3145 lines
97 KiB
PHP
3145 lines
97 KiB
PHP
<?php
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/**
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* Theme, template, and stylesheet functions.
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*
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* @package WordPress
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* @subpackage Theme
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*/
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/**
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* Returns an array of WP_Theme objects based on the arguments.
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*
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* Despite advances over get_themes(), this function is quite expensive, and grows
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* linearly with additional themes. Stick to wp_get_theme() if possible.
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*
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* @since 3.4.0
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*
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* @global array $wp_theme_directories
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* @staticvar array $_themes
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*
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* @param array $args The search arguments. Optional.
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* - errors mixed True to return themes with errors, false to return themes without errors, null
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* to return all themes. Defaults to false.
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* - allowed mixed (Multisite) True to return only allowed themes for a site. False to return only
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* disallowed themes for a site. 'site' to return only site-allowed themes. 'network'
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* to return only network-allowed themes. Null to return all themes. Defaults to null.
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* - blog_id int (Multisite) The blog ID used to calculate which themes are allowed. Defaults to 0,
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* synonymous for the current blog.
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* @return array Array of WP_Theme objects.
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*/
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function wp_get_themes( $args = array() ) {
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global $wp_theme_directories;
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$defaults = array( 'errors' => false, 'allowed' => null, 'blog_id' => 0 );
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$args = wp_parse_args( $args, $defaults );
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$theme_directories = search_theme_directories();
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if ( is_array( $wp_theme_directories ) && count( $wp_theme_directories ) > 1 ) {
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// Make sure the current theme wins out, in case search_theme_directories() picks the wrong
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// one in the case of a conflict. (Normally, last registered theme root wins.)
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$current_theme = get_stylesheet();
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if ( isset( $theme_directories[ $current_theme ] ) ) {
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$root_of_current_theme = get_raw_theme_root( $current_theme );
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if ( ! in_array( $root_of_current_theme, $wp_theme_directories ) )
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$root_of_current_theme = WP_CONTENT_DIR . $root_of_current_theme;
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$theme_directories[ $current_theme ]['theme_root'] = $root_of_current_theme;
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}
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}
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if ( empty( $theme_directories ) )
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return array();
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if ( is_multisite() && null !== $args['allowed'] ) {
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$allowed = $args['allowed'];
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if ( 'network' === $allowed )
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$theme_directories = array_intersect_key( $theme_directories, WP_Theme::get_allowed_on_network() );
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elseif ( 'site' === $allowed )
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$theme_directories = array_intersect_key( $theme_directories, WP_Theme::get_allowed_on_site( $args['blog_id'] ) );
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elseif ( $allowed )
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$theme_directories = array_intersect_key( $theme_directories, WP_Theme::get_allowed( $args['blog_id'] ) );
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else
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$theme_directories = array_diff_key( $theme_directories, WP_Theme::get_allowed( $args['blog_id'] ) );
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}
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$themes = array();
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static $_themes = array();
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foreach ( $theme_directories as $theme => $theme_root ) {
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if ( isset( $_themes[ $theme_root['theme_root'] . '/' . $theme ] ) )
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$themes[ $theme ] = $_themes[ $theme_root['theme_root'] . '/' . $theme ];
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else
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$themes[ $theme ] = $_themes[ $theme_root['theme_root'] . '/' . $theme ] = new WP_Theme( $theme, $theme_root['theme_root'] );
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}
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if ( null !== $args['errors'] ) {
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foreach ( $themes as $theme => $wp_theme ) {
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if ( $wp_theme->errors() != $args['errors'] )
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unset( $themes[ $theme ] );
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}
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}
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return $themes;
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}
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/**
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* Gets a WP_Theme object for a theme.
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*
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* @since 3.4.0
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*
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* @global array $wp_theme_directories
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*
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* @param string $stylesheet Directory name for the theme. Optional. Defaults to current theme.
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* @param string $theme_root Absolute path of the theme root to look in. Optional. If not specified, get_raw_theme_root()
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* is used to calculate the theme root for the $stylesheet provided (or current theme).
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* @return WP_Theme Theme object. Be sure to check the object's exists() method if you need to confirm the theme's existence.
