 );
// Export the settings to JS via the _wpCustomizeSettings variable.
add_action( 'customize_controls_print_footer_scripts', array( $this, 'customize_pane_settings' ), 1000 );
}
/**
* Return true if it's an Ajax request.
*
* @since 3.4.0
* @since 4.2.0 Added `$action` param.
*
* @param string|null $action Whether the supplied Ajax action is being run.
* @return bool True if it's an Ajax request, false otherwise.
*/
public function doing_ajax( $action = null ) {
if ( ! wp_doing_ajax() ) {
return false;
}
if ( ! $action ) {
return true;
} else {
/*
* Note: we can't just use doing_action( "wp_ajax_{$action}" ) because we need
* to check before admin-ajax.php gets to that point.
*/
return isset( $_REQUEST['action'] ) && wp_unslash( $_REQUEST['action'] ) === $action;
}
}
/**
* Custom wp_die wrapper. Returns either the standard message for UI
* or the Ajax message.
*
* @since 3.4.0
*
* @param mixed $ajax_message Ajax return
* @param mixed $message UI message
*/
protected function wp_die( $ajax_message, $message = null ) {
if ( $this->doing_ajax() ) {
wp_die( $ajax_message );
}
if ( ! $message ) {
$message = __( 'Cheatin&#8217; uh?' );
}
if ( $this->messenger_channel ) {
ob_start();
wp_enqueue_scripts();
wp_print_scripts( array( 'customize-base' ) );
$settings = array(
'messengerArgs' => array(
'channel' => $this->messenger_channel,
'url' => wp_customize_url(),
),
'error' => $ajax_message,
);
?>
<script>
( function( api, settings ) {
var preview = new api.Messenger( settings.messengerArgs );
preview.send( 'iframe-loading-error', settings.error );
} )( wp.customize, <?php echo wp_json_encode( $settings ) ?> );
</script>
<?php
$message .= ob_get_clean();
}
wp_die( $message );
}
/**
* Return the Ajax wp_die() handler if it's a customized request.
*
* @since 3.4.0
* @deprecated 4.7.0
*
* @return callable Die handler.
*/
public function wp_die_handler() {
_deprecated_function( __METHOD__, '4.7.0' );
if ( $this->doing_ajax() || isset( $_POST['customized'] ) ) {
return '_ajax_wp_die_handler';
}
return '_default_wp_die_handler';
}
/**
* Start preview and customize theme.
*
* Check if customize query variable exist. Init filters to filter the current theme.
*
* @since 3.4.0
*
* @global string $pagenow
*/
public function setup_theme() {
global $pagenow;
// Check permissions for customize.php access since this method is called before customize.php can run any code,
if ( 'customize.php' === $pagenow && ! current_user_can( 'customize' ) ) {
if ( ! is_user_logged_in() ) {
auth_redirect();
} else {
wp_die(
'<h1>' . __( 'Cheatin&#8217; uh?' ) . '</h1>' .
'<p>' . __( 'Sorry, you are not allowed to customize this site.' ) . '</p>',
403
);
}
return;
}
if ( ! wp_is_uuid( $this->_changeset_uuid ) ) {
$this->wp_die( -1, __( 'Invalid changeset UUID' ) );
}
/*
* Clear incoming post data if the user lacks a CSRF token (nonce). Note that the customizer
* application will inject the customize_preview_nonce query parameter into all Ajax requests.
* For similar behavior elsewhere in WordPress, see rest_cookie_check_errors() which logs out
* a user when a valid nonce isn't present.
*/
$has_post_data_nonce = (
check_ajax_referer( 'preview-customize_' . $this->get_stylesheet(), 'nonce', false )
||
check_ajax_referer( 'save-customize_' . $this->get_stylesheet(), 'nonce', false )
||
check_ajax_referer( 'preview-customize_' . $this->get_stylesheet(), 'customize_preview_nonce', false )
);
if ( ! current_user_can( 'customize' ) || ! $has_post_data_nonce ) {
unset( $_POST['customized'] );
unset( $_REQUEST['customized'] );
}
/*
* If unauthenticated then require a valid changeset UUID to load the preview.
* In this way, the UUID serves as a secret key. If the messenger channel is present,
* then send unauthenticated code to prompt re-auth.
*/
if ( ! current_user_can( 'customize' ) && ! $this->changeset_post_id() ) {
$this->wp_die( $this->messenger_channel ? 0 : -1, __( 'Non-existent changeset UUID.' ) );
}
if ( ! headers_sent() ) {
send_origin_headers();
}
// Hide the admin bar if we're embedded in the customizer iframe.
if ( $this->messenger_channel ) {
show_admin_bar( false );
}
if ( $this->is_theme_active() ) {
// Once the theme is loaded, we'll validate it.
add_action( 'after_setup_theme', array( $this, 'after_setup_theme' ) );
} else {
// If the requested theme is not the active theme and the user doesn't have the
// switch_themes cap, bail.
if ( ! current_user_can( 'switch_themes' ) ) {
$this->wp_die( -1, __( 'Sorry, you are not allowed to edit theme options on this site.' ) );
}
// If the theme has errors while loading, bail.
if ( $this->theme()->errors() ) {
$this->wp_die( -1, $this->theme()->errors()->get_error_message() );
}
// If the theme isn't allowed per multisite settings, bail.
if ( ! $this->theme()->is_allowed() ) {
$this->wp_die( -1, __( 'The requested theme does not exist.' ) );
}
}
/*
* Import theme starter content for fresh installations when landing in the customizer.
* Import starter content at after_setup_theme:100 so that any
* add_theme_support( 'starter-content' ) calls will have been made.
*/
if ( get_option( 'fresh_site' ) && 'customize.php' === $pagenow ) {
add_action( 'after_setup_theme', array( $this, 'import_theme_starter_content' ), 100 );
}
$this->start_previewing_theme();
}
/**
* Callback to validate a theme once it is loaded
*
* @since 3.4.0
*/
public function after_setup_theme() {
$doing_ajax_or_is_customized = ( $this->doing_ajax() || isset( $_POST['customized'] ) );
if ( ! $doing_ajax_or_is_customized && ! validate_current_theme() ) {
wp_redirect( 'themes.php?broken=true' );
exit;
}
}
/**
* If the theme to be previewed isn't the active theme, add filter callbacks
* to swap it out at runtime.
*
* @since 3.4.0
*/
public function start_previewing_theme() {
// Bail if we're already previewing.
if ( $this->is_preview() ) {
return;
}
$this->previewing = true;
if ( ! $this->is_theme_active() ) {
add_filter( 'template', array( $this, 'get_template' ) );
add_filter( 'stylesheet', array( $this, 'get_stylesheet' ) );
add_filter( 'pre_option_current_theme', array( $this, 'current_theme' ) );
// @link: https://core.trac.wordpress.org/ticket/20027
add_filter( 'pre_option_stylesheet', array( $this, 'get_stylesheet' ) );
add_filter( 'pre_option_template', array( $this, 'get_template' ) );
// Handle custom theme roots.
add_filter( 'pre_option_stylesheet_root', array( $this, 'get_stylesheet_root' ) );
add_filter( 'pre_option_template_root', array( $this, 'get_template_root' ) );
}
/**
* Fires once the Customizer theme preview has started.
*
* @since 3.4.0
*
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
do_action( 'start_previewing_theme', $this );
}
/**
* Stop previewing the selected theme.
*
* Removes filters to change the current theme.
*
* @since 3.4.0
*/
public function stop_previewing_theme() {
if ( ! $this->is_preview() ) {
return;
}
$this->previewing = false;
if ( ! $this->is_theme_active() ) {
remove_filter( 'template', array( $this, 'get_template' ) );
remove_filter( 'stylesheet', array( $this, 'get_stylesheet' ) );
remove_filter( 'pre_option_current_theme', array( $this, 'current_theme' ) );
// @link: https://core.trac.wordpress.org/ticket/20027
remove_filter( 'pre_option_stylesheet', array( $this, 'get_stylesheet' ) );
remove_filter( 'pre_option_template', array( $this, 'get_template' ) );
// Handle custom theme roots.
remove_filter( 'pre_option_stylesheet_root', array( $this, 'get_stylesheet_root' ) );
remove_filter( 'pre_option_template_root', array( $this, 'get_template_root' ) );
}
/**
* Fires once the Customizer theme preview has stopped.
*
* @since 3.4.0
*
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
do_action( 'stop_previewing_theme', $this );
}
/**
* Gets whether settings are or will be previewed.
*
* @since 4.9.0
* @see WP_Customize_Setting::preview()
*
* @return bool
*/
public function settings_previewed() {
return $this->settings_previewed;
}
/**
* Get the changeset UUID.
*
* @since 4.7.0
*
* @return string UUID.
*/
public function changeset_uuid() {
return $this->_changeset_uuid;
}
/**
* Get the theme being customized.
*
* @since 3.4.0
*
* @return WP_Theme
*/
public function theme() {
if ( ! $this->theme ) {
$this->theme = wp_get_theme();
}
return $this->theme;
}
/**
* Get the registered settings.
*
* @since 3.4.0
*
* @return array
*/
public function settings() {
return $this->settings;
}
/**
* Get the registered controls.
*
* @since 3.4.0
*
* @return array
*/
public function controls() {
return $this->controls;
}
/**
* Get the registered containers.
*
* @since 4.0.0
*
* @return array
*/
public function containers() {
return $this->containers;
}
/**
* Get the registered sections.
*
* @since 3.4.0
*
* @return array
*/
public function sections() {
return $this->sections;
}
/**
* Get the registered panels.
*
* @since 4.0.0
*
* @return array Panels.
*/
public function panels() {
return $this->panels;
}
/**
* Checks if the current theme is active.
*
* @since 3.4.0
*
* @return bool
*/
public function is_theme_active() {
return $this->get_stylesheet() == $this->original_stylesheet;
}
/**
* Register styles/scripts and initialize the preview of each setting
*
* @since 3.4.0
*/
public function wp_loaded() {
/**
* Fires once WordPress has loaded, allowing scripts and styles to be initialized.
*
* @since 3.4.0
*
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
do_action( 'customize_register', $this );
if ( $this->settings_previewed() ) {
foreach ( $this->settings as $setting ) {
$setting->preview();
}
}
if ( $this->is_preview() && ! is_admin() ) {
$this->customize_preview_init();
}
}
/**
* Prevents Ajax requests from following redirects when previewing a theme
* by issuing a 200 response instead of a 30x.
*
* Instead, the JS will sniff out the location header.
*
* @since 3.4.0
* @deprecated 4.7.0
*
* @param int $status Status.
* @return int
*/
public function wp_redirect_status( $status ) {
_deprecated_function( __FUNCTION__, '4.7.0' );
if ( $this->is_preview() && ! is_admin() ) {
return 200;
}
return $status;
}
/**
* Find the changeset post ID for a given changeset UUID.
*
* @since 4.7.0
*
* @param string $uuid Changeset UUID.
* @return int|null Returns post ID on success and null on failure.
*/
public function find_changeset_post_id( $uuid ) {
$cache_group = 'customize_changeset_post';
$changeset_post_id = wp_cache_get( $uuid, $cache_group );
if ( $changeset_post_id && 'customize_changeset' === get_post_type( $changeset_post_id ) ) {
return $changeset_post_id;
}
$changeset_post_query = new WP_Query( array(
'post_type' => 'customize_changeset',
'post_status' => get_post_stati(),
'name' => $uuid,
'posts_per_page' => 1,
'no_found_rows' => true,
'cache_results' => true,
'update_post_meta_cache' => false,
'update_post_term_cache' => false,
'lazy_load_term_meta' => false,
) );
if ( ! empty( $changeset_post_query->posts ) ) {
// Note: 'fields'=>'ids' is not being used in order to cache the post object as it will be needed.
$changeset_post_id = $changeset_post_query->posts[0]->ID;
wp_cache_set( $uuid, $changeset_post_id, $cache_group );
return $changeset_post_id;
}
return null;
}
/**
* Get the changeset post id for the loaded changeset.
*
* @since 4.7.0
*
* @return int|null Post ID on success or null if there is no post yet saved.
*/
public function changeset_post_id() {
if ( ! isset( $this->_changeset_post_id ) ) {
$post_id = $this->find_changeset_post_id( $this->_changeset_uuid );
if ( ! $post_id ) {
$post_id = false;
}
$this->_changeset_post_id = $post_id;
}
if ( false === $this->_changeset_post_id ) {
return null;
}
return $this->_changeset_post_id;
}
/**
* Get the data stored in a changeset post.
*
* @since 4.7.0
*
* @param int $post_id Changeset post ID.
* @return array|WP_Error Changeset data or WP_Error on error.
*/
protected function get_changeset_post_data( $post_id ) {
if ( ! $post_id ) {
return new WP_Error( 'empty_post_id' );
}
$changeset_post = get_post( $post_id );
if ( ! $changeset_post ) {
return new WP_Error( 'missing_post' );
}
if ( 'customize_changeset' !== $changeset_post->post_type ) {
return new WP_Error( 'wrong_post_type' );
}
$changeset_data = json_decode( $changeset_post->post_content, true );
if ( function_exists( 'json_last_error' ) && json_last_error() ) {
return new WP_Error( 'json_parse_error', '', json_last_error() );
}
if ( ! is_array( $changeset_data ) ) {
return new WP_Error( 'expected_array' );
}
return $changeset_data;
}
/**
* Get changeset data.
*
* @since 4.7.0
*
* @return array Changeset data.
*/
public function changeset_data() {
if ( isset( $this->_changeset_data ) ) {
return $this->_changeset_data;
}
$changeset_post_id = $this->changeset_post_id();
if ( ! $changeset_post_id ) {
$this->_changeset_data = array();
} else {
$data = $this->get_changeset_post_data( $changeset_post_id );
if ( ! is_wp_error( $data ) ) {
$this->_changeset_data = $data;
} else {
$this->_changeset_data = array();
}
}
return $this->_changeset_data;
}
/**
* Starter content setting IDs.
*
* @since 4.7.0
* @var array
*/
protected $pending_starter_content_settings_ids = array();
/**
* Import theme starter content into the customized state.
*
* @since 4.7.0
*
* @param array $starter_content Starter content. Defaults to `get_theme_starter_content()`.
*/
function import_theme_starter_content( $starter_content = array() ) {
if ( empty( $starter_content ) ) {
$starter_content = get_theme_starter_content();
}
$changeset_data = array();
if ( $this->changeset_post_id() ) {
$changeset_data = $this->get_changeset_post_data( $this->changeset_post_id() );
}
$sidebars_widgets = isset( $starter_content['widgets'] ) && ! empty( $this->widgets ) ? $starter_content['widgets'] : array();
$attachments = isset( $starter_content['attachments'] ) && ! empty( $this->nav_menus ) ? $starter_content['attachments'] : array();
$posts = isset( $starter_content['posts'] ) && ! empty( $this->nav_menus ) ? $starter_content['posts'] : array();
$options = isset( $starter_content['options'] ) ? $starter_content['options'] : array();
$nav_menus = isset( $starter_content['nav_menus'] ) && ! empty( $this->nav_menus ) ? $starter_content['nav_menus'] : array();
$theme_mods = isset( $starter_content['theme_mods'] ) ? $starter_content['theme_mods'] : array();
// Widgets.
$max_widget_numbers = array();
foreach ( $sidebars_widgets as $sidebar_id => $widgets ) {
$sidebar_widget_ids = array();
foreach ( $widgets as $widget ) {
list( $id_base, $instance ) = $widget;
if ( ! isset( $max_widget_numbers[ $id_base ] ) ) {
// When $settings is an array-like object, get an intrinsic array for use with array_keys().
$settings = get_option( "widget_{$id_base}", array() );
if ( $settings instanceof ArrayObject || $settings instanceof ArrayIterator ) {
$settings = $settings->getArrayCopy();
}
// Find the max widget number for this type.
$widget_numbers = array_keys( $settings );
if ( count( $widget_numbers ) > 0 ) {
$widget_numbers[] = 1;
$max_widget_numbers[ $id_base ] = call_user_func_array( 'max', $widget_numbers );
} else {
$max_widget_numbers[ $id_base ] = 1;
}
}
$max_widget_numbers[ $id_base ] += 1;
$widget_id = sprintf( '%s-%d', $id_base, $max_widget_numbers[ $id_base ] );
$setting_id = sprintf( 'widget_%s[%d]', $id_base, $max_widget_numbers[ $id_base ] );
$setting_value = $this->widgets->sanitize_widget_js_instance( $instance );
if ( empty( $changeset_data[ $setting_id ] ) || ! empty( $changeset_data[ $setting_id ]['starter_content'] ) ) {
$this->set_post_value( $setting_id, $setting_value );
$this->pending_starter_content_settings_ids[] = $setting_id;
}
$sidebar_widget_ids[] = $widget_id;
}
$setting_id = sprintf( 'sidebars_widgets[%s]', $sidebar_id );
if ( empty( $changeset_data[ $setting_id ] ) || ! empty( $changeset_data[ $setting_id ]['starter_content'] ) ) {
$this->set_post_value( $setting_id, $sidebar_widget_ids );
$this->pending_starter_content_settings_ids[] = $setting_id;
}
}
$starter_content_auto_draft_post_ids = array();
if ( ! empty( $changeset_data['nav_menus_created_posts']['value'] ) ) {
$starter_content_auto_draft_post_ids = array_merge( $starter_content_auto_draft_post_ids, $changeset_data['nav_menus_created_posts']['value'] );
}
// Make an index of all the posts needed and what their slugs are.
$needed_posts = array();
$attachments = $this->prepare_starter_content_attachments( $attachments );
foreach ( $attachments as $attachment ) {
$key = 'attachment:' . $attachment['post_name'];
$needed_posts[ $key ] = true;
}
foreach ( array_keys( $posts ) as $post_symbol ) {
if ( empty( $posts[ $post_symbol ]['post_name'] ) && empty( $posts[ $post_symbol ]['post_title'] ) ) {
unset( $posts[ $post_symbol ] );
continue;
}
if ( empty( $posts[ $post_symbol ]['post_name'] ) ) {
$posts[ $post_symbol ]['post_name'] = sanitize_title( $posts[ $post_symbol ]['post_title'] );
}
if ( empty( $posts[ $post_symbol ]['post_type'] ) ) {
$posts[ $post_symbol ]['post_type'] = 'post';
}
$needed_posts[ $posts[ $post_symbol ]['post_type'] . ':' . $posts[ $post_symbol ]['post_name'] ] = true;
}
$all_post_slugs = array_merge(
wp_list_pluck( $attachments, 'post_name' ),
wp_list_pluck( $posts, 'post_name' )
);
/*
* Obtain all post types referenced in starter content to use in query.
* This is needed because 'any' will not account for post types not yet registered.
*/
$post_types = array_filter( array_merge( array( 'attachment' ), wp_list_pluck( $posts, 'post_type' ) ) );
// Re-use auto-draft starter content posts referenced in the current customized state.
$existing_starter_content_posts = array();
if ( ! empty( $starter_content_auto_draft_post_ids ) ) {
$existing_posts_query = new WP_Query( array(
'post__in' => $starter_content_auto_draft_post_ids,
'post_status' => 'auto-draft',
'post_type' => $post_types,
'posts_per_page' => -1,
) );
foreach ( $existing_posts_query->posts as $existing_post ) {
$post_name = $existing_post->post_name;
if ( empty( $post_name ) ) {
$post_name = get_post_meta( $existing_post->ID, '_customize_draft_post_name', true );
}
$existing_starter_content_posts[ $existing_post->post_type . ':' . $post_name ] = $existing_post;
}
}
// Re-use non-auto-draft posts.
if ( ! empty( $all_post_slugs ) ) {
$existing_posts_query = new WP_Query( array(
'post_name__in' => $all_post_slugs,
'post_status' => array_diff( get_post_stati(), array( 'auto-draft' ) ),
'post_type' => 'any',
'posts_per_page' => -1,
) );
foreach ( $existing_posts_query->posts as $existing_post ) {
$key = $existing_post->post_type . ':' . $existing_post->post_name;
if ( isset( $needed_posts[ $key ] ) && ! isset( $existing_starter_content_posts[ $key ] ) ) {
$existing_starter_content_posts[ $key ] = $existing_post;
}
}
}
// Attachments are technically posts but handled differently.
if ( ! empty( $attachments ) ) {
$attachment_ids = array();
foreach ( $attachments as $symbol => $attachment ) {
$file_array = array(
'name' => $attachment['file_name'],
);
$file_path = $attachment['file_path'];
$attachment_id = null;
$attached_file = null;
if ( isset( $existing_starter_content_posts[ 'attachment:' . $attachment['post_name'] ] ) ) {
$attachment_post = $existing_starter_content_posts[ 'attachment:' . $attachment['post_name'] ];
$attachment_id = $attachment_post->ID;
$attached_file = get_attached_file( $attachment_id );
if ( empty( $attached_file ) || ! file_exists( $attached_file ) ) {
$attachment_id = null;
$attached_file = null;
} elseif ( $this->get_stylesheet() !== get_post_meta( $attachment_post->ID, '_starter_content_theme', true ) ) {
// Re-generate attachment metadata since it was previously generated for a different theme.
$metadata = wp_generate_attachment_metadata( $attachment_post->ID, $attached_file );
wp_update_attachment_metadata( $attachment_id, $metadata );
update_post_meta( $attachment_id, '_starter_content_theme', $this->get_stylesheet() );
}
}
// Insert the attachment auto-draft because it doesn't yet exist or the attached file is gone.
if ( ! $attachment_id ) {
// Copy file to temp location so that original file won't get deleted from theme after sideloading.
$temp_file_name = wp_tempnam( basename( $file_path ) );
if ( $temp_file_name && copy( $file_path, $temp_file_name ) ) {
$file_array['tmp_name'] = $temp_file_name;
}
if ( empty( $file_array['tmp_name'] ) ) {
continue;
}
$attachment_post_data = array_merge(
wp_array_slice_assoc( $attachment, array( 'post_title', 'post_content', 'post_excerpt' ) ),
array(
'post_status' => 'auto-draft', // So attachment will be garbage collected in a week if changeset is never published.
)
);
// In PHP < 5.6 filesize() returns 0 for the temp files unless we clear the file status cache.
// Technically, PHP < 5.6.0 || < 5.5.13 || < 5.4.29 but no need to be so targeted.
// See https://bugs.php.net/bug.php?id=65701
if ( version_compare( PHP_VERSION, '5.6', '<' ) ) {
clearstatcache();
}
$attachment_id = media_handle_sideload( $file_array, 0, null, $attachment_post_data );
if ( is_wp_error( $attachment_id ) ) {
continue;
}
update_post_meta( $attachment_id, '_starter_content_theme', $this->get_stylesheet() );
update_post_meta( $attachment_id, '_customize_draft_post_name', $attachment['post_name'] );
}
$attachment_ids[ $symbol ] = $attachment_id;
}
$starter_content_auto_draft_post_ids = array_merge( $starter_content_auto_draft_post_ids, array_values( $attachment_ids ) );
}
// Posts & pages.
if ( ! empty( $posts ) ) {
foreach ( array_keys( $posts ) as $post_symbol ) {
if ( empty( $posts[ $post_symbol ]['post_type'] ) || empty( $posts[ $post_symbol ]['post_name'] ) ) {
continue;
}
$post_type = $posts[ $post_symbol ]['post_type'];
if ( ! empty( $posts[ $post_symbol ]['post_name'] ) ) {
$post_name = $posts[ $post_symbol ]['post_name'];
} elseif ( ! empty( $posts[ $post_symbol ]['post_title'] ) ) {
$post_name = sanitize_title( $posts[ $post_symbol ]['post_title'] );
} else {
continue;
}
// Use existing auto-draft post if one already exists with the same type and name.
if ( isset( $existing_starter_content_posts[ $post_type . ':' . $post_name ] ) ) {
$posts[ $post_symbol ]['ID'] = $existing_starter_content_posts[ $post_type . ':' . $post_name ]->ID;
continue;
}
// Translate the featured image symbol.
if ( ! empty( $posts[ $post_symbol ]['thumbnail'] )
&& preg_match( '/^{{(?P<symbol>.+)}}$/', $posts[ $post_symbol ]['thumbnail'], $matches )
&& isset( $attachment_ids[ $matches['symbol'] ] ) ) {
$posts[ $post_symbol ]['meta_input']['_thumbnail_id'] = $attachment_ids[ $matches['symbol'] ];
}
if ( ! empty( $posts[ $post_symbol ]['template'] ) ) {
$posts[ $post_symbol ]['meta_input']['_wp_page_template'] = $posts[ $post_symbol ]['template'];
}
$r = $this->nav_menus->insert_auto_draft_post( $posts[ $post_symbol ] );
if ( $r instanceof WP_Post ) {
$posts[ $post_symbol ]['ID'] = $r->ID;
}
}
$starter_content_auto_draft_post_ids = array_merge( $starter_content_auto_draft_post_ids, wp_list_pluck( $posts, 'ID' ) );
}
// The nav_menus_created_posts setting is why nav_menus component is dependency for adding posts.
if ( ! empty( $this->nav_menus ) && ! empty( $starter_content_auto_draft_post_ids ) ) {
$setting_id = 'nav_menus_created_posts';
$this->set_post_value( $setting_id, array_unique( array_values( $starter_content_auto_draft_post_ids ) ) );
$this->pending_starter_content_settings_ids[] = $setting_id;
}
// Nav menus.
$placeholder_id = -1;
$reused_nav_menu_setting_ids = array();
foreach ( $nav_menus as $nav_menu_location => $nav_menu ) {
$nav_menu_term_id = null;
$nav_menu_setting_id = null;
$matches = array();
// Look for an existing placeholder menu with starter content to re-use.
foreach ( $changeset_data as $setting_id => $setting_params ) {
$can_reuse = (
! empty( $setting_params['starter_content'] )
&&
! in_array( $setting_id, $reused_nav_menu_setting_ids, true )
&&
preg_match( '#^nav_menu\[(?P<nav_menu_id>-?\d+)\]$#', $setting_id, $matches )
);
if ( $can_reuse ) {
$nav_menu_term_id = intval( $matches['nav_menu_id'] );
$nav_menu_setting_id = $setting_id;
$reused_nav_menu_setting_ids[] = $setting_id;
break;
}
}
if ( ! $nav_menu_term_id ) {
while ( isset( $changeset_data[ sprintf( 'nav_menu[%d]', $placeholder_id ) ] ) ) {
$placeholder_id--;
}
$nav_menu_term_id = $placeholder_id;
$nav_menu_setting_id = sprintf( 'nav_menu[%d]', $placeholder_id );
}
$this->set_post_value( $nav_menu_setting_id, array(
'name' => isset( $nav_menu['name'] ) ? $nav_menu['name'] : $nav_menu_location,
) );
$this->pending_starter_content_settings_ids[] = $nav_menu_setting_id;
// @todo Add support for menu_item_parent.
$position = 0;
foreach ( $nav_menu['items'] as $nav_menu_item ) {
$nav_menu_item_setting_id = sprintf( 'nav_menu_item[%d]', $placeholder_id-- );
if ( ! isset( $nav_menu_item['position'] ) ) {
$nav_menu_item['position'] = $position++;
}
$nav_menu_item['nav_menu_term_id'] = $nav_menu_term_id;
if ( isset( $nav_menu_item['object_id'] ) ) {
if ( 'post_type' === $nav_menu_item['type'] && preg_match( '/^{{(?P<symbol>.+)}}$/', $nav_menu_item['object_id'], $matches ) && isset( $posts[ $matches['symbol'] ] ) ) {
$nav_menu_item['object_id'] = $posts[ $matches['symbol'] ]['ID'];
if ( empty( $nav_menu_item['title'] ) ) {
$original_object = get_post( $nav_menu_item['object_id'] );
$nav_menu_item['title'] = $original_object->post_title;
}
} else {
continue;
}
} else {
$nav_menu_item['object_id'] = 0;
}
if ( empty( $changeset_data[ $nav_menu_item_setting_id ] ) || ! empty( $changeset_data[ $nav_menu_item_setting_id ]['starter_content'] ) ) {
$this->set_post_value( $nav_menu_item_setting_id, $nav_menu_item );
$this->pending_starter_content_settings_ids[] = $nav_menu_item_setting_id;
}
}
$setting_id = sprintf( 'nav_menu_locations[%s]', $nav_menu_location );
if ( empty( $changeset_data[ $setting_id ] ) || ! empty( $changeset_data[ $setting_id ]['starter_content'] ) ) {
$this->set_post_value( $setting_id, $nav_menu_term_id );
$this->pending_starter_content_settings_ids[] = $setting_id;
}
}
// Options.
foreach ( $options as $name => $value ) {
if ( preg_match( '/^{{(?P<symbol>.+)}}$/', $value, $matches ) ) {
if ( isset( $posts[ $matches['symbol'] ] ) ) {
$value = $posts[ $matches['symbol'] ]['ID'];
} elseif ( isset( $attachment_ids[ $matches['symbol'] ] ) ) {
$value = $attachment_ids[ $matches['symbol'] ];
} else {
continue;
}
}
if ( empty( $changeset_data[ $name ] ) || ! empty( $changeset_data[ $name ]['starter_content'] ) ) {
$this->set_post_value( $name, $value );
$this->pending_starter_content_settings_ids[] = $name;
}
}
// Theme mods.
foreach ( $theme_mods as $name => $value ) {
if ( preg_match( '/^{{(?P<symbol>.+)}}$/', $value, $matches ) ) {
if ( isset( $posts[ $matches['symbol'] ] ) ) {
$value = $posts[ $matches['symbol'] ]['ID'];
} elseif ( isset( $attachment_ids[ $matches['symbol'] ] ) ) {
$value = $attachment_ids[ $matches['symbol'] ];
} else {
continue;
}
}
// Handle header image as special case since setting has a legacy format.
if ( 'header_image' === $name ) {
$name = 'header_image_data';
$metadata = wp_get_attachment_metadata( $value );
if ( empty( $metadata ) ) {
continue;
}
$value = array(
'attachment_id' => $value,
'url' => wp_get_attachment_url( $value ),
'height' => $metadata['height'],
'width' => $metadata['width'],
);
} elseif ( 'background_image' === $name ) {
$value = wp_get_attachment_url( $value );
}
if ( empty( $changeset_data[ $name ] ) || ! empty( $changeset_data[ $name ]['starter_content'] ) ) {
$this->set_post_value( $name, $value );
$this->pending_starter_content_settings_ids[] = $name;
}
}
if ( ! empty( $this->pending_starter_content_settings_ids ) ) {
if ( did_action( 'customize_register' ) ) {
$this->_save_starter_content_changeset();
} else {
add_action( 'customize_register', array( $this, '_save_starter_content_changeset' ), 1000 );
}
}
}
/**
* Prepare starter content attachments.
*
* Ensure that the attachments are valid and that they have slugs and file name/path.
*
* @since 4.7.0
*
* @param array $attachments Attachments.
* @return array Prepared attachments.
*/
protected function prepare_starter_content_attachments( $attachments ) {
$prepared_attachments = array();
if ( empty( $attachments ) ) {
return $prepared_attachments;
}
// Such is The WordPress Way.
require_once( ABSPATH . 'wp-admin/includes/file.php' );
require_once( ABSPATH . 'wp-admin/includes/media.php' );
require_once( ABSPATH . 'wp-admin/includes/image.php' );
foreach ( $attachments as $symbol => $attachment ) {
// A file is required and URLs to files are not currently allowed.
if ( empty( $attachment['file'] ) || preg_match( '#^https?://$#', $attachment['file'] ) ) {
continue;
}
$file_path = null;
if ( file_exists( $attachment['file'] ) ) {
$file_path = $attachment['file']; // Could be absolute path to file in plugin.
} elseif ( is_child_theme() && file_exists( get_stylesheet_directory() . '/' . $attachment['file'] ) ) {
$file_path = get_stylesheet_directory() . '/' . $attachment['file'];
} elseif ( file_exists( get_template_directory() . '/' . $attachment['file'] ) ) {
$file_path = get_template_directory() . '/' . $attachment['file'];
} else {
continue;
}
$file_name = basename( $attachment['file'] );
// Skip file types that are not recognized.
$checked_filetype = wp_check_filetype( $file_name );
if ( empty( $checked_filetype['type'] ) ) {
continue;
}
// Ensure post_name is set since not automatically derived from post_title for new auto-draft posts.
if ( empty( $attachment['post_name'] ) ) {
if ( ! empty( $attachment['post_title'] ) ) {
$attachment['post_name'] = sanitize_title( $attachment['post_title'] );
} else {
$attachment['post_name'] = sanitize_title( preg_replace( '/\.\w+$/', '', $file_name ) );
}
}
$attachment['file_name'] = $file_name;
$attachment['file_path'] = $file_path;
$prepared_attachments[ $symbol ] = $attachment;
}
return $prepared_attachments;
}
/**
* Save starter content changeset.