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*/
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function wp_get_theme( $stylesheet = null, $theme_root = null ) {
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global $wp_theme_directories;
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if ( empty( $stylesheet ) )
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$stylesheet = get_stylesheet();
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if ( empty( $theme_root ) ) {
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$theme_root = get_raw_theme_root( $stylesheet );
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if ( false === $theme_root )
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$theme_root = WP_CONTENT_DIR . '/themes';
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elseif ( ! in_array( $theme_root, (array) $wp_theme_directories ) )
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$theme_root = WP_CONTENT_DIR . $theme_root;
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}
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return new WP_Theme( $stylesheet, $theme_root );
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}
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/**
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* Clears the cache held by get_theme_roots() and WP_Theme.
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*
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* @since 3.5.0
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* @param bool $clear_update_cache Whether to clear the Theme updates cache
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*/
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function wp_clean_themes_cache( $clear_update_cache = true ) {
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if ( $clear_update_cache )
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delete_site_transient( 'update_themes' );
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search_theme_directories( true );
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foreach ( wp_get_themes( array( 'errors' => null ) ) as $theme )
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$theme->cache_delete();
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}
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/**
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* Whether a child theme is in use.
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*
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* @since 3.0.0
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*
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* @return bool true if a child theme is in use, false otherwise.
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**/
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function is_child_theme() {
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return ( TEMPLATEPATH !== STYLESHEETPATH );
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}
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/**
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* Retrieve name of the current stylesheet.
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*
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* The theme name that the administrator has currently set the front end theme
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* as.
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*
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* For all intents and purposes, the template name and the stylesheet name are
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* going to be the same for most cases.
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*
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* @since 1.5.0
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*
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* @return string Stylesheet name.
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*/
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function get_stylesheet() {
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/**
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* Filters the name of current stylesheet.
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*
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* @since 1.5.0
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*
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* @param string $stylesheet Name of the current stylesheet.
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*/
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return apply_filters( 'stylesheet', get_option( 'stylesheet' ) );
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}
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/**
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* Retrieve stylesheet directory path for current theme.
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*
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* @since 1.5.0
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*
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* @return string Path to current theme directory.
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*/
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function get_stylesheet_directory() {
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$stylesheet = get_stylesheet();
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$theme_root = get_theme_root( $stylesheet );
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$stylesheet_dir = "$theme_root/$stylesheet";
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/**
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* Filters the stylesheet directory path for current theme.
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*
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* @since 1.5.0
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*
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* @param string $stylesheet_dir Absolute path to the current theme.
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* @param string $stylesheet Directory name of the current theme.
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* @param string $theme_root Absolute path to themes directory.
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*/
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return apply_filters( 'stylesheet_directory', $stylesheet_dir, $stylesheet, $theme_root );
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}
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/**
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* Retrieve stylesheet directory URI.
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*
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* @since 1.5.0
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*
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* @return string
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*/
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function get_stylesheet_directory_uri() {
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$stylesheet = str_replace( '%2F', '/', rawurlencode( get_stylesheet() ) );
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$theme_root_uri = get_theme_root_uri( $stylesheet );
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$stylesheet_dir_uri = "$theme_root_uri/$stylesheet";
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/**
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* Filters the stylesheet directory URI.
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*
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* @since 1.5.0
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*
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* @param string $stylesheet_dir_uri Stylesheet directory URI.
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* @param string $stylesheet Name of the activated theme's directory.
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* @param string $theme_root_uri Themes root URI.
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*/
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return apply_filters( 'stylesheet_directory_uri', $stylesheet_dir_uri, $stylesheet, $theme_root_uri );
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}
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/**
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* Retrieves the URI of current theme stylesheet.
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*
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* The stylesheet file name is 'style.css' which is appended to the stylesheet directory URI path.
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* See get_stylesheet_directory_uri().
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*
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* @since 1.5.0
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*
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* @return string
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*/
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function get_stylesheet_uri() {
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$stylesheet_dir_uri = get_stylesheet_directory_uri();
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$stylesheet_uri = $stylesheet_dir_uri . '/style.css';
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/**
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* Filters the URI of the current theme stylesheet.
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*
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* @since 1.5.0
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*
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* @param string $stylesheet_uri Stylesheet URI for the current theme/child theme.
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* @param string $stylesheet_dir_uri Stylesheet directory URI for the current theme/child theme.
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*/
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return apply_filters( 'stylesheet_uri', $stylesheet_uri, $stylesheet_dir_uri );
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}
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/**
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* Retrieves the localized stylesheet URI.
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*
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* The stylesheet directory for the localized stylesheet files are located, by
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* default, in the base theme directory. The name of the locale file will be the
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* locale followed by '.css'. If that does not exist, then the text direction
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* stylesheet will be checked for existence, for example 'ltr.css'.
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*
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* The theme may change the location of the stylesheet directory by either using
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* the {@see 'stylesheet_directory_uri'} or {@see 'locale_stylesheet_uri'} filters.
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*
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* If you want to change the location of the stylesheet files for the entire
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* WordPress workflow, then change the former. If you just have the locale in a
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* separate folder, then change the latter.
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*
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* @since 2.1.0
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*
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* @global WP_Locale $wp_locale
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*
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* @return string
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*/
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function get_locale_stylesheet_uri() {
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global $wp_locale;
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$stylesheet_dir_uri = get_stylesheet_directory_uri();
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$dir = get_stylesheet_directory();
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$locale = get_locale();
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if ( file_exists("$dir/$locale.css") )
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$stylesheet_uri = "$stylesheet_dir_uri/$locale.css";
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elseif ( !empty($wp_locale->text_direction) && file_exists("$dir/{$wp_locale->text_direction}.css") )
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$stylesheet_uri = "$stylesheet_dir_uri/{$wp_locale->text_direction}.css";
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else
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$stylesheet_uri = '';
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/**
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* Filters the localized stylesheet URI.
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*
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* @since 2.1.0
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*
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* @param string $stylesheet_uri Localized stylesheet URI.
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* @param string $stylesheet_dir_uri Stylesheet directory URI.
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*/
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return apply_filters( 'locale_stylesheet_uri', $stylesheet_uri, $stylesheet_dir_uri );
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}
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/**
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* Retrieve name of the current theme.
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*
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* @since 1.5.0
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*
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* @return string Template name.
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*/
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function get_template() {
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/**
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* Filters the name of the current theme.
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*
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* @since 1.5.0
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*
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* @param string $template Current theme's directory name.
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*/
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return apply_filters( 'template', get_option( 'template' ) );
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}
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/**
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* Retrieve current theme directory.
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*
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* @since 1.5.0
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*
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* @return string Template directory path.
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*/
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function get_template_directory() {
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$template = get_template();
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$theme_root = get_theme_root( $template );
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$template_dir = "$theme_root/$template";
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/**
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* Filters the current theme directory path.
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*
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* @since 1.5.0
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*
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* @param string $template_dir The URI of the current theme directory.
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* @param string $template Directory name of the current theme.
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* @param string $theme_root Absolute path to the themes directory.
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*/
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return apply_filters( 'template_directory', $template_dir, $template, $theme_root );
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}
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/**
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* Retrieve theme directory URI.
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*
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* @since 1.5.0
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*
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* @return string Template directory URI.
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*/
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function get_template_directory_uri() {
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$template = str_replace( '%2F', '/', rawurlencode( get_template() ) );
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$theme_root_uri = get_theme_root_uri( $template );
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$template_dir_uri = "$theme_root_uri/$template";
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/**
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* Filters the current theme directory URI.
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*
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* @since 1.5.0
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*
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* @param string $template_dir_uri The URI of the current theme directory.
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* @param string $template Directory name of the current theme.
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* @param string $theme_root_uri The themes root URI.
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*/
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return apply_filters( 'template_directory_uri', $template_dir_uri, $template, $theme_root_uri );
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}
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/**
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* Retrieve theme roots.
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*
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* @since 2.9.0
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*
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* @global array $wp_theme_directories
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*
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* @return array|string An array of theme roots keyed by template/stylesheet or a single theme root if all themes have the same root.
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*/
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function get_theme_roots() {
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global $wp_theme_directories;
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if ( ! is_array( $wp_theme_directories ) || count( $wp_theme_directories ) <= 1 ) {
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return '/themes';
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}
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$theme_roots = get_site_transient( 'theme_roots' );
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if ( false === $theme_roots ) {
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search_theme_directories( true ); // Regenerate the transient.
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$theme_roots = get_site_transient( 'theme_roots' );
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}
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return $theme_roots;
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}
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/**
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* Register a directory that contains themes.