*
* @since 4.7.0
*/
public function _save_starter_content_changeset() {
if ( empty( $this->pending_starter_content_settings_ids ) ) {
return;
}
$this->save_changeset_post( array(
'data' => array_fill_keys( $this->pending_starter_content_settings_ids, array( 'starter_content' => true ) ),
'starter_content' => true,
) );
$this->pending_starter_content_settings_ids = array();
}
/**
* Get dirty pre-sanitized setting values in the current customized state.
*
* The returned array consists of a merge of three sources:
* 1. If the theme is not currently active, then the base array is any stashed
* theme mods that were modified previously but never published.
* 2. The values from the current changeset, if it exists.
* 3. If the user can customize, the values parsed from the incoming
* `$_POST['customized']` JSON data.
* 4. Any programmatically-set post values via `WP_Customize_Manager::set_post_value()`.
*
* The name "unsanitized_post_values" is a carry-over from when the customized
* state was exclusively sourced from `$_POST['customized']`. Nevertheless,
* the value returned will come from the current changeset post and from the
* incoming post data.
*
* @since 4.1.1
* @since 4.7.0 Added $args param and merging with changeset values and stashed theme mods.
*
* @param array $args {
* Args.
*
* @type bool $exclude_changeset Whether the changeset values should also be excluded. Defaults to false.
* @type bool $exclude_post_data Whether the post input values should also be excluded. Defaults to false when lacking the customize capability.
* }
* @return array
*/
public function unsanitized_post_values( $args = array() ) {
$args = array_merge(
array(
'exclude_changeset' => false,
'exclude_post_data' => ! current_user_can( 'customize' ),
),
$args
);
$values = array();
// Let default values be from the stashed theme mods if doing a theme switch and if no changeset is present.
if ( ! $this->is_theme_active() ) {
$stashed_theme_mods = get_option( 'customize_stashed_theme_mods' );
$stylesheet = $this->get_stylesheet();
if ( isset( $stashed_theme_mods[ $stylesheet ] ) ) {
$values = array_merge( $values, wp_list_pluck( $stashed_theme_mods[ $stylesheet ], 'value' ) );
}
}
if ( ! $args['exclude_changeset'] ) {
foreach ( $this->changeset_data() as $setting_id => $setting_params ) {
if ( ! array_key_exists( 'value', $setting_params ) ) {
continue;
}
if ( isset( $setting_params['type'] ) && 'theme_mod' === $setting_params['type'] ) {
// Ensure that theme mods values are only used if they were saved under the current theme.
$namespace_pattern = '/^(?P<stylesheet>.+?)::(?P<setting_id>.+)$/';
if ( preg_match( $namespace_pattern, $setting_id, $matches ) && $this->get_stylesheet() === $matches['stylesheet'] ) {
$values[ $matches['setting_id'] ] = $setting_params['value'];
}
} else {
$values[ $setting_id ] = $setting_params['value'];
}
}
}
if ( ! $args['exclude_post_data'] ) {
if ( ! isset( $this->_post_values ) ) {
if ( isset( $_POST['customized'] ) ) {
$post_values = json_decode( wp_unslash( $_POST['customized'] ), true );
} else {
$post_values = array();
}
if ( is_array( $post_values ) ) {
$this->_post_values = $post_values;
} else {
$this->_post_values = array();
}
}
$values = array_merge( $values, $this->_post_values );
}
return $values;
}
/**
* Returns the sanitized value for a given setting from the current customized state.
*
* The name "post_value" is a carry-over from when the customized state was exclusively
* sourced from `$_POST['customized']`. Nevertheless, the value returned will come
* from the current changeset post and from the incoming post data.
*
* @since 3.4.0
* @since 4.1.1 Introduced the `$default` parameter.
* @since 4.6.0 `$default` is now returned early when the setting post value is invalid.
*
* @see WP_REST_Server::dispatch()
* @see WP_Rest_Request::sanitize_params()
* @see WP_Rest_Request::has_valid_params()
*
* @param WP_Customize_Setting $setting A WP_Customize_Setting derived object.
* @param mixed $default Value returned $setting has no post value (added in 4.2.0)
* or the post value is invalid (added in 4.6.0).
* @return string|mixed $post_value Sanitized value or the $default provided.
*/
public function post_value( $setting, $default = null ) {
$post_values = $this->unsanitized_post_values();
if ( ! array_key_exists( $setting->id, $post_values ) ) {
return $default;
}
$value = $post_values[ $setting->id ];
$valid = $setting->validate( $value );
if ( is_wp_error( $valid ) ) {
return $default;
}
$value = $setting->sanitize( $value );
if ( is_null( $value ) || is_wp_error( $value ) ) {
return $default;
}
return $value;
}
/**
* Override a setting's value in the current customized state.
*
* The name "post_value" is a carry-over from when the customized state was
* exclusively sourced from `$_POST['customized']`.
*
* @since 4.2.0
*
* @param string $setting_id ID for the WP_Customize_Setting instance.
* @param mixed $value Post value.
*/
public function set_post_value( $setting_id, $value ) {
$this->unsanitized_post_values(); // Populate _post_values from $_POST['customized'].
$this->_post_values[ $setting_id ] = $value;
/**
* Announce when a specific setting's unsanitized post value has been set.
*
* Fires when the WP_Customize_Manager::set_post_value() method is called.
*
* The dynamic portion of the hook name, `$setting_id`, refers to the setting ID.
*
* @since 4.4.0
*
* @param mixed $value Unsanitized setting post value.
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
do_action( "customize_post_value_set_{$setting_id}", $value, $this );
/**
* Announce when any setting's unsanitized post value has been set.
*
* Fires when the WP_Customize_Manager::set_post_value() method is called.
*
* This is useful for `WP_Customize_Setting` instances to watch
* in order to update a cached previewed value.
*
* @since 4.4.0
*
* @param string $setting_id Setting ID.
* @param mixed $value Unsanitized setting post value.
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
do_action( 'customize_post_value_set', $setting_id, $value, $this );
}
/**
* Print JavaScript settings.
*
* @since 3.4.0
*/
public function customize_preview_init() {
/*
* Now that Customizer previews are loaded into iframes via GET requests
* and natural URLs with transaction UUIDs added, we need to ensure that
* the responses are never cached by proxies. In practice, this will not
* be needed if the user is logged-in anyway. But if anonymous access is
* allowed then the auth cookies would not be sent and WordPress would
* not send no-cache headers by default.
*/
if ( ! headers_sent() ) {
nocache_headers();
header( 'X-Robots: noindex, nofollow, noarchive' );
}
add_action( 'wp_head', 'wp_no_robots' );
add_filter( 'wp_headers', array( $this, 'filter_iframe_security_headers' ) );
/*
* If preview is being served inside the customizer preview iframe, and
* if the user doesn't have customize capability, then it is assumed
* that the user's session has expired and they need to re-authenticate.
*/
if ( $this->messenger_channel && ! current_user_can( 'customize' ) ) {
$this->wp_die( -1, __( 'Unauthorized. You may remove the customize_messenger_channel param to preview as frontend.' ) );
return;
}
$this->prepare_controls();
add_filter( 'wp_redirect', array( $this, 'add_state_query_params' ) );
wp_enqueue_script( 'customize-preview' );
wp_enqueue_style( 'customize-preview' );
add_action( 'wp_head', array( $this, 'customize_preview_loading_style' ) );
add_action( 'wp_head', array( $this, 'remove_frameless_preview_messenger_channel' ) );
add_action( 'wp_footer', array( $this, 'customize_preview_settings' ), 20 );
add_filter( 'get_edit_post_link', '__return_empty_string' );
/**
* Fires once the Customizer preview has initialized and JavaScript
* settings have been printed.
*
* @since 3.4.0
*
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
do_action( 'customize_preview_init', $this );
}
/**
* Filter the X-Frame-Options and Content-Security-Policy headers to ensure frontend can load in customizer.
*
* @since 4.7.0
*
* @param array $headers Headers.
* @return array Headers.
*/
public function filter_iframe_security_headers( $headers ) {
$customize_url = admin_url( 'customize.php' );
$headers['X-Frame-Options'] = 'ALLOW-FROM ' . $customize_url;
$headers['Content-Security-Policy'] = 'frame-ancestors ' . preg_replace( '#^(\w+://[^/]+).+?$#', '$1', $customize_url );
return $headers;
}
/**
* Add customize state query params to a given URL if preview is allowed.
*
* @since 4.7.0
* @see wp_redirect()
* @see WP_Customize_Manager::get_allowed_url()
*
* @param string $url URL.
* @return string URL.
*/
public function add_state_query_params( $url ) {
$parsed_original_url = wp_parse_url( $url );
$is_allowed = false;
foreach ( $this->get_allowed_urls() as $allowed_url ) {
$parsed_allowed_url = wp_parse_url( $allowed_url );
$is_allowed = (
$parsed_allowed_url['scheme'] === $parsed_original_url['scheme']
&&
$parsed_allowed_url['host'] === $parsed_original_url['host']
&&
0 === strpos( $parsed_original_url['path'], $parsed_allowed_url['path'] )
);
if ( $is_allowed ) {
break;
}
}
if ( $is_allowed ) {
$query_params = array(
'customize_changeset_uuid' => $this->changeset_uuid(),
);
if ( ! $this->is_theme_active() ) {
$query_params['customize_theme'] = $this->get_stylesheet();
}
if ( $this->messenger_channel ) {
$query_params['customize_messenger_channel'] = $this->messenger_channel;
}
$url = add_query_arg( $query_params, $url );
}
return $url;
}
/**
* Prevent sending a 404 status when returning the response for the customize
* preview, since it causes the jQuery Ajax to fail. Send 200 instead.
*
* @since 4.0.0
* @deprecated 4.7.0
*/
public function customize_preview_override_404_status() {
_deprecated_function( __METHOD__, '4.7.0' );
}
/**
* Print base element for preview frame.
*
* @since 3.4.0
* @deprecated 4.7.0
*/
public function customize_preview_base() {
_deprecated_function( __METHOD__, '4.7.0' );
}
/**
* Print a workaround to handle HTML5 tags in IE < 9.
*
* @since 3.4.0
* @deprecated 4.7.0 Customizer no longer supports IE8, so all supported browsers recognize HTML5.
*/
public function customize_preview_html5() {
_deprecated_function( __FUNCTION__, '4.7.0' );
}
/**
* Print CSS for loading indicators for the Customizer preview.
*
* @since 4.2.0
*/
public function customize_preview_loading_style() {
?><style>
body.wp-customizer-unloading {
opacity: 0.25;
cursor: progress !important;
-webkit-transition: opacity 0.5s;
transition: opacity 0.5s;
}
body.wp-customizer-unloading * {
pointer-events: none !important;
}
form.customize-unpreviewable,
form.customize-unpreviewable input,
form.customize-unpreviewable select,
form.customize-unpreviewable button,
a.customize-unpreviewable,
area.customize-unpreviewable {
cursor: not-allowed !important;
}
</style><?php
}
/**
* Remove customize_messenger_channel query parameter from the preview window when it is not in an iframe.
*
* This ensures that the admin bar will be shown. It also ensures that link navigation will
* work as expected since the parent frame is not being sent the URL to navigate to.
*
* @since 4.7.0
*/
public function remove_frameless_preview_messenger_channel() {
if ( ! $this->messenger_channel ) {
return;
}
?>
<script>
( function() {
var urlParser, oldQueryParams, newQueryParams, i;
if ( parent !== window ) {
return;
}
urlParser = document.createElement( 'a' );
urlParser.href = location.href;
oldQueryParams = urlParser.search.substr( 1 ).split( /&/ );
newQueryParams = [];
for ( i = 0; i < oldQueryParams.length; i += 1 ) {
if ( ! /^customize_messenger_channel=/.test( oldQueryParams[ i ] ) ) {
newQueryParams.push( oldQueryParams[ i ] );
}
}
urlParser.search = newQueryParams.join( '&' );
if ( urlParser.search !== location.search ) {
location.replace( urlParser.href );
}
} )();
</script>
<?php
}
/**
* Print JavaScript settings for preview frame.
*
* @since 3.4.0
*/
public function customize_preview_settings() {
$post_values = $this->unsanitized_post_values( array( 'exclude_changeset' => true ) );
$setting_validities = $this->validate_setting_values( $post_values );
$exported_setting_validities = array_map( array( $this, 'prepare_setting_validity_for_js' ), $setting_validities );
// Note that the REQUEST_URI is not passed into home_url() since this breaks subdirectory installations.
$self_url = empty( $_SERVER['REQUEST_URI'] ) ? home_url( '/' ) : esc_url_raw( wp_unslash( $_SERVER['REQUEST_URI'] ) );
$state_query_params = array(
'customize_theme',
'customize_changeset_uuid',
'customize_messenger_channel',
);
$self_url = remove_query_arg( $state_query_params, $self_url );
$allowed_urls = $this->get_allowed_urls();
$allowed_hosts = array();
foreach ( $allowed_urls as $allowed_url ) {
$parsed = wp_parse_url( $allowed_url );
if ( empty( $parsed['host'] ) ) {
continue;
}
$host = $parsed['host'];
if ( ! empty( $parsed['port'] ) ) {
$host .= ':' . $parsed['port'];
}
$allowed_hosts[] = $host;
}
$switched_locale = switch_to_locale( get_user_locale() );
$l10n = array(
'shiftClickToEdit' => __( 'Shift-click to edit this element.' ),
'linkUnpreviewable' => __( 'This link is not live-previewable.' ),
'formUnpreviewable' => __( 'This form is not live-previewable.' ),
);
if ( $switched_locale ) {
restore_previous_locale();
}
$settings = array(
'changeset' => array(
'uuid' => $this->_changeset_uuid,
),
'timeouts' => array(
'selectiveRefresh' => 250,
'keepAliveSend' => 1000,
),
'theme' => array(
'stylesheet' => $this->get_stylesheet(),
'active' => $this->is_theme_active(),
),
'url' => array(
'self' => $self_url,
'allowed' => array_map( 'esc_url_raw', $this->get_allowed_urls() ),
'allowedHosts' => array_unique( $allowed_hosts ),
'isCrossDomain' => $this->is_cross_domain(),
),
'channel' => $this->messenger_channel,
'activePanels' => array(),
'activeSections' => array(),
'activeControls' => array(),
'settingValidities' => $exported_setting_validities,
'nonce' => current_user_can( 'customize' ) ? $this->get_nonces() : array(),
'l10n' => $l10n,
'_dirty' => array_keys( $post_values ),
);
foreach ( $this->panels as $panel_id => $panel ) {
if ( $panel->check_capabilities() ) {
$settings['activePanels'][ $panel_id ] = $panel->active();
foreach ( $panel->sections as $section_id => $section ) {
if ( $section->check_capabilities() ) {
$settings['activeSections'][ $section_id ] = $section->active();
}
}
}
}
foreach ( $this->sections as $id => $section ) {
if ( $section->check_capabilities() ) {
$settings['activeSections'][ $id ] = $section->active();
}
}
foreach ( $this->controls as $id => $control ) {
if ( $control->check_capabilities() ) {
$settings['activeControls'][ $id ] = $control->active();
}
}
?>
<script type="text/javascript">
var _wpCustomizeSettings = <?php echo wp_json_encode( $settings ); ?>;
_wpCustomizeSettings.values = {};
(function( v ) {
<?php
/*
* Serialize settings separately from the initial _wpCustomizeSettings
* serialization in order to avoid a peak memory usage spike.
* @todo We may not even need to export the values at all since the pane syncs them anyway.
*/
foreach ( $this->settings as $id => $setting ) {
if ( $setting->check_capabilities() ) {
printf(
"v[%s] = %s;\n",
wp_json_encode( $id ),
wp_json_encode( $setting->js_value() )
);
}
}
?>
})( _wpCustomizeSettings.values );
</script>
<?php
}
/**
* Prints a signature so we can ensure the Customizer was properly executed.
*
* @since 3.4.0
* @deprecated 4.7.0
*/
public function customize_preview_signature() {
_deprecated_function( __METHOD__, '4.7.0' );
}
/**
* Removes the signature in case we experience a case where the Customizer was not properly executed.