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*
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* @since 2.9.0
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*
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* @global array $wp_theme_directories
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*
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* @param string $directory Either the full filesystem path to a theme folder or a folder within WP_CONTENT_DIR
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* @return bool
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*/
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function register_theme_directory( $directory ) {
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global $wp_theme_directories;
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if ( ! file_exists( $directory ) ) {
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// Try prepending as the theme directory could be relative to the content directory
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$directory = WP_CONTENT_DIR . '/' . $directory;
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// If this directory does not exist, return and do not register
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if ( ! file_exists( $directory ) ) {
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return false;
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}
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}
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if ( ! is_array( $wp_theme_directories ) ) {
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$wp_theme_directories = array();
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}
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$untrailed = untrailingslashit( $directory );
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if ( ! empty( $untrailed ) && ! in_array( $untrailed, $wp_theme_directories ) ) {
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$wp_theme_directories[] = $untrailed;
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}
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return true;
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}
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/**
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* Search all registered theme directories for complete and valid themes.
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*
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* @since 2.9.0
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*
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* @global array $wp_theme_directories
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* @staticvar array $found_themes
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*
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* @param bool $force Optional. Whether to force a new directory scan. Defaults to false.
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* @return array|false Valid themes found
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*/
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function search_theme_directories( $force = false ) {
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global $wp_theme_directories;
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static $found_themes = null;
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if ( empty( $wp_theme_directories ) )
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return false;
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if ( ! $force && isset( $found_themes ) )
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return $found_themes;
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$found_themes = array();
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$wp_theme_directories = (array) $wp_theme_directories;
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$relative_theme_roots = array();
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// Set up maybe-relative, maybe-absolute array of theme directories.
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// We always want to return absolute, but we need to cache relative
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// to use in get_theme_root().
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foreach ( $wp_theme_directories as $theme_root ) {
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if ( 0 === strpos( $theme_root, WP_CONTENT_DIR ) )
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$relative_theme_roots[ str_replace( WP_CONTENT_DIR, '', $theme_root ) ] = $theme_root;
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else
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$relative_theme_roots[ $theme_root ] = $theme_root;
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}
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/**
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* Filters whether to get the cache of the registered theme directories.
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*
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* @since 3.4.0
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*
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* @param bool $cache_expiration Whether to get the cache of the theme directories. Default false.
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* @param string $cache_directory Directory to be searched for the cache.
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*/
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if ( $cache_expiration = apply_filters( 'wp_cache_themes_persistently', false, 'search_theme_directories' ) ) {
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$cached_roots = get_site_transient( 'theme_roots' );
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if ( is_array( $cached_roots ) ) {
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foreach ( $cached_roots as $theme_dir => $theme_root ) {
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// A cached theme root is no longer around, so skip it.
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if ( ! isset( $relative_theme_roots[ $theme_root ] ) )
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continue;
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$found_themes[ $theme_dir ] = array(
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'theme_file' => $theme_dir . '/style.css',
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'theme_root' => $relative_theme_roots[ $theme_root ], // Convert relative to absolute.
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);
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}
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return $found_themes;
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}
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if ( ! is_int( $cache_expiration ) )
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$cache_expiration = 1800; // half hour
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} else {
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$cache_expiration = 1800; // half hour
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}
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|
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/* Loop the registered theme directories and extract all themes */
|
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foreach ( $wp_theme_directories as $theme_root ) {
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// Start with directories in the root of the current theme directory.