*
* @since 3.4.0
* @deprecated 4.7.0
*
* @param mixed $return Value passed through for {@see 'wp_die_handler'} filter.
* @return mixed Value passed through for {@see 'wp_die_handler'} filter.
*/
public function remove_preview_signature( $return = null ) {
_deprecated_function( __METHOD__, '4.7.0' );
return $return;
}
/**
* Is it a theme preview?
*
* @since 3.4.0
*
* @return bool True if it's a preview, false if not.
*/
public function is_preview() {
return (bool) $this->previewing;
}
/**
* Retrieve the template name of the previewed theme.
*
* @since 3.4.0
*
* @return string Template name.
*/
public function get_template() {
return $this->theme()->get_template();
}
/**
* Retrieve the stylesheet name of the previewed theme.
*
* @since 3.4.0
*
* @return string Stylesheet name.
*/
public function get_stylesheet() {
return $this->theme()->get_stylesheet();
}
/**
* Retrieve the template root of the previewed theme.
*
* @since 3.4.0
*
* @return string Theme root.
*/
public function get_template_root() {
return get_raw_theme_root( $this->get_template(), true );
}
/**
* Retrieve the stylesheet root of the previewed theme.
*
* @since 3.4.0
*
* @return string Theme root.
*/
public function get_stylesheet_root() {
return get_raw_theme_root( $this->get_stylesheet(), true );
}
/**
* Filters the current theme and return the name of the previewed theme.
*
* @since 3.4.0
*
* @param $current_theme {@internal Parameter is not used}
* @return string Theme name.
*/
public function current_theme( $current_theme ) {
return $this->theme()->display('Name');
}
/**
* Validates setting values.
*
* Validation is skipped for unregistered settings or for values that are
* already null since they will be skipped anyway. Sanitization is applied
* to values that pass validation, and values that become null or `WP_Error`
* after sanitizing are marked invalid.
*
* @since 4.6.0
*
* @see WP_REST_Request::has_valid_params()
* @see WP_Customize_Setting::validate()
*
* @param array $setting_values Mapping of setting IDs to values to validate and sanitize.
* @param array $options {
* Options.
*
* @type bool $validate_existence Whether a setting's existence will be checked.
* @type bool $validate_capability Whether the setting capability will be checked.
* }
* @return array Mapping of setting IDs to return value of validate method calls, either `true` or `WP_Error`.
*/
public function validate_setting_values( $setting_values, $options = array() ) {
$options = wp_parse_args( $options, array(
'validate_capability' => false,
'validate_existence' => false,
) );
$validities = array();
foreach ( $setting_values as $setting_id => $unsanitized_value ) {
$setting = $this->get_setting( $setting_id );
if ( ! $setting ) {
if ( $options['validate_existence'] ) {
$validities[ $setting_id ] = new WP_Error( 'unrecognized', __( 'Setting does not exist or is unrecognized.' ) );
}
continue;
}
if ( $options['validate_capability'] && ! current_user_can( $setting->capability ) ) {
$validity = new WP_Error( 'unauthorized', __( 'Unauthorized to modify setting due to capability.' ) );
} else {
if ( is_null( $unsanitized_value ) ) {
continue;
}
$validity = $setting->validate( $unsanitized_value );
}
if ( ! is_wp_error( $validity ) ) {
/** This filter is documented in wp-includes/class-wp-customize-setting.php */
$late_validity = apply_filters( "customize_validate_{$setting->id}", new WP_Error(), $unsanitized_value, $setting );
if ( ! empty( $late_validity->errors ) ) {
$validity = $late_validity;
}
}
if ( ! is_wp_error( $validity ) ) {
$value = $setting->sanitize( $unsanitized_value );
if ( is_null( $value ) ) {
$validity = false;
} elseif ( is_wp_error( $value ) ) {
$validity = $value;
}
}
if ( false === $validity ) {
$validity = new WP_Error( 'invalid_value', __( 'Invalid value.' ) );
}
$validities[ $setting_id ] = $validity;
}
return $validities;
}
/**
* Prepares setting validity for exporting to the client (JS).
*
* Converts `WP_Error` instance into array suitable for passing into the
* `wp.customize.Notification` JS model.
*
* @since 4.6.0
*
* @param true|WP_Error $validity Setting validity.
* @return true|array If `$validity` was a WP_Error, the error codes will be array-mapped
* to their respective `message` and `data` to pass into the
* `wp.customize.Notification` JS model.
*/
public function prepare_setting_validity_for_js( $validity ) {
if ( is_wp_error( $validity ) ) {
$notification = array();
foreach ( $validity->errors as $error_code => $error_messages ) {
$notification[ $error_code ] = array(
'message' => join( ' ', $error_messages ),
'data' => $validity->get_error_data( $error_code ),
);
}
return $notification;
} else {
return true;
}
}
/**
* Handle customize_save WP Ajax request to save/update a changeset.
*
* @since 3.4.0
* @since 4.7.0 The semantics of this method have changed to update a changeset, optionally to also change the status and other attributes.
*/
public function save() {
if ( ! is_user_logged_in() ) {
wp_send_json_error( 'unauthenticated' );
}
if ( ! $this->is_preview() ) {
wp_send_json_error( 'not_preview' );
}
$action = 'save-customize_' . $this->get_stylesheet();
if ( ! check_ajax_referer( $action, 'nonce', false ) ) {
wp_send_json_error( 'invalid_nonce' );
}
$changeset_post_id = $this->changeset_post_id();
if ( empty( $changeset_post_id ) ) {
if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->create_posts ) ) {
wp_send_json_error( 'cannot_create_changeset_post' );
}
} else {
if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->edit_post, $changeset_post_id ) ) {
wp_send_json_error( 'cannot_edit_changeset_post' );
}
}
if ( ! empty( $_POST['customize_changeset_data'] ) ) {
$input_changeset_data = json_decode( wp_unslash( $_POST['customize_changeset_data'] ), true );
if ( ! is_array( $input_changeset_data ) ) {
wp_send_json_error( 'invalid_customize_changeset_data' );
}
} else {
$input_changeset_data = array();
}
// Validate title.
$changeset_title = null;
if ( isset( $_POST['customize_changeset_title'] ) ) {
$changeset_title = sanitize_text_field( wp_unslash( $_POST['customize_changeset_title'] ) );
}
// Validate changeset status param.
$is_publish = null;
$changeset_status = null;
if ( isset( $_POST['customize_changeset_status'] ) ) {
$changeset_status = wp_unslash( $_POST['customize_changeset_status'] );
if ( ! get_post_status_object( $changeset_status ) || ! in_array( $changeset_status, array( 'draft', 'pending', 'publish', 'future' ), true ) ) {
wp_send_json_error( 'bad_customize_changeset_status', 400 );
}
$is_publish = ( 'publish' === $changeset_status || 'future' === $changeset_status );
if ( $is_publish && ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->publish_posts ) ) {
wp_send_json_error( 'changeset_publish_unauthorized', 403 );
}
}
/*
* Validate changeset date param. Date is assumed to be in local time for
* the WP if in MySQL format (YYYY-MM-DD HH:MM:SS). Otherwise, the date
* is parsed with strtotime() so that ISO date format may be supplied
* or a string like "+10 minutes".
*/
$changeset_date_gmt = null;
if ( isset( $_POST['customize_changeset_date'] ) ) {
$changeset_date = wp_unslash( $_POST['customize_changeset_date'] );
if ( preg_match( '/^\d\d\d\d-\d\d-\d\d \d\d:\d\d:\d\d$/', $changeset_date ) ) {
$mm = substr( $changeset_date, 5, 2 );
$jj = substr( $changeset_date, 8, 2 );
$aa = substr( $changeset_date, 0, 4 );
$valid_date = wp_checkdate( $mm, $jj, $aa, $changeset_date );
if ( ! $valid_date ) {
wp_send_json_error( 'bad_customize_changeset_date', 400 );
}
$changeset_date_gmt = get_gmt_from_date( $changeset_date );
} else {
$timestamp = strtotime( $changeset_date );
if ( ! $timestamp ) {
wp_send_json_error( 'bad_customize_changeset_date', 400 );
}
$changeset_date_gmt = gmdate( 'Y-m-d H:i:s', $timestamp );
}
}
$r = $this->save_changeset_post( array(
'status' => $changeset_status,
'title' => $changeset_title,
'date_gmt' => $changeset_date_gmt,
'data' => $input_changeset_data,
) );
if ( is_wp_error( $r ) ) {
$response = array(
'message' => $r->get_error_message(),
'code' => $r->get_error_code(),
);
if ( is_array( $r->get_error_data() ) ) {
$response = array_merge( $response, $r->get_error_data() );
} else {
$response['data'] = $r->get_error_data();
}
} else {
$response = $r;
// Note that if the changeset status was publish, then it will get set to trash if revisions are not supported.
$response['changeset_status'] = get_post_status( $this->changeset_post_id() );
if ( $is_publish && 'trash' === $response['changeset_status'] ) {
$response['changeset_status'] = 'publish';
}
if ( 'publish' === $response['changeset_status'] ) {
$response['next_changeset_uuid'] = wp_generate_uuid4();
}
}
if ( isset( $response['setting_validities'] ) ) {
$response['setting_validities'] = array_map( array( $this, 'prepare_setting_validity_for_js' ), $response['setting_validities'] );
}
/**
* Filters response data for a successful customize_save Ajax request.
*
* This filter does not apply if there was a nonce or authentication failure.
*
* @since 4.2.0
*
* @param array $response Additional information passed back to the 'saved'
* event on `wp.customize`.
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
$response = apply_filters( 'customize_save_response', $response, $this );
if ( is_wp_error( $r ) ) {
wp_send_json_error( $response );
} else {
wp_send_json_success( $response );
}
}
/**
* Save the post for the loaded changeset.
*
* @since 4.7.0
*
* @param array $args {
* Args for changeset post.
*
* @type array $data Optional additional changeset data. Values will be merged on top of any existing post values.
* @type string $status Post status. Optional. If supplied, the save will be transactional and a post revision will be allowed.
* @type string $title Post title. Optional.
* @type string $date_gmt Date in GMT. Optional.
* @type int $user_id ID for user who is saving the changeset. Optional, defaults to the current user ID.
* @type bool $starter_content Whether the data is starter content. If false (default), then $starter_content will be cleared for any $data being saved.
* }
*
* @return array|WP_Error Returns array on success and WP_Error with array data on error.
*/
function save_changeset_post( $args = array() ) {
$args = array_merge(
array(
'status' => null,
'title' => null,
'data' => array(),
'date_gmt' => null,
'user_id' => get_current_user_id(),
'starter_content' => false,
),
$args
);
$changeset_post_id = $this->changeset_post_id();
$existing_changeset_data = array();
if ( $changeset_post_id ) {
$existing_status = get_post_status( $changeset_post_id );
if ( 'publish' === $existing_status || 'trash' === $existing_status ) {
return new WP_Error( 'changeset_already_published' );
}
$existing_changeset_data = $this->get_changeset_post_data( $changeset_post_id );
if ( is_wp_error( $existing_changeset_data ) ) {
return $existing_changeset_data;
}
}
// Fail if attempting to publish but publish hook is missing.
if ( 'publish' === $args['status'] && false === has_action( 'transition_post_status', '_wp_customize_publish_changeset' ) ) {
return new WP_Error( 'missing_publish_callback' );
}
// Validate date.
$now = gmdate( 'Y-m-d H:i:59' );
if ( $args['date_gmt'] ) {
$is_future_dated = ( mysql2date( 'U', $args['date_gmt'], false ) > mysql2date( 'U', $now, false ) );
if ( ! $is_future_dated ) {
return new WP_Error( 'not_future_date' ); // Only future dates are allowed.
}
if ( ! $this->is_theme_active() && ( 'future' === $args['status'] || $is_future_dated ) ) {
return new WP_Error( 'cannot_schedule_theme_switches' ); // This should be allowed in the future, when theme is a regular setting.
}
$will_remain_auto_draft = ( ! $args['status'] && ( ! $changeset_post_id || 'auto-draft' === get_post_status( $changeset_post_id ) ) );
if ( $will_remain_auto_draft ) {
return new WP_Error( 'cannot_supply_date_for_auto_draft_changeset' );
}
} elseif ( $changeset_post_id && 'future' === $args['status'] ) {
// Fail if the new status is future but the existing post's date is not in the future.
$changeset_post = get_post( $changeset_post_id );
if ( mysql2date( 'U', $changeset_post->post_date_gmt, false ) <= mysql2date( 'U', $now, false ) ) {
return new WP_Error( 'not_future_date' );
}
}
if ( ! empty( $is_future_dated ) && 'publish' === $args['status'] ) {
$args['status'] = 'future';
}
// The request was made via wp.customize.previewer.save().
$update_transactionally = (bool) $args['status'];
$allow_revision = (bool) $args['status'];
// Amend post values with any supplied data.
foreach ( $args['data'] as $setting_id => $setting_params ) {
if ( is_array( $setting_params ) && array_key_exists( 'value', $setting_params ) ) {
$this->set_post_value( $setting_id, $setting_params['value'] ); // Add to post values so that they can be validated and sanitized.
}
}
// Note that in addition to post data, this will include any stashed theme mods.
$post_values = $this->unsanitized_post_values( array(
'exclude_changeset' => true,
'exclude_post_data' => false,
) );
$this->add_dynamic_settings( array_keys( $post_values ) ); // Ensure settings get created even if they lack an input value.
/*
* Get list of IDs for settings that have values different from what is currently
* saved in the changeset. By skipping any values that are already the same, the
* subset of changed settings can be passed into validate_setting_values to prevent
* an underprivileged modifying a single setting for which they have the capability
* from being blocked from saving. This also prevents a user from touching of the
* previous saved settings and overriding the associated user_id if they made no change.
*/
$changed_setting_ids = array();
foreach ( $post_values as $setting_id => $setting_value ) {
$setting = $this->get_setting( $setting_id );
if ( $setting && 'theme_mod' === $setting->type ) {
$prefixed_setting_id = $this->get_stylesheet() . '::' . $setting->id;
} else {
$prefixed_setting_id = $setting_id;
}
$is_value_changed = (
! isset( $existing_changeset_data[ $prefixed_setting_id ] )
||
! array_key_exists( 'value', $existing_changeset_data[ $prefixed_setting_id ] )
||
$existing_changeset_data[ $prefixed_setting_id ]['value'] !== $setting_value
);
if ( $is_value_changed ) {
$changed_setting_ids[] = $setting_id;
}
}
/**
* Fires before save validation happens.
*
* Plugins can add just-in-time {@see 'customize_validate_{$this->ID}'} filters
* at this point to catch any settings registered after `customize_register`.
* The dynamic portion of the hook name, `$this->ID` refers to the setting ID.
*
* @since 4.6.0
*
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
do_action( 'customize_save_validation_before', $this );
// Validate settings.
$validated_values = array_merge(
array_fill_keys( array_keys( $args['data'] ), null ), // Make sure existence/capability checks are done on value-less setting updates.
$post_values
);
$setting_validities = $this->validate_setting_values( $validated_values, array(
'validate_capability' => true,
'validate_existence' => true,
) );
$invalid_setting_count = count( array_filter( $setting_validities, 'is_wp_error' ) );
/*
* Short-circuit if there are invalid settings the update is transactional.
* A changeset update is transactional when a status is supplied in the request.
*/
if ( $update_transactionally && $invalid_setting_count > 0 ) {
$response = array(
'setting_validities' => $setting_validities,
/* translators: placeholder is number of invalid settings */
'message' => sprintf( _n( 'Unable to save due to %s invalid setting.', 'Unable to save due to %s invalid settings.', $invalid_setting_count ), number_format_i18n( $invalid_setting_count ) ),
);
return new WP_Error( 'transaction_fail', '', $response );
}
// Obtain/merge data for changeset.