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$dirs = @ scandir( $theme_root );
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if ( ! $dirs ) {
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trigger_error( "$theme_root is not readable", E_USER_NOTICE );
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continue;
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}
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foreach ( $dirs as $dir ) {
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if ( ! is_dir( $theme_root . '/' . $dir ) || $dir[0] == '.' || $dir == 'CVS' )
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continue;
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if ( file_exists( $theme_root . '/' . $dir . '/style.css' ) ) {
|
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// wp-content/themes/a-single-theme
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// wp-content/themes is $theme_root, a-single-theme is $dir
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$found_themes[ $dir ] = array(
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'theme_file' => $dir . '/style.css',
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'theme_root' => $theme_root,
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);
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} else {
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$found_theme = false;
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// wp-content/themes/a-folder-of-themes/*
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// wp-content/themes is $theme_root, a-folder-of-themes is $dir, then themes are $sub_dirs
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$sub_dirs = @ scandir( $theme_root . '/' . $dir );
|
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if ( ! $sub_dirs ) {
|
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trigger_error( "$theme_root/$dir is not readable", E_USER_NOTICE );
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continue;
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}
|
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foreach ( $sub_dirs as $sub_dir ) {
|
|
if ( ! is_dir( $theme_root . '/' . $dir . '/' . $sub_dir ) || $dir[0] == '.' || $dir == 'CVS' )
|
|
continue;
|
|
if ( ! file_exists( $theme_root . '/' . $dir . '/' . $sub_dir . '/style.css' ) )
|
|
continue;
|
|
$found_themes[ $dir . '/' . $sub_dir ] = array(
|
|
'theme_file' => $dir . '/' . $sub_dir . '/style.css',
|
|
'theme_root' => $theme_root,
|
|
);
|
|
$found_theme = true;
|
|
}
|
|
// Never mind the above, it's just a theme missing a style.css.
|
|
// Return it; WP_Theme will catch the error.
|
|
if ( ! $found_theme )
|
|
$found_themes[ $dir ] = array(
|
|
'theme_file' => $dir . '/style.css',
|
|
'theme_root' => $theme_root,
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
asort( $found_themes );
|
|
|
|
$theme_roots = array();
|
|
$relative_theme_roots = array_flip( $relative_theme_roots );
|
|
|
|
foreach ( $found_themes as $theme_dir => $theme_data ) {
|
|
$theme_roots[ $theme_dir ] = $relative_theme_roots[ $theme_data['theme_root'] ]; // Convert absolute to relative.
|
|
}
|
|
|
|
if ( $theme_roots != get_site_transient( 'theme_roots' ) )
|
|
set_site_transient( 'theme_roots', $theme_roots, $cache_expiration );
|
|
|
|
return $found_themes;
|
|
}
|
|
|
|
/**
|
|
* Retrieve path to themes directory.
|
|
*
|
|
* Does not have trailing slash.
|
|
*
|
|
* @since 1.5.0
|
|
*
|
|
* @global array $wp_theme_directories
|
|
*
|
|
* @param string $stylesheet_or_template The stylesheet or template name of the theme
|
|
* @return string Theme path.
|
|
*/
|
|
function get_theme_root( $stylesheet_or_template = false ) {
|
|
global $wp_theme_directories;
|
|
|
|
if ( $stylesheet_or_template && $theme_root = get_raw_theme_root( $stylesheet_or_template ) ) {
|
|
// Always prepend WP_CONTENT_DIR unless the root currently registered as a theme directory.
|
|
// This gives relative theme roots the benefit of the doubt when things go haywire.
|
|
if ( ! in_array( $theme_root, (array) $wp_theme_directories ) )
|
|
$theme_root = WP_CONTENT_DIR . $theme_root;
|
|
} else {
|
|
$theme_root = WP_CONTENT_DIR . '/themes';
|
|
}
|
|
|
|
/**
|
|
* Filters the absolute path to the themes directory.
|
|
*
|
|
* @since 1.5.0
|
|
*
|
|
* @param string $theme_root Absolute path to themes directory.
|
|
*/
|
|
return apply_filters( 'theme_root', $theme_root );
|
|
}
|
|
|
|
/**
|
|
* Retrieve URI for themes directory.
|
|
*
|
|
* Does not have trailing slash.
|
|
*
|
|
* @since 1.5.0
|
|
*
|
|
* @global array $wp_theme_directories
|
|
*
|
|
* @param string $stylesheet_or_template Optional. The stylesheet or template name of the theme.
|
|
* Default is to leverage the main theme root.
|
|
* @param string $theme_root Optional. The theme root for which calculations will be based, preventing
|
|
* the need for a get_raw_theme_root() call.
|
|
* @return string Themes URI.
|
|
*/
|
|
function get_theme_root_uri( $stylesheet_or_template = false, $theme_root = false ) {
|
|
global $wp_theme_directories;
|
|
|
|
if ( $stylesheet_or_template && ! $theme_root )
|
|
$theme_root = get_raw_theme_root( $stylesheet_or_template );
|
|
|
|
if ( $stylesheet_or_template && $theme_root ) {
|
|
if ( in_array( $theme_root, (array) $wp_theme_directories ) ) {
|
|
// Absolute path. Make an educated guess. YMMV -- but note the filter below.
|
|
if ( 0 === strpos( $theme_root, WP_CONTENT_DIR ) )
|
|
$theme_root_uri = content_url( str_replace( WP_CONTENT_DIR, '', $theme_root ) );
|
|
elseif ( 0 === strpos( $theme_root, ABSPATH ) )
|
|
$theme_root_uri = site_url( str_replace( ABSPATH, '', $theme_root ) );
|
|
elseif ( 0 === strpos( $theme_root, WP_PLUGIN_DIR ) || 0 === strpos( $theme_root, WPMU_PLUGIN_DIR ) )
|
|
$theme_root_uri = plugins_url( basename( $theme_root ), $theme_root );
|
|
else
|
|
$theme_root_uri = $theme_root;
|
|
} else {
|
|
$theme_root_uri = content_url( $theme_root );
|
|
}
|
|
} else {
|
|
$theme_root_uri = content_url( 'themes' );
|
|
}
|
|
|
|
/**
|
|
* Filters the URI for themes directory.
|
|
*
|
|
* @since 1.5.0
|
|
*
|
|
* @param string $theme_root_uri The URI for themes directory.
|
|
* @param string $siteurl WordPress web address which is set in General Options.
|
|
* @param string $stylesheet_or_template Stylesheet or template name of the theme.
|
|
*/
|
|
return apply_filters( 'theme_root_uri', $theme_root_uri, get_option( 'siteurl' ), $stylesheet_or_template );
|
|
}
|
|
|
|
/**
|
|
* Get the raw theme root relative to the content directory with no filters applied.
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @global array $wp_theme_directories
|
|
*
|
|
* @param string $stylesheet_or_template The stylesheet or template name of the theme
|
|
* @param bool $skip_cache Optional. Whether to skip the cache.
|
|
* Defaults to false, meaning the cache is used.
|
|
* @return string Theme root
|
|
*/
|
|
function get_raw_theme_root( $stylesheet_or_template, $skip_cache = false ) {
|
|
global $wp_theme_directories;
|
|
|
|
if ( ! is_array( $wp_theme_directories ) || count( $wp_theme_directories ) <= 1 ) {
|
|
return '/themes';
|
|
}
|
|
|
|
$theme_root = false;
|
|
|
|
// If requesting the root for the current theme, consult options to avoid calling get_theme_roots()
|
|
if ( ! $skip_cache ) {
|
|
if ( get_option('stylesheet') == $stylesheet_or_template )
|
|
$theme_root = get_option('stylesheet_root');
|
|
elseif ( get_option('template') == $stylesheet_or_template )
|
|
$theme_root = get_option('template_root');
|
|
}
|
|
|
|
if ( empty($theme_root) ) {
|
|
$theme_roots = get_theme_roots();
|
|
if ( !empty($theme_roots[$stylesheet_or_template]) )
|
|
$theme_root = $theme_roots[$stylesheet_or_template];
|
|
}
|
|
|
|
return $theme_root;
|
|
}
|
|
|
|
/**
|
|
* Display localized stylesheet link element.
|
|
*
|
|
* @since 2.1.0
|
|
*/
|
|
function locale_stylesheet() {
|
|
$stylesheet = get_locale_stylesheet_uri();
|
|
if ( empty($stylesheet) )
|
|
return;
|
|
echo '<link rel="stylesheet" href="' . $stylesheet . '" type="text/css" media="screen" />';
|
|
}
|
|
|
|
/**
|
|
* Switches the theme.