$original_changeset_data = $this->get_changeset_post_data( $changeset_post_id );
$data = $original_changeset_data;
if ( is_wp_error( $data ) ) {
$data = array();
}
// Ensure that all post values are included in the changeset data.
foreach ( $post_values as $setting_id => $post_value ) {
if ( ! isset( $args['data'][ $setting_id ] ) ) {
$args['data'][ $setting_id ] = array();
}
if ( ! isset( $args['data'][ $setting_id ]['value'] ) ) {
$args['data'][ $setting_id ]['value'] = $post_value;
}
}
foreach ( $args['data'] as $setting_id => $setting_params ) {
$setting = $this->get_setting( $setting_id );
if ( ! $setting || ! $setting->check_capabilities() ) {
continue;
}
// Skip updating changeset for invalid setting values.
if ( isset( $setting_validities[ $setting_id ] ) && is_wp_error( $setting_validities[ $setting_id ] ) ) {
continue;
}
$changeset_setting_id = $setting_id;
if ( 'theme_mod' === $setting->type ) {
$changeset_setting_id = sprintf( '%s::%s', $this->get_stylesheet(), $setting_id );
}
if ( null === $setting_params ) {
// Remove setting from changeset entirely.
unset( $data[ $changeset_setting_id ] );
} else {
if ( ! isset( $data[ $changeset_setting_id ] ) ) {
$data[ $changeset_setting_id ] = array();
}
// Merge any additional setting params that have been supplied with the existing params.
$merged_setting_params = array_merge( $data[ $changeset_setting_id ], $setting_params );
// Skip updating setting params if unchanged (ensuring the user_id is not overwritten).
if ( $data[ $changeset_setting_id ] === $merged_setting_params ) {
continue;
}
$data[ $changeset_setting_id ] = array_merge(
$merged_setting_params,
array(
'type' => $setting->type,
'user_id' => $args['user_id'],
)
);
// Clear starter_content flag in data if changeset is not explicitly being updated for starter content.
if ( empty( $args['starter_content'] ) ) {
unset( $data[ $changeset_setting_id ]['starter_content'] );
}
}
}
$filter_context = array(
'uuid' => $this->changeset_uuid(),
'title' => $args['title'],
'status' => $args['status'],
'date_gmt' => $args['date_gmt'],
'post_id' => $changeset_post_id,
'previous_data' => is_wp_error( $original_changeset_data ) ? array() : $original_changeset_data,
'manager' => $this,
);
/**
* Filters the settings' data that will be persisted into the changeset.
*
* Plugins may amend additional data (such as additional meta for settings) into the changeset with this filter.
*
* @since 4.7.0
*
* @param array $data Updated changeset data, mapping setting IDs to arrays containing a $value item and optionally other metadata.
* @param array $context {
* Filter context.
*
* @type string $uuid Changeset UUID.
* @type string $title Requested title for the changeset post.
* @type string $status Requested status for the changeset post.
* @type string $date_gmt Requested date for the changeset post in MySQL format and GMT timezone.
* @type int|false $post_id Post ID for the changeset, or false if it doesn't exist yet.
* @type array $previous_data Previous data contained in the changeset.
* @type WP_Customize_Manager $manager Manager instance.
* }
*/
$data = apply_filters( 'customize_changeset_save_data', $data, $filter_context );
// Switch theme if publishing changes now.
if ( 'publish' === $args['status'] && ! $this->is_theme_active() ) {
// Temporarily stop previewing the theme to allow switch_themes() to operate properly.
$this->stop_previewing_theme();
switch_theme( $this->get_stylesheet() );
update_option( 'theme_switched_via_customizer', true );
$this->start_previewing_theme();
}
// Gather the data for wp_insert_post()/wp_update_post().
$json_options = 0;
if ( defined( 'JSON_UNESCAPED_SLASHES' ) ) {
$json_options |= JSON_UNESCAPED_SLASHES; // Introduced in PHP 5.4. This is only to improve readability as slashes needn't be escaped in storage.
}
$json_options |= JSON_PRETTY_PRINT; // Also introduced in PHP 5.4, but WP defines constant for back compat. See WP Trac #30139.
$post_array = array(
'post_content' => wp_json_encode( $data, $json_options ),
);
if ( $args['title'] ) {
$post_array['post_title'] = $args['title'];
}
if ( $changeset_post_id ) {
$post_array['ID'] = $changeset_post_id;
} else {
$post_array['post_type'] = 'customize_changeset';
$post_array['post_name'] = $this->changeset_uuid();
$post_array['post_status'] = 'auto-draft';
}
if ( $args['status'] ) {
$post_array['post_status'] = $args['status'];
}
// Reset post date to now if we are publishing, otherwise pass post_date_gmt and translate for post_date.
if ( 'publish' === $args['status'] ) {
$post_array['post_date_gmt'] = '0000-00-00 00:00:00';
$post_array['post_date'] = '0000-00-00 00:00:00';
} elseif ( $args['date_gmt'] ) {
$post_array['post_date_gmt'] = $args['date_gmt'];
$post_array['post_date'] = get_date_from_gmt( $args['date_gmt'] );
} elseif ( $changeset_post_id && 'auto-draft' === get_post_status( $changeset_post_id ) ) {
/*
* Keep bumping the date for the auto-draft whenever it is modified;
* this extends its life, preserving it from garbage-collection via
* wp_delete_auto_drafts().
*/
$post_array['post_date'] = current_time( 'mysql' );
$post_array['post_date_gmt'] = '';
}
$this->store_changeset_revision = $allow_revision;
add_filter( 'wp_save_post_revision_post_has_changed', array( $this, '_filter_revision_post_has_changed' ), 5, 3 );
// Update the changeset post. The publish_customize_changeset action will cause the settings in the changeset to be saved via WP_Customize_Setting::save().
$has_kses = ( false !== has_filter( 'content_save_pre', 'wp_filter_post_kses' ) );
if ( $has_kses ) {
kses_remove_filters(); // Prevent KSES from corrupting JSON in post_content.
}
// Note that updating a post with publish status will trigger WP_Customize_Manager::publish_changeset_values().
if ( $changeset_post_id ) {
$post_array['edit_date'] = true; // Prevent date clearing.
$r = wp_update_post( wp_slash( $post_array ), true );
} else {
$r = wp_insert_post( wp_slash( $post_array ), true );
if ( ! is_wp_error( $r ) ) {
$this->_changeset_post_id = $r; // Update cached post ID for the loaded changeset.
}
}
if ( $has_kses ) {
kses_init_filters();
}
$this->_changeset_data = null; // Reset so WP_Customize_Manager::changeset_data() will re-populate with updated contents.
remove_filter( 'wp_save_post_revision_post_has_changed', array( $this, '_filter_revision_post_has_changed' ) );
$response = array(
'setting_validities' => $setting_validities,
);
if ( is_wp_error( $r ) ) {
$response['changeset_post_save_failure'] = $r->get_error_code();
return new WP_Error( 'changeset_post_save_failure', '', $response );
}
return $response;
}
/**
* Whether a changeset revision should be made.
*
* @since 4.7.0
* @var bool
*/
protected $store_changeset_revision;
/**
* Filters whether a changeset has changed to create a new revision.
*
* Note that this will not be called while a changeset post remains in auto-draft status.
*
* @since 4.7.0
*
* @param bool $post_has_changed Whether the post has changed.
* @param WP_Post $last_revision The last revision post object.
* @param WP_Post $post The post object.
*
* @return bool Whether a revision should be made.
*/
public function _filter_revision_post_has_changed( $post_has_changed, $last_revision, $post ) {
unset( $last_revision );
if ( 'customize_changeset' === $post->post_type ) {
$post_has_changed = $this->store_changeset_revision;
}
return $post_has_changed;
}
/**
* Publish changeset values.
*
* This will the values contained in a changeset, even changesets that do not
* correspond to current manager instance. This is called by
* `_wp_customize_publish_changeset()` when a customize_changeset post is
* transitioned to the `publish` status. As such, this method should not be
* called directly and instead `wp_publish_post()` should be used.
*
* Please note that if the settings in the changeset are for a non-activated
* theme, the theme must first be switched to (via `switch_theme()`) before
* invoking this method.
*
* @since 4.7.0
* @see _wp_customize_publish_changeset()
*
* @param int $changeset_post_id ID for customize_changeset post. Defaults to the changeset for the current manager instance.
* @return true|WP_Error True or error info.
*/
public function _publish_changeset_values( $changeset_post_id ) {
$publishing_changeset_data = $this->get_changeset_post_data( $changeset_post_id );
if ( is_wp_error( $publishing_changeset_data ) ) {
return $publishing_changeset_data;
}
$changeset_post = get_post( $changeset_post_id );
/*
* Temporarily override the changeset context so that it will be read
* in calls to unsanitized_post_values() and so that it will be available
* on the $wp_customize object passed to hooks during the save logic.
*/
$previous_changeset_post_id = $this->_changeset_post_id;
$this->_changeset_post_id = $changeset_post_id;
$previous_changeset_uuid = $this->_changeset_uuid;
$this->_changeset_uuid = $changeset_post->post_name;
$previous_changeset_data = $this->_changeset_data;
$this->_changeset_data = $publishing_changeset_data;
// Parse changeset data to identify theme mod settings and user IDs associated with settings to be saved.
$setting_user_ids = array();
$theme_mod_settings = array();
$namespace_pattern = '/^(?P<stylesheet>.+?)::(?P<setting_id>.+)$/';
$matches = array();
foreach ( $this->_changeset_data as $raw_setting_id => $setting_params ) {
$actual_setting_id = null;
$is_theme_mod_setting = (
isset( $setting_params['value'] )
&&
isset( $setting_params['type'] )
&&
'theme_mod' === $setting_params['type']
&&
preg_match( $namespace_pattern, $raw_setting_id, $matches )
);
if ( $is_theme_mod_setting ) {
if ( ! isset( $theme_mod_settings[ $matches['stylesheet'] ] ) ) {
$theme_mod_settings[ $matches['stylesheet'] ] = array();
}
$theme_mod_settings[ $matches['stylesheet'] ][ $matches['setting_id'] ] = $setting_params;
if ( $this->get_stylesheet() === $matches['stylesheet'] ) {
$actual_setting_id = $matches['setting_id'];
}
} else {
$actual_setting_id = $raw_setting_id;
}
// Keep track of the user IDs for settings actually for this theme.
if ( $actual_setting_id && isset( $setting_params['user_id'] ) ) {
$setting_user_ids[ $actual_setting_id ] = $setting_params['user_id'];
}
}
$changeset_setting_values = $this->unsanitized_post_values( array(
'exclude_post_data' => true,
'exclude_changeset' => false,
) );
$changeset_setting_ids = array_keys( $changeset_setting_values );
$this->add_dynamic_settings( $changeset_setting_ids );
/**
* Fires once the theme has switched in the Customizer, but before settings
* have been saved.
*
* @since 3.4.0
*
* @param WP_Customize_Manager $manager WP_Customize_Manager instance.
*/
do_action( 'customize_save', $this );
/*
* Ensure that all settings will allow themselves to be saved. Note that
* this is safe because the setting would have checked the capability
* when the setting value was written into the changeset. So this is why
* an additional capability check is not required here.
*/
$original_setting_capabilities = array();
foreach ( $changeset_setting_ids as $setting_id ) {
$setting = $this->get_setting( $setting_id );
if ( $setting && ! isset( $setting_user_ids[ $setting_id ] ) ) {
$original_setting_capabilities[ $setting->id ] = $setting->capability;
$setting->capability = 'exist';
}
}
$original_user_id = get_current_user_id();
foreach ( $changeset_setting_ids as $setting_id ) {
$setting = $this->get_setting( $setting_id );
if ( $setting ) {
/*
* Set the current user to match the user who saved the value into
* the changeset so that any filters that apply during the save
* process will respect the original user's capabilities. This
* will ensure, for example, that KSES won't strip unsafe HTML
* when a scheduled changeset publishes via WP Cron.
*/
if ( isset( $setting_user_ids[ $setting_id ] ) ) {
wp_set_current_user( $setting_user_ids[ $setting_id ] );
} else {
wp_set_current_user( $original_user_id );
}
$setting->save();
}
}
wp_set_current_user( $original_user_id );
// Update the stashed theme mod settings, removing the active theme's stashed settings, if activated.
if ( did_action( 'switch_theme' ) ) {
$other_theme_mod_settings = $theme_mod_settings;
unset( $other_theme_mod_settings[ $this->get_stylesheet() ] );
$this->update_stashed_theme_mod_settings( $other_theme_mod_settings );
}
/**
* Fires after Customize settings have been saved.
*
* @since 3.6.0
*
* @param WP_Customize_Manager $manager WP_Customize_Manager instance.
*/
do_action( 'customize_save_after', $this );
// Restore original capabilities.
foreach ( $original_setting_capabilities as $setting_id => $capability ) {
$setting = $this->get_setting( $setting_id );
if ( $setting ) {
$setting->capability = $capability;
}
}
// Restore original changeset data.
$this->_changeset_data = $previous_changeset_data;
$this->_changeset_post_id = $previous_changeset_post_id;
$this->_changeset_uuid = $previous_changeset_uuid;
return true;
}
/**
* Update stashed theme mod settings.
*
* @since 4.7.0
*
* @param array $inactive_theme_mod_settings Mapping of stylesheet to arrays of theme mod settings.
* @return array|false Returns array of updated stashed theme mods or false if the update failed or there were no changes.
*/
protected function update_stashed_theme_mod_settings( $inactive_theme_mod_settings ) {
$stashed_theme_mod_settings = get_option( 'customize_stashed_theme_mods' );
if ( empty( $stashed_theme_mod_settings ) ) {
$stashed_theme_mod_settings = array();
}
// Delete any stashed theme mods for the active theme since they would have been loaded and saved upon activation.
unset( $stashed_theme_mod_settings[ $this->get_stylesheet() ] );
// Merge inactive theme mods with the stashed theme mod settings.
foreach ( $inactive_theme_mod_settings as $stylesheet => $theme_mod_settings ) {
if ( ! isset( $stashed_theme_mod_settings[ $stylesheet ] ) ) {
$stashed_theme_mod_settings[ $stylesheet ] = array();
}
$stashed_theme_mod_settings[ $stylesheet ] = array_merge(
$stashed_theme_mod_settings[ $stylesheet ],
$theme_mod_settings
);
}
$autoload = false;
$result = update_option( 'customize_stashed_theme_mods', $stashed_theme_mod_settings, $autoload );
if ( ! $result ) {
return false;
}
return $stashed_theme_mod_settings;
}
/**
* Refresh nonces for the current preview.
*
* @since 4.2.0
*/
public function refresh_nonces() {
if ( ! $this->is_preview() ) {
wp_send_json_error( 'not_preview' );
}
wp_send_json_success( $this->get_nonces() );
}
/**
* Add a customize setting.
*
* @since 3.4.0
* @since 4.5.0 Return added WP_Customize_Setting instance.
*
* @param WP_Customize_Setting|string $id Customize Setting object, or ID.
* @param array $args {
* Optional. Array of properties for the new WP_Customize_Setting. Default empty array.
*
* @type string $type Type of the setting. Default 'theme_mod'.
* Default 160.
* @type string $capability Capability required for the setting. Default 'edit_theme_options'
* @type string|array $theme_supports Theme features required to support the panel. Default is none.
* @type string $default Default value for the setting. Default is empty string.
* @type string $transport Options for rendering the live preview of changes in Theme Customizer.
* Using 'refresh' makes the change visible by reloading the whole preview.
* Using 'postMessage' allows a custom JavaScript to handle live changes.
* @link https://developer.wordpress.org/themes/customize-api
* Default is 'refresh'
* @type callable $validate_callback Server-side validation callback for the setting's value.
* @type callable $sanitize_callback Callback to filter a Customize setting value in un-slashed form.
* @type callable $sanitize_js_callback Callback to convert a Customize PHP setting value to a value that is
* JSON serializable.
* @type bool $dirty Whether or not the setting is initially dirty when created.
* }
* @return WP_Customize_Setting The instance of the setting that was added.
*/
public function add_setting( $id, $args = array() ) {
if ( $id instanceof WP_Customize_Setting ) {
$setting = $id;
} else {
$class = 'WP_Customize_Setting';
/** This filter is documented in wp-includes/class-wp-customize-manager.php */
$args = apply_filters( 'customize_dynamic_setting_args', $args, $id );
/** This filter is documented in wp-includes/class-wp-customize-manager.php */
$class = apply_filters( 'customize_dynamic_setting_class', $class, $id, $args );
$setting = new $class( $this, $id, $args );
}
$this->settings[ $setting->id ] = $setting;
return $setting;
}
/**
* Register any dynamically-created settings, such as those from $_POST['customized']
* that have no corresponding setting created.
*
* This is a mechanism to "wake up" settings that have been dynamically created
* on the front end and have been sent to WordPress in `$_POST['customized']`. When WP
* loads, the dynamically-created settings then will get created and previewed
* even though they are not directly created statically with code.
*
* @since 4.2.0
*
* @param array $setting_ids The setting IDs to add.
* @return array The WP_Customize_Setting objects added.
*/
public function add_dynamic_settings( $setting_ids ) {
$new_settings = array();
foreach ( $setting_ids as $setting_id ) {
// Skip settings already created
if ( $this->get_setting( $setting_id ) ) {
continue;
}
$setting_args = false;
$setting_class = 'WP_Customize_Setting';
/**
* Filters a dynamic setting's constructor args.
*
* For a dynamic setting to be registered, this filter must be employed
* to override the default false value with an array of args to pass to
* the WP_Customize_Setting constructor.
*
* @since 4.2.0
*
* @param false|array $setting_args The arguments to the WP_Customize_Setting constructor.
* @param string $setting_id ID for dynamic setting, usually coming from `$_POST['customized']`.
*/
$setting_args = apply_filters( 'customize_dynamic_setting_args', $setting_args, $setting_id );
if ( false === $setting_args ) {
continue;
}
/**
* Allow non-statically created settings to be constructed with custom WP_Customize_Setting subclass.
*
* @since 4.2.0
*
* @param string $setting_class WP_Customize_Setting or a subclass.
* @param string $setting_id ID for dynamic setting, usually coming from `$_POST['customized']`.
* @param array $setting_args WP_Customize_Setting or a subclass.
*/
$setting_class = apply_filters( 'customize_dynamic_setting_class', $setting_class, $setting_id, $setting_args );
$setting = new $setting_class( $this, $setting_id, $setting_args );
$this->add_setting( $setting );
$new_settings[] = $setting;
}
return $new_settings;
}
/**
* Retrieve a customize setting.
*
* @since 3.4.0
*
* @param string $id Customize Setting ID.
* @return WP_Customize_Setting|void The setting, if set.
*/
public function get_setting( $id ) {
if ( isset( $this->settings[ $id ] ) ) {
return $this->settings[ $id ];
}
}
/**
* Remove a customize setting.
*
* @since 3.4.0
*
* @param string $id Customize Setting ID.
*/
public function remove_setting( $id ) {
unset( $this->settings[ $id ] );
}
/**
* Add a customize panel.
*
* @since 4.0.0
* @since 4.5.0 Return added WP_Customize_Panel instance.
*
* @param WP_Customize_Panel|string $id Customize Panel object, or Panel ID.
* @param array $args {
* Optional. Array of properties for the new Panel object. Default empty array.
* @type int $priority Priority of the panel, defining the display order of panels and sections.
* Default 160.
* @type string $capability Capability required for the panel. Default `edit_theme_options`
* @type string|array $theme_supports Theme features required to support the panel.
* @type string $title Title of the panel to show in UI.
* @type string $description Description to show in the UI.
* @type string $type Type of the panel.
* @type callable $active_callback Active callback.
* }
* @return WP_Customize_Panel The instance of the panel that was added.
*/
public function add_panel( $id, $args = array() ) {
if ( $id instanceof WP_Customize_Panel ) {
$panel = $id;
} else {
$panel = new WP_Customize_Panel( $this, $id, $args );
}
$this->panels[ $panel->id ] = $panel;
return $panel;
}
/**
* Retrieve a customize panel.
*
* @since 4.0.0
*
* @param string $id Panel ID to get.
* @return WP_Customize_Panel|void Requested panel instance, if set.
*/
public function get_panel( $id ) {
if ( isset( $this->panels[ $id ] ) ) {
return $this->panels[ $id ];
}
}
/**
* Remove a customize panel.
*
* @since 4.0.0
*
* @param string $id Panel ID to remove.
*/
public function remove_panel( $id ) {
// Removing core components this way is _doing_it_wrong().
if ( in_array( $id, $this->components, true ) ) {
/* translators: 1: panel id, 2: link to 'customize_loaded_components' filter reference */
$message = sprintf( __( 'Removing %1$s manually will cause PHP warnings. Use the %2$s filter instead.' ),
$id,
'<a href="' . esc_url( 'https://developer.wordpress.org/reference/hooks/customize_loaded_components/' ) . '"><code>customize_loaded_components</code></a>'
);
_doing_it_wrong( __METHOD__, $message, '4.5.0' );
}
unset( $this->panels[ $id ] );
}
/**
* Register a customize panel type.
*
* Registered types are eligible to be rendered via JS and created dynamically.
*
* @since 4.3.0
*
* @see WP_Customize_Panel
*
* @param string $panel Name of a custom panel which is a subclass of WP_Customize_Panel.
*/
public function register_panel_type( $panel ) {
$this->registered_panel_types[] = $panel;
}
/**
* Render JS templates for all registered panel types.
*
* @since 4.3.0
*/
public function render_panel_templates() {
foreach ( $this->registered_panel_types as $panel_type ) {
$panel = new $panel_type( $this, 'temp', array() );
$panel->print_template();
}
}
/**
* Add a customize section.
*
* @since 3.4.0
* @since 4.5.0 Return added WP_Customize_Section instance.
*
* @param WP_Customize_Section|string $id Customize Section object, or Section ID.
* @param array $args {
* Optional. Array of properties for the new Panel object. Default empty array.
* @type int $priority Priority of the panel, defining the display order of panels and sections.
* Default 160.
* @type string $panel Priority of the panel, defining the display order of panels and sections.
* @type string $capability Capability required for the panel. Default 'edit_theme_options'
* @type string|array $theme_supports Theme features required to support the panel.
* @type string $title Title of the panel to show in UI.
* @type string $description Description to show in the UI.
* @type string $type Type of the panel.
* @type callable $active_callback Active callback.
* @type bool $description_hidden Hide the description behind a help icon, instead of . Default false.
* }
* @return WP_Customize_Section The instance of the section that was added.
*/
public function add_section( $id, $args = array() ) {
if ( $id instanceof WP_Customize_Section ) {
$section = $id;
} else {
$section = new WP_Customize_Section( $this, $id, $args );
}
$this->sections[ $section->id ] = $section;
return $section;
}
/**
* Retrieve a customize section.
*
* @since 3.4.0
*
* @param string $id Section ID.
* @return WP_Customize_Section|void The section, if set.
*/
public function get_section( $id ) {
if ( isset( $this->sections[ $id ] ) )
return $this->sections[ $id ];
}
/**
* Remove a customize section.
*
* @since 3.4.0
*
* @param string $id Section ID.
*/
public function remove_section( $id ) {
unset( $this->sections[ $id ] );
}
/**
* Register a customize section type.
*
* Registered types are eligible to be rendered via JS and created dynamically.
*
* @since 4.3.0
*
* @see WP_Customize_Section
*
* @param string $section Name of a custom section which is a subclass of WP_Customize_Section.
*/
public function register_section_type( $section ) {
$this->registered_section_types[] = $section;
}
/**
* Render JS templates for all registered section types.
*
* @since 4.3.0
*/
public function render_section_templates() {
foreach ( $this->registered_section_types as $section_type ) {
$section = new $section_type( $this, 'temp', array() );
$section->print_template();
}
}
/**
* Add a customize control.
*
* @since 3.4.0
* @since 4.5.0 Return added WP_Customize_Control instance.
*
* @param WP_Customize_Control|string $id Customize Control object, or ID.
* @param array $args {
* Optional. Array of properties for the new Control object. Default empty array.
*
* @type array $settings All settings tied to the control. If undefined, defaults to `$setting`.
* IDs in the array correspond to the ID of a registered `WP_Customize_Setting`.
* @type string $setting The primary setting for the control (if there is one). Default is 'default'.
* @type string $capability Capability required to use this control. Normally derived from `$settings`.
* @type int $priority Order priority to load the control. Default 10.
* @type string $section The section this control belongs to. Default empty.
* @type string $label Label for the control. Default empty.
* @type string $description Description for the control. Default empty.
* @type array $choices List of choices for 'radio' or 'select' type controls, where values
* are the keys, and labels are the values. Default empty array.
* @type array $input_attrs List of custom input attributes for control output, where attribute
* names are the keys and values are the values. Default empty array.
* @type bool $allow_addition Show UI for adding new content, currently only used for the
* dropdown-pages control. Default false.
* @type string $type The type of the control. Default 'text'.
* @type callback $active_callback Active callback.
* }
* @return WP_Customize_Control The instance of the control that was added.
*/
public function add_control( $id, $args = array() ) {
if ( $id instanceof WP_Customize_Control ) {
$control = $id;
} else {
$control = new WP_Customize_Control( $this, $id, $args );
}
$this->controls[ $control->id ] = $control;
return $control;
}
/**
* Retrieve a customize control.
*
* @since 3.4.0
*
* @param string $id ID of the control.
* @return WP_Customize_Control|void The control object, if set.
*/
public function get_control( $id ) {
if ( isset( $this->controls[ $id ] ) )
return $this->controls[ $id ];
}
/**
* Remove a customize control.
*
* @since 3.4.0
*
* @param string $id ID of the control.
*/
public function remove_control( $id ) {
unset( $this->controls[ $id ] );
}
/**
* Register a customize control type.
*
* Registered types are eligible to be rendered via JS and created dynamically.
*
* @since 4.1.0
*
* @param string $control Name of a custom control which is a subclass of
* WP_Customize_Control.
*/
public function register_control_type( $control ) {
$this->registered_control_types[] = $control;
}
/**
* Render JS templates for all registered control types.
*
* @since 4.1.0
*/
public function render_control_templates() {
foreach ( $this->registered_control_types as $control_type ) {
$control = new $control_type( $this, 'temp', array(
'settings' => array(),
) );
$control->print_template();
}
?>
<script type="text/html" id="tmpl-customize-notification">
<li class="notice notice-{{ data.type || 'info' }} {{ data.alt ? 'notice-alt' : '' }} {{ data.dismissible ? 'is-dismissible' : '' }}" data-code="{{ data.code }}" data-type="{{ data.type }}">
{{{ data.message || data.code }}}
<# if ( data.dismissible ) { #>
<button type="button" class="notice-dismiss"><span class="screen-reader-text"><?php _e( 'Dismiss' ); ?></span></button>
<# } #>
</li>
</script>
<?php
/* The following template is obsolete in core but retained for plugins. */
?>
<script type="text/html" id="tmpl-customize-control-notifications">
<ul>
<# _.each( data.notifications, function( notification ) { #>
<li class="notice notice-{{ notification.type || 'info' }} {{ data.altNotice ? 'notice-alt' : '' }}" data-code="{{ notification.code }}" data-type="{{ notification.type }}">{{{ notification.message || notification.code }}}</li>
<# } ); #>
</ul>
</script>
<?php
}
/**
* Helper function to compare two objects by priority, ensuring sort stability via instance_number.
*
* @since 3.4.0
* @deprecated 4.7.0 Use wp_list_sort()
*
* @param WP_Customize_Panel|WP_Customize_Section|WP_Customize_Control $a Object A.
* @param WP_Customize_Panel|WP_Customize_Section|WP_Customize_Control $b Object B.
* @return int
*/
protected function _cmp_priority( $a, $b ) {
_deprecated_function( __METHOD__, '4.7.0', 'wp_list_sort' );
if ( $a->priority === $b->priority ) {
return $a->instance_number - $b->instance_number;
} else {
return $a->priority - $b->priority;
}
}
/**
* Prepare panels, sections, and controls.
*
* For each, check if required related components exist,
* whether the user has the necessary capabilities,
* and sort by priority.
*
* @since 3.4.0
*/
public function prepare_controls() {
$controls = array();
$this->controls = wp_list_sort( $this->controls, array(
'priority' => 'ASC',
'instance_number' => 'ASC',
), 'ASC', true );
foreach ( $this->controls as $id => $control ) {
if ( ! isset( $this->sections[ $control->section ] ) || ! $control->check_capabilities() ) {
continue;
}
$this->sections[ $control->section ]->controls[] = $control;
$controls[ $id ] = $control;
}
$this->controls = $controls;
// Prepare sections.
$this->sections = wp_list_sort( $this->sections, array(
'priority' => 'ASC',
'instance_number' => 'ASC',
), 'ASC', true );
$sections = array();
foreach ( $this->sections as $section ) {
if ( ! $section->check_capabilities() ) {
continue;
}
$section->controls = wp_list_sort( $section->controls, array(
'priority' => 'ASC',
'instance_number' => 'ASC',
) );
if ( ! $section->panel ) {
// Top-level section.
$sections[ $section->id ] = $section;
} else {
// This section belongs to a panel.
if ( isset( $this->panels [ $section->panel ] ) ) {
$this->panels[ $section->panel ]->sections[ $section->id ] = $section;
}
}
}
$this->sections = $sections;
// Prepare panels.
$this->panels = wp_list_sort( $this->panels, array(
'priority' => 'ASC',
'instance_number' => 'ASC',
), 'ASC', true );
$panels = array();
foreach ( $this->panels as $panel ) {
if ( ! $panel->check_capabilities() ) {
continue;
}
$panel->sections = wp_list_sort( $panel->sections, array(
'priority' => 'ASC',
'instance_number' => 'ASC',
), 'ASC', true );
$panels[ $panel->id ] = $panel;
}
$this->panels = $panels;
// Sort panels and top-level sections together.
$this->containers = array_merge( $this->panels, $this->sections );
$this->containers = wp_list_sort( $this->containers, array(
'priority' => 'ASC',
'instance_number' => 'ASC',
), 'ASC', true );
}
/**
* Enqueue scripts for customize controls.
*
* @since 3.4.0
*/
public function enqueue_control_scripts() {
foreach ( $this->controls as $control ) {
$control->enqueue();
}
if ( $this->get_section( 'custom_css' ) && $this->get_control( 'custom_css' ) ) {
$this->_custom_css_code_editor_settings = wp_enqueue_code_editor( array(
'type' => 'text/css',
) );
}
}
/**
* Determine whether the user agent is iOS.
*
* @since 4.4.0
*
* @return bool Whether the user agent is iOS.
*/
public function is_ios() {
return wp_is_mobile() && preg_match( '/iPad|iPod|iPhone/', $_SERVER['HTTP_USER_AGENT'] );
}
/**
* Get the template string for the Customizer pane document title.
*
* @since 4.4.0
*
* @return string The template string for the document title.
*/
public function get_document_title_template() {
if ( $this->is_theme_active() ) {
/* translators: %s: document title from the preview */
$document_title_tmpl = __( 'Customize: %s' );
} else {
/* translators: %s: document title from the preview */
$document_title_tmpl = __( 'Live Preview: %s' );
}
$document_title_tmpl = html_entity_decode( $document_title_tmpl, ENT_QUOTES, 'UTF-8' ); // Because exported to JS and assigned to document.title.
return $document_title_tmpl;
}
/**
* Set the initial URL to be previewed.
*
* URL is validated.
*
* @since 4.4.0
*
* @param string $preview_url URL to be previewed.
*/
public function set_preview_url( $preview_url ) {
$preview_url = esc_url_raw( $preview_url );
$this->preview_url = wp_validate_redirect( $preview_url, home_url( '/' ) );
}
/**
* Get the initial URL to be previewed.
*
* @since 4.4.0
*
* @return string URL being previewed.
*/
public function get_preview_url() {
if ( empty( $this->preview_url ) ) {
$preview_url = home_url( '/' );
} else {
$preview_url = $this->preview_url;
}
return $preview_url;
}
/**
* Determines whether the admin and the frontend are on different domains.
*
* @since 4.7.0
*
* @return bool Whether cross-domain.
*/
public function is_cross_domain() {
$admin_origin = wp_parse_url( admin_url() );
$home_origin = wp_parse_url( home_url() );
$cross_domain = ( strtolower( $admin_origin['host'] ) !== strtolower( $home_origin['host'] ) );
return $cross_domain;
}
/**
* Get URLs allowed to be previewed.
*
* If the front end and the admin are served from the same domain, load the
* preview over ssl if the Customizer is being loaded over ssl. This avoids
* insecure content warnings. This is not attempted if the admin and front end
* are on different domains to avoid the case where the front end doesn't have
* ssl certs. Domain mapping plugins can allow other urls in these conditions
* using the customize_allowed_urls filter.
*
* @since 4.7.0
*
* @returns array Allowed URLs.
*/
public function get_allowed_urls() {
$allowed_urls = array( home_url( '/' ) );
if ( is_ssl() && ! $this->is_cross_domain() ) {
$allowed_urls[] = home_url( '/', 'https' );
}
/**
* Filters the list of URLs allowed to be clicked and followed in the Customizer preview.
*
* @since 3.4.0
*
* @param array $allowed_urls An array of allowed URLs.
*/
$allowed_urls = array_unique( apply_filters( 'customize_allowed_urls', $allowed_urls ) );
return $allowed_urls;
}
/**
* Get messenger channel.
*
* @since 4.7.0
*
* @return string Messenger channel.
*/
public function get_messenger_channel() {
return $this->messenger_channel;
}
/**
* Set URL to link the user to when closing the Customizer.
*
* URL is validated.
*
* @since 4.4.0
*
* @param string $return_url URL for return link.
*/
public function set_return_url( $return_url ) {
$return_url = esc_url_raw( $return_url );
$return_url = remove_query_arg( wp_removable_query_args(), $return_url );
$return_url = wp_validate_redirect( $return_url );
$this->return_url = $return_url;
}
/**
* Get URL to link the user to when closing the Customizer.
*
* @since 4.4.0
*
* @return string URL for link to close Customizer.
*/
public function get_return_url() {
$referer = wp_get_referer();
$excluded_referer_basenames = array( 'customize.php', 'wp-login.php' );
if ( $this->return_url ) {
$return_url = $this->return_url;
} else if ( $referer && ! in_array( basename( parse_url( $referer, PHP_URL_PATH ) ), $excluded_referer_basenames, true ) ) {
$return_url = $referer;
} else if ( $this->preview_url ) {
$return_url = $this->preview_url;
} else {
$return_url = home_url( '/' );
}
return $return_url;
}
/**
* Set the autofocused constructs.
*
* @since 4.4.0
*
* @param array $autofocus {
* Mapping of 'panel', 'section', 'control' to the ID which should be autofocused.
*
* @type string [$control] ID for control to be autofocused.
* @type string [$section] ID for section to be autofocused.
* @type string [$panel] ID for panel to be autofocused.
* }
*/
public function set_autofocus( $autofocus ) {
$this->autofocus = array_filter( wp_array_slice_assoc( $autofocus, array( 'panel', 'section', 'control' ) ), 'is_string' );
}
/**
* Get the autofocused constructs.
*
* @since 4.4.0
*
* @return array {
* Mapping of 'panel', 'section', 'control' to the ID which should be autofocused.
*
* @type string [$control] ID for control to be autofocused.
* @type string [$section] ID for section to be autofocused.
* @type string [$panel] ID for panel to be autofocused.
* }
*/
public function get_autofocus() {
return $this->autofocus;
}
/**
* Get nonces for the Customizer.
*
* @since 4.5.0
*
* @return array Nonces.
*/
public function get_nonces() {
$nonces = array(
'save' => wp_create_nonce( 'save-customize_' . $this->get_stylesheet() ),
'preview' => wp_create_nonce( 'preview-customize_' . $this->get_stylesheet() ),
);
/**
* Filters nonces for Customizer.
*
* @since 4.2.0
*
* @param array $nonces Array of refreshed nonces for save and
* preview actions.
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
$nonces = apply_filters( 'customize_refresh_nonces', $nonces, $this );
return $nonces;
}
/**
* Print JavaScript settings for parent window.
*
* @since 4.4.0
*/
public function customize_pane_settings() {
$login_url = add_query_arg( array(
'interim-login' => 1,
'customize-login' => 1,
), wp_login_url() );
// Ensure dirty flags are set for modified settings.
foreach ( array_keys( $this->unsanitized_post_values() ) as $setting_id ) {
$setting = $this->get_setting( $setting_id );
if ( $setting ) {
$setting->dirty = true;
}
}
// Prepare Customizer settings to pass to JavaScript.
$settings = array(
'changeset' => array(
'uuid' => $this->changeset_uuid(),
'status' => $this->changeset_post_id() ? get_post_status( $this->changeset_post_id() ) : '',
),
'timeouts' => array(
'windowRefresh' => 250,
'changesetAutoSave' => AUTOSAVE_INTERVAL * 1000,
'keepAliveCheck' => 2500,
'reflowPaneContents' => 100,
'previewFrameSensitivity' => 2000,
),
'theme' => array(
'stylesheet' => $this->get_stylesheet(),
'active' => $this->is_theme_active(),
),
'customCss' => array(
'codeEditor' => $this->_custom_css_code_editor_settings,
),
'url' => array(
'preview' => esc_url_raw( $this->get_preview_url() ),
'parent' => esc_url_raw( admin_url() ),
'activated' => esc_url_raw( home_url( '/' ) ),
'ajax' => esc_url_raw( admin_url( 'admin-ajax.php', 'relative' ) ),
'allowed' => array_map( 'esc_url_raw', $this->get_allowed_urls() ),
'isCrossDomain' => $this->is_cross_domain(),
'home' => esc_url_raw( home_url( '/' ) ),
'login' => esc_url_raw( $login_url ),
),
'browser' => array(
'mobile' => wp_is_mobile(),
'ios' => $this->is_ios(),
),
'panels' => array(),
'sections' => array(),
'nonce' => $this->get_nonces(),
'autofocus' => $this->get_autofocus(),
'documentTitleTmpl' => $this->get_document_title_template(),
'previewableDevices' => $this->get_previewable_devices(),
);
// Prepare Customize Section objects to pass to JavaScript.
foreach ( $this->sections() as $id => $section ) {
if ( $section->check_capabilities() ) {
$settings['sections'][ $id ] = $section->json();
}
}
// Prepare Customize Panel objects to pass to JavaScript.
foreach ( $this->panels() as $panel_id => $panel ) {
if ( $panel->check_capabilities() ) {
$settings['panels'][ $panel_id ] = $panel->json();
foreach ( $panel->sections as $section_id => $section ) {
if ( $section->check_capabilities() ) {
$settings['sections'][ $section_id ] = $section->json();
}
}
}
}
?>
<script type="text/javascript">
var _wpCustomizeSettings = <?php echo wp_json_encode( $settings ); ?>;
_wpCustomizeSettings.controls = {};
_wpCustomizeSettings.settings = {};
<?php
// Serialize settings one by one to improve memory usage.
echo "(function ( s ){\n";
foreach ( $this->settings() as $setting ) {
if ( $setting->check_capabilities() ) {
printf(
"s[%s] = %s;\n",
wp_json_encode( $setting->id ),
wp_json_encode( $setting->json() )
);
}
}
echo "})( _wpCustomizeSettings.settings );\n";
// Serialize controls one by one to improve memory usage.
echo "(function ( c ){\n";
foreach ( $this->controls() as $control ) {
if ( $control->check_capabilities() ) {
printf(
"c[%s] = %s;\n",
wp_json_encode( $control->id ),
wp_json_encode( $control->json() )
);
}
}
echo "})( _wpCustomizeSettings.controls );\n";
?>
</script>
<?php
}
/**
* Returns a list of devices to allow previewing.
*
* @since 4.5.0
*
* @return array List of devices with labels and default setting.
*/
public function get_previewable_devices() {
$devices = array(
'desktop' => array(
'label' => __( 'Enter desktop preview mode' ),
'default' => true,
),
'tablet' => array(
'label' => __( 'Enter tablet preview mode' ),
),
'mobile' => array(
'label' => __( 'Enter mobile preview mode' ),
),
);
/**
* Filters the available devices to allow previewing in the Customizer.
*
* @since 4.5.0
*
* @see WP_Customize_Manager::get_previewable_devices()
*
* @param array $devices List of devices with labels and default setting.
*/
$devices = apply_filters( 'customize_previewable_devices', $devices );
return $devices;
}
/**
* Register some default controls.
*
* @since 3.4.0
*/
public function register_controls() {
/* Panel, Section, and Control Types */
$this->register_panel_type( 'WP_Customize_Panel' );
$this->register_section_type( 'WP_Customize_Section' );
$this->register_section_type( 'WP_Customize_Sidebar_Section' );
$this->register_control_type( 'WP_Customize_Color_Control' );
$this->register_control_type( 'WP_Customize_Media_Control' );
$this->register_control_type( 'WP_Customize_Upload_Control' );
$this->register_control_type( 'WP_Customize_Image_Control' );
$this->register_control_type( 'WP_Customize_Background_Image_Control' );
$this->register_control_type( 'WP_Customize_Background_Position_Control' );
$this->register_control_type( 'WP_Customize_Cropped_Image_Control' );
$this->register_control_type( 'WP_Customize_Site_Icon_Control' );
$this->register_control_type( 'WP_Customize_Theme_Control' );
/* Themes */
$this->add_section( new WP_Customize_Themes_Section( $this, 'themes', array(
'title' => $this->theme()->display( 'Name' ),
'capability' => 'switch_themes',
'priority' => 0,
) ) );
// Themes Setting (unused - the theme is considerably more fundamental to the Customizer experience).
$this->add_setting( new WP_Customize_Filter_Setting( $this, 'active_theme', array(
'capability' => 'switch_themes',
) ) );
require_once( ABSPATH . 'wp-admin/includes/theme.php' );
// Theme Controls.
// Add a control for the active/original theme.
if ( ! $this->is_theme_active() ) {
$themes = wp_prepare_themes_for_js( array( wp_get_theme( $this->original_stylesheet ) ) );
$active_theme = current( $themes );
$active_theme['isActiveTheme'] = true;
$this->add_control( new WP_Customize_Theme_Control( $this, $active_theme['id'], array(
'theme' => $active_theme,
'section' => 'themes',
'settings' => 'active_theme',
) ) );
}
$themes = wp_prepare_themes_for_js();
foreach ( $themes as $theme ) {
if ( $theme['active'] || $theme['id'] === $this->original_stylesheet ) {
continue;
}
$theme_id = 'theme_' . $theme['id'];
$theme['isActiveTheme'] = false;
$this->add_control( new WP_Customize_Theme_Control( $this, $theme_id, array(
'theme' => $theme,
'section' => 'themes',
'settings' => 'active_theme',
) ) );
}
/* Site Identity */
$this->add_section( 'title_tagline', array(
'title' => __( 'Site Identity' ),
'priority' => 20,
) );
$this->add_setting( 'blogname', array(
'default' => get_option( 'blogname' ),
'type' => 'option',
'capability' => 'manage_options',
) );
$this->add_control( 'blogname', array(
'label' => __( 'Site Title' ),
'section' => 'title_tagline',
) );
$this->add_setting( 'blogdescription', array(
'default' => get_option( 'blogdescription' ),
'type' => 'option',
'capability' => 'manage_options',
) );
$this->add_control( 'blogdescription', array(
'label' => __( 'Tagline' ),
'section' => 'title_tagline',
) );
// Add a setting to hide header text if the theme doesn't support custom headers.
if ( ! current_theme_supports( 'custom-header', 'header-text' ) ) {
$this->add_setting( 'header_text', array(
'theme_supports' => array( 'custom-logo', 'header-text' ),
'default' => 1,
'sanitize_callback' => 'absint',
) );
$this->add_control( 'header_text', array(
'label' => __( 'Display Site Title and Tagline' ),
'section' => 'title_tagline',
'settings' => 'header_text',
'type' => 'checkbox',
) );
}
$this->add_setting( 'site_icon', array(
'type' => 'option',
'capability' => 'manage_options',
'transport' => 'postMessage', // Previewed with JS in the Customizer controls window.
) );
$this->add_control( new WP_Customize_Site_Icon_Control( $this, 'site_icon', array(
'label' => __( 'Site Icon' ),
'description' => sprintf(
/* translators: %s: site icon size in pixels */
__( 'The Site Icon is used as a browser and app icon for your site. Icons must be square, and at least %s pixels wide and tall.' ),
'<strong>512</strong>'
),
'section' => 'title_tagline',
'priority' => 60,
'height' => 512,
'width' => 512,
) ) );
$this->add_setting( 'custom_logo', array(
'theme_supports' => array( 'custom-logo' ),
'transport' => 'postMessage',
) );
$custom_logo_args = get_theme_support( 'custom-logo' );
$this->add_control( new WP_Customize_Cropped_Image_Control( $this, 'custom_logo', array(
'label' => __( 'Logo' ),
'section' => 'title_tagline',
'priority' => 8,
'height' => $custom_logo_args[0]['height'],
'width' => $custom_logo_args[0]['width'],
'flex_height' => $custom_logo_args[0]['flex-height'],
'flex_width' => $custom_logo_args[0]['flex-width'],
'button_labels' => array(
'select' => __( 'Select logo' ),
'change' => __( 'Change logo' ),
'remove' => __( 'Remove' ),
'default' => __( 'Default' ),
'placeholder' => __( 'No logo selected' ),
'frame_title' => __( 'Select logo' ),
'frame_button' => __( 'Choose logo' ),
),
) ) );
$this->selective_refresh->add_partial( 'custom_logo', array(
'settings' => array( 'custom_logo' ),
'selector' => '.custom-logo-link',
'render_callback' => array( $this, '_render_custom_logo_partial' ),
'container_inclusive' => true,
) );
/* Colors */
$this->add_section( 'colors', array(
'title' => __( 'Colors' ),
'priority' => 40,
) );
$this->add_setting( 'header_textcolor', array(
'theme_supports' => array( 'custom-header', 'header-text' ),
'default' => get_theme_support( 'custom-header', 'default-text-color' ),
'sanitize_callback' => array( $this, '_sanitize_header_textcolor' ),
'sanitize_js_callback' => 'maybe_hash_hex_color',
) );
// Input type: checkbox
// With custom value
$this->add_control( 'display_header_text', array(
'settings' => 'header_textcolor',
'label' => __( 'Display Site Title and Tagline' ),
'section' => 'title_tagline',
'type' => 'checkbox',
'priority' => 40,
) );
$this->add_control( new WP_Customize_Color_Control( $this, 'header_textcolor', array(
'label' => __( 'Header Text Color' ),
'section' => 'colors',
) ) );
// Input type: Color
// With sanitize_callback
$this->add_setting( 'background_color', array(
'default' => get_theme_support( 'custom-background', 'default-color' ),
'theme_supports' => 'custom-background',
'sanitize_callback' => 'sanitize_hex_color_no_hash',
'sanitize_js_callback' => 'maybe_hash_hex_color',
) );
$this->add_control( new WP_Customize_Color_Control( $this, 'background_color', array(
'label' => __( 'Background Color' ),
'section' => 'colors',
) ) );
/* Custom Header */
if ( current_theme_supports( 'custom-header', 'video' ) ) {
$title = __( 'Header Media' );
$description = '<p>' . __( 'If you add a video, the image will be used as a fallback while the video loads.' ) . '</p>';
$width = absint( get_theme_support( 'custom-header', 'width' ) );
$height = absint( get_theme_support( 'custom-header', 'height' ) );
if ( $width && $height ) {
$control_description = sprintf(
/* translators: 1: .mp4, 2: header size in pixels */
__( 'Upload your video in %1$s format and minimize its file size for best results. Your theme recommends dimensions of %2$s pixels.' ),
'<code>.mp4</code>',
sprintf( '<strong>%s &times; %s</strong>', $width, $height )
);
} elseif ( $width ) {
$control_description = sprintf(
/* translators: 1: .mp4, 2: header width in pixels */
__( 'Upload your video in %1$s format and minimize its file size for best results. Your theme recommends a width of %2$s pixels.' ),
'<code>.mp4</code>',
sprintf( '<strong>%s</strong>', $width )
);
} else {
$control_description = sprintf(
/* translators: 1: .mp4, 2: header height in pixels */
__( 'Upload your video in %1$s format and minimize its file size for best results. Your theme recommends a height of %2$s pixels.' ),
'<code>.mp4</code>',
sprintf( '<strong>%s</strong>', $height )
);
}
} else {
$title = __( 'Header Image' );
$description = '';
$control_description = '';
}
$this->add_section( 'header_image', array(
'title' => $title,
'description' => $description,
'theme_supports' => 'custom-header',
'priority' => 60,
) );
$this->add_setting( 'header_video', array(
'theme_supports' => array( 'custom-header', 'video' ),
'transport' => 'postMessage',
'sanitize_callback' => 'absint',
'validate_callback' => array( $this, '_validate_header_video' ),
) );
$this->add_setting( 'external_header_video', array(
'theme_supports' => array( 'custom-header', 'video' ),
'transport' => 'postMessage',
'sanitize_callback' => array( $this, '_sanitize_external_header_video' ),
'validate_callback' => array( $this, '_validate_external_header_video' ),
) );
$this->add_setting( new WP_Customize_Filter_Setting( $this, 'header_image', array(
'default' => sprintf( get_theme_support( 'custom-header', 'default-image' ), get_template_directory_uri(), get_stylesheet_directory_uri() ),
'theme_supports' => 'custom-header',
) ) );
$this->add_setting( new WP_Customize_Header_Image_Setting( $this, 'header_image_data', array(
'theme_supports' => 'custom-header',
) ) );
/*
* Switch image settings to postMessage when video support is enabled since
* it entails that the_custom_header_markup() will be used, and thus selective
* refresh can be utilized.
*/
if ( current_theme_supports( 'custom-header', 'video' ) ) {
$this->get_setting( 'header_image' )->transport = 'postMessage';
$this->get_setting( 'header_image_data' )->transport = 'postMessage';
}
$this->add_control( new WP_Customize_Media_Control( $this, 'header_video', array(
'theme_supports' => array( 'custom-header', 'video' ),
'label' => __( 'Header Video' ),
'description' => $control_description,
'section' => 'header_image',
'mime_type' => 'video',
// @todo These button_labels can be removed once WP_Customize_Media_Control provides mime_type-specific labels automatically. See <https://core.trac.wordpress.org/ticket/38796>.
'button_labels' => array(
'select' => __( 'Select Video' ),
'change' => __( 'Change Video' ),
'placeholder' => __( 'No video selected' ),
'frame_title' => __( 'Select Video' ),
'frame_button' => __( 'Choose Video' ),
),
'active_callback' => 'is_header_video_active',
) ) );
$this->add_control( 'external_header_video', array(
'theme_supports' => array( 'custom-header', 'video' ),
'type' => 'url',
'description' => __( 'Or, enter a YouTube URL:' ),
'section' => 'header_image',
'active_callback' => 'is_header_video_active',
) );
$this->add_control( new WP_Customize_Header_Image_Control( $this ) );
$this->selective_refresh->add_partial( 'custom_header', array(
'selector' => '#wp-custom-header',
'render_callback' => 'the_custom_header_markup',
'settings' => array( 'header_video', 'external_header_video', 'header_image' ), // The image is used as a video fallback here.
'container_inclusive' => true,
) );
/* Custom Background */
$this->add_section( 'background_image', array(
'title' => __( 'Background Image' ),
'theme_supports' => 'custom-background',
'priority' => 80,
) );
$this->add_setting( 'background_image', array(
'default' => get_theme_support( 'custom-background', 'default-image' ),
'theme_supports' => 'custom-background',
'sanitize_callback' => array( $this, '_sanitize_background_setting' ),
) );
$this->add_setting( new WP_Customize_Background_Image_Setting( $this, 'background_image_thumb', array(
'theme_supports' => 'custom-background',
'sanitize_callback' => array( $this, '_sanitize_background_setting' ),
) ) );
$this->add_control( new WP_Customize_Background_Image_Control( $this ) );
$this->add_setting( 'background_preset', array(
'default' => get_theme_support( 'custom-background', 'default-preset' ),
'theme_supports' => 'custom-background',
'sanitize_callback' => array( $this, '_sanitize_background_setting' ),
) );
$this->add_control( 'background_preset', array(
'label' => _x( 'Preset', 'Background Preset' ),
'section' => 'background_image',
'type' => 'select',
'choices' => array(
'default' => _x( 'Default', 'Default Preset' ),
'fill' => __( 'Fill Screen' ),
'fit' => __( 'Fit to Screen' ),
'repeat' => _x( 'Repeat', 'Repeat Image' ),
'custom' => _x( 'Custom', 'Custom Preset' ),
),
) );
$this->add_setting( 'background_position_x', array(
'default' => get_theme_support( 'custom-background', 'default-position-x' ),
'theme_supports' => 'custom-background',
'sanitize_callback' => array( $this, '_sanitize_background_setting' ),
) );
$this->add_setting( 'background_position_y', array(
'default' => get_theme_support( 'custom-background', 'default-position-y' ),
'theme_supports' => 'custom-background',
'sanitize_callback' => array( $this, '_sanitize_background_setting' ),
) );
$this->add_control( new WP_Customize_Background_Position_Control( $this, 'background_position', array(
'label' => __( 'Image Position' ),
'section' => 'background_image',
'settings' => array(
'x' => 'background_position_x',
'y' => 'background_position_y',
),
) ) );
$this->add_setting( 'background_size', array(
'default' => get_theme_support( 'custom-background', 'default-size' ),
'theme_supports' => 'custom-background',
'sanitize_callback' => array( $this, '_sanitize_background_setting' ),
) );
$this->add_control( 'background_size', array(
'label' => __( 'Image Size' ),
'section' => 'background_image',
'type' => 'select',
'choices' => array(
'auto' => __( 'Original' ),
'contain' => __( 'Fit to Screen' ),
'cover' => __( 'Fill Screen' ),
),
) );
$this->add_setting( 'background_repeat', array(
'default' => get_theme_support( 'custom-background', 'default-repeat' ),
'sanitize_callback' => array( $this, '_sanitize_background_setting' ),
'theme_supports' => 'custom-background',
) );
$this->add_control( 'background_repeat', array(
'label' => __( 'Repeat Background Image' ),
'section' => 'background_image',
'type' => 'checkbox',
) );
$this->add_setting( 'background_attachment', array(
'default' => get_theme_support( 'custom-background', 'default-attachment' ),
'sanitize_callback' => array( $this, '_sanitize_background_setting' ),
'theme_supports' => 'custom-background',
) );
$this->add_control( 'background_attachment', array(
'label' => __( 'Scroll with Page' ),
'section' => 'background_image',
'type' => 'checkbox',
) );
// If the theme is using the default background callback, we can update
// the background CSS using postMessage.
if ( get_theme_support( 'custom-background', 'wp-head-callback' ) === '_custom_background_cb' ) {
foreach ( array( 'color', 'image', 'preset', 'position_x', 'position_y', 'size', 'repeat', 'attachment' ) as $prop ) {
$this->get_setting( 'background_' . $prop )->transport = 'postMessage';
}
}
/*
* Static Front Page
* See also https://core.trac.wordpress.org/ticket/19627 which introduces the static-front-page theme_support.
* The following replicates behavior from options-reading.php.
*/
$this->add_section( 'static_front_page', array(
'title' => __( 'Homepage Settings' ),
'priority' => 120,
'description' => __( 'You can choose what&#8217;s displayed on the homepage of your site. It can be posts in reverse chronological order (classic blog), or a fixed/static page. To set a static homepage, you first need to create two Pages. One will become the homepage, and the other will be where your posts are displayed.' ),
'active_callback' => array( $this, 'has_published_pages' ),
) );
$this->add_setting( 'show_on_front', array(
'default' => get_option( 'show_on_front' ),
'capability' => 'manage_options',
'type' => 'option',
) );
$this->add_control( 'show_on_front', array(
'label' => __( 'Your homepage displays' ),
'section' => 'static_front_page',
'type' => 'radio',
'choices' => array(
'posts' => __( 'Your latest posts' ),
'page' => __( 'A static page' ),
),
) );
$this->add_setting( 'page_on_front', array(
'type' => 'option',
'capability' => 'manage_options',
) );
$this->add_control( 'page_on_front', array(
'label' => __( 'Homepage' ),
'section' => 'static_front_page',
'type' => 'dropdown-pages',
'allow_addition' => true,
) );
$this->add_setting( 'page_for_posts', array(
'type' => 'option',
'capability' => 'manage_options',
) );
$this->add_control( 'page_for_posts', array(
'label' => __( 'Posts page' ),
'section' => 'static_front_page',
'type' => 'dropdown-pages',
'allow_addition' => true,
) );
/* Custom CSS */
$section_description = '<p>';
$section_description .= __( 'Add your own CSS code here to customize the appearance and layout of your site.', 'better-code-editing' );
$section_description .= sprintf(
' <a href="%1$s" class="external-link" target="_blank">%2$s<span class="screen-reader-text">%3$s</span></a>',
esc_url( __( 'https://codex.wordpress.org/CSS', 'default' ) ),
__( 'Learn more about CSS', 'default' ),
/* translators: accessibility text */
__( '(opens in a new window)', 'default' )
);
$section_description .= '</p>';
$section_description .= '<p>' . __( 'When using a keyboard to navigate:', 'better-code-editing' ) . '</p>';
$section_description .= '<ul>';
$section_description .= '<li>' . __( 'In the CSS edit field, Tab enters a tab character.', 'better-code-editing' ) . '</li>';
$section_description .= '<li>' . __( 'To move keyboard focus, press Esc then Tab for the next element, or Esc then Shift+Tab for the previous element.', 'better-code-editing' ) . '</li>';
$section_description .= '</ul>';
if ( 'false' !== wp_get_current_user()->syntax_highlighting ) {
$section_description .= '<p>';
$section_description .= sprintf(
/* translators: placeholder is link to user profile */
__( 'The edit field automatically highlights code syntax. You can disable this in your %s to work in plain text mode.', 'better-code-editing' ),
sprintf(
' <a href="%1$s" class="external-link" target="_blank">%2$s<span class="screen-reader-text">%3$s</span></a>',
esc_url( get_edit_profile_url() . '#syntax_highlighting' ),
__( 'user profile', 'better-code-editing' ),
/* translators: accessibility text */
__( '(opens in a new window)', 'default' )
)
);
$section_description .= '</p>';
}
$section_description .= '<p class="section-description-buttons">';
$section_description .= '<button type="button" class="button-link section-description-close">' . __( 'Close', 'default' ) . '</button>';
$section_description .= '</p>';
$this->add_section( 'custom_css', array(
'title' => __( 'Additional CSS' ),
'priority' => 200,
'description_hidden' => true,
'description' => $section_description,
) );
$custom_css_setting = new WP_Customize_Custom_CSS_Setting( $this, sprintf( 'custom_css[%s]', get_stylesheet() ), array(
'capability' => 'edit_css',
'default' => '',
) );
$this->add_setting( $custom_css_setting );
$this->add_control( 'custom_css', array(
'type' => 'textarea',
'section' => 'custom_css',
'settings' => array( 'default' => $custom_css_setting->id ),
'input_attrs' => array(
'class' => 'code', // Ensures contents displayed as LTR instead of RTL.
),
) );
}
/**
* Return whether there are published pages.
*
* Used as active callback for static front page section and controls.
*
* @since 4.7.0
*
* @returns bool Whether there are published (or to be published) pages.
*/
public function has_published_pages() {
$setting = $this->get_setting( 'nav_menus_created_posts' );
if ( $setting ) {
foreach ( $setting->value() as $post_id ) {
if ( 'page' === get_post_type( $post_id ) ) {
return true;
}
}
}
return 0 !== count( get_pages() );
}
/**
* Add settings from the POST data that were not added with code, e.g. dynamically-created settings for Widgets
*
* @since 4.2.0
*
* @see add_dynamic_settings()
*/
public function register_dynamic_settings() {
$setting_ids = array_keys( $this->unsanitized_post_values() );
$this->add_dynamic_settings( $setting_ids );
}
/**
* Callback for validating the header_textcolor value.
*
* Accepts 'blank', and otherwise uses sanitize_hex_color_no_hash().
* Returns default text color if hex color is empty.
*
* @since 3.4.0
*
* @param string $color
* @return mixed
*/
public function _sanitize_header_textcolor( $color ) {
if ( 'blank' === $color )
return 'blank';
$color = sanitize_hex_color_no_hash( $color );
if ( empty( $color ) )
$color = get_theme_support( 'custom-header', 'default-text-color' );
return $color;
}
/**
* Callback for validating a background setting value.
*
* @since 4.7.0
*
* @param string $value Repeat value.
* @param WP_Customize_Setting $setting Setting.
* @return string|WP_Error Background value or validation error.
*/
public function _sanitize_background_setting( $value, $setting ) {
if ( 'background_repeat' === $setting->id ) {
if ( ! in_array( $value, array( 'repeat-x', 'repeat-y', 'repeat', 'no-repeat' ) ) ) {
return new WP_Error( 'invalid_value', __( 'Invalid value for background repeat.' ) );
}
} elseif ( 'background_attachment' === $setting->id ) {
if ( ! in_array( $value, array( 'fixed', 'scroll' ) ) ) {
return new WP_Error( 'invalid_value', __( 'Invalid value for background attachment.' ) );
}
} elseif ( 'background_position_x' === $setting->id ) {
if ( ! in_array( $value, array( 'left', 'center', 'right' ), true ) ) {
return new WP_Error( 'invalid_value', __( 'Invalid value for background position X.' ) );
}
} elseif ( 'background_position_y' === $setting->id ) {
if ( ! in_array( $value, array( 'top', 'center', 'bottom' ), true ) ) {
return new WP_Error( 'invalid_value', __( 'Invalid value for background position Y.' ) );
}
} elseif ( 'background_size' === $setting->id ) {
if ( ! in_array( $value, array( 'auto', 'contain', 'cover' ), true ) ) {
return new WP_Error( 'invalid_value', __( 'Invalid value for background size.' ) );
}
} elseif ( 'background_preset' === $setting->id ) {
if ( ! in_array( $value, array( 'default', 'fill', 'fit', 'repeat', 'custom' ), true ) ) {
return new WP_Error( 'invalid_value', __( 'Invalid value for background size.' ) );
}
} elseif ( 'background_image' === $setting->id || 'background_image_thumb' === $setting->id ) {
$value = empty( $value ) ? '' : esc_url_raw( $value );
} else {
return new WP_Error( 'unrecognized_setting', __( 'Unrecognized background setting.' ) );
}
return $value;
}
/**
* Export header video settings to facilitate selective refresh.
*
* @since 4.7.0
*
* @param array $response Response.
* @param WP_Customize_Selective_Refresh $selective_refresh Selective refresh component.
* @param array $partials Array of partials.
* @return array
*/
public function export_header_video_settings( $response, $selective_refresh, $partials ) {
if ( isset( $partials['custom_header'] ) ) {
$response['custom_header_settings'] = get_header_video_settings();
}
return $response;
}
/**
* Callback for validating the header_video value.
*
* Ensures that the selected video is less than 8MB and provides an error message.
*
* @since 4.7.0
*
* @param WP_Error $validity
* @param mixed $value
* @return mixed
*/
public function _validate_header_video( $validity, $value ) {
$video = get_attached_file( absint( $value ) );
if ( $video ) {
$size = filesize( $video );
if ( 8 < $size / pow( 1024, 2 ) ) { // Check whether the size is larger than 8MB.
$validity->add( 'size_too_large',
__( 'This video file is too large to use as a header video. Try a shorter video or optimize the compression settings and re-upload a file that is less than 8MB. Or, upload your video to YouTube and link it with the option below.' )
);
}
if ( '.mp4' !== substr( $video, -4 ) && '.mov' !== substr( $video, -4 ) ) { // Check for .mp4 or .mov format, which (assuming h.264 encoding) are the only cross-browser-supported formats.
$validity->add( 'invalid_file_type', sprintf(
/* translators: 1: .mp4, 2: .mov */
__( 'Only %1$s or %2$s files may be used for header video. Please convert your video file and try again, or, upload your video to YouTube and link it with the option below.' ),
'<code>.mp4</code>',
'<code>.mov</code>'
) );
}
}
return $validity;
}
/**
* Callback for validating the external_header_video value.
*
* Ensures that the provided URL is supported.
*
* @since 4.7.0
*
* @param WP_Error $validity
* @param mixed $value
* @return mixed
*/
public function _validate_external_header_video( $validity, $value ) {
$video = esc_url_raw( $value );
if ( $video ) {
if ( ! preg_match( '#^https?://(?:www\.)?(?:youtube\.com/watch|youtu\.be/)#', $video ) ) {
$validity->add( 'invalid_url', __( 'Please enter a valid YouTube URL.' ) );
}
}
return $validity;
}
/**
* Callback for sanitizing the external_header_video value.
*
* @since 4.7.1
*
* @param string $value URL.
* @return string Sanitized URL.
*/
public function _sanitize_external_header_video( $value ) {
return esc_url_raw( trim( $value ) );
}
/**
* Callback for rendering the custom logo, used in the custom_logo partial.
*
* This method exists because the partial object and context data are passed
* into a partial's render_callback so we cannot use get_custom_logo() as
* the render_callback directly since it expects a blog ID as the first
* argument. When WP no longer supports PHP 5.3, this method can be removed
* in favor of an anonymous function.
*
* @see WP_Customize_Manager::register_controls()
*
* @since 4.5.0
*
* @return string Custom logo.
*/
public function _render_custom_logo_partial() {
return get_custom_logo();
}
}