|
|
*
|
|
* Accepts one argument: $stylesheet of the theme. It also accepts an additional function signature
|
|
* of two arguments: $template then $stylesheet. This is for backward compatibility.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @global array $wp_theme_directories
|
|
* @global WP_Customize_Manager $wp_customize
|
|
* @global array $sidebars_widgets
|
|
*
|
|
* @param string $stylesheet Stylesheet name
|
|
*/
|
|
function switch_theme( $stylesheet ) {
|
|
global $wp_theme_directories, $wp_customize, $sidebars_widgets;
|
|
|
|
$_sidebars_widgets = null;
|
|
if ( 'wp_ajax_customize_save' === current_action() ) {
|
|
$old_sidebars_widgets_data_setting = $wp_customize->get_setting( 'old_sidebars_widgets_data' );
|
|
if ( $old_sidebars_widgets_data_setting ) {
|
|
$_sidebars_widgets = $wp_customize->post_value( $old_sidebars_widgets_data_setting );
|
|
}
|
|
} elseif ( is_array( $sidebars_widgets ) ) {
|
|
$_sidebars_widgets = $sidebars_widgets;
|
|
}
|
|
|
|
if ( is_array( $_sidebars_widgets ) ) {
|
|
set_theme_mod( 'sidebars_widgets', array( 'time' => time(), 'data' => $_sidebars_widgets ) );
|
|
}
|
|
|
|
$nav_menu_locations = get_theme_mod( 'nav_menu_locations' );
|
|
update_option( 'theme_switch_menu_locations', $nav_menu_locations );
|
|
|
|
if ( func_num_args() > 1 ) {
|
|
$stylesheet = func_get_arg( 1 );
|
|
}
|
|
|
|
$old_theme = wp_get_theme();
|
|
$new_theme = wp_get_theme( $stylesheet );
|
|
$template = $new_theme->get_template();
|
|
|
|
update_option( 'template', $template );
|
|
update_option( 'stylesheet', $stylesheet );
|
|
|
|
if ( count( $wp_theme_directories ) > 1 ) {
|
|
update_option( 'template_root', get_raw_theme_root( $template, true ) );
|
|
update_option( 'stylesheet_root', get_raw_theme_root( $stylesheet, true ) );
|
|
} else {
|
|
delete_option( 'template_root' );
|
|
delete_option( 'stylesheet_root' );
|
|
}
|
|
|
|
$new_name = $new_theme->get('Name');
|
|
|
|
update_option( 'current_theme', $new_name );
|
|
|
|
// Migrate from the old mods_{name} option to theme_mods_{slug}.
|
|
if ( is_admin() && false === get_option( 'theme_mods_' . $stylesheet ) ) {
|
|
$default_theme_mods = (array) get_option( 'mods_' . $new_name );
|
|
if ( ! empty( $nav_menu_locations ) && empty( $default_theme_mods['nav_menu_locations'] ) ) {
|
|
$default_theme_mods['nav_menu_locations'] = $nav_menu_locations;
|
|
}
|
|
add_option( "theme_mods_$stylesheet", $default_theme_mods );
|
|
} else {
|
|
/*
|
|
* Since retrieve_widgets() is called when initializing a theme in the Customizer,
|
|
* we need to remove the theme mods to avoid overwriting changes made via
|
|
* the Customizer when accessing wp-admin/widgets.php.
|
|
*/
|
|
if ( 'wp_ajax_customize_save' === current_action() ) {
|
|
remove_theme_mod( 'sidebars_widgets' );
|
|
}
|
|
}
|
|
|
|
update_option( 'theme_switched', $old_theme->get_stylesheet() );
|
|
|
|
/**
|
|
* Fires after the theme is switched.
|
|
*
|
|
* @since 1.5.0
|
|
* @since 4.5.0 Introduced the `$old_theme` parameter.
|
|
*
|
|
* @param string $new_name Name of the new theme.
|
|
* @param WP_Theme $new_theme WP_Theme instance of the new theme.
|
|
* @param WP_Theme $old_theme WP_Theme instance of the old theme.
|
|
*/
|
|
do_action( 'switch_theme', $new_name, $new_theme, $old_theme );
|
|
}
|
|
|
|
/**
|
|
* Checks that current theme files 'index.php' and 'style.css' exists.
|
|
*
|
|
* Does not initially check the default theme, which is the fallback and should always exist.
|
|
* But if it doesn't exist, it'll fall back to the latest core default theme that does exist.
|
|
* Will switch theme to the fallback theme if current theme does not validate.
|
|
*
|
|
* You can use the {@see 'validate_current_theme'} filter to return false to
|
|
* disable this functionality.
|
|
*
|
|
* @since 1.5.0
|
|
* @see WP_DEFAULT_THEME
|
|
*
|
|
* @return bool
|
|
*/
|
|
function validate_current_theme() {
|
|
/**
|
|
* Filters whether to validate the current theme.
|
|
*
|
|
* @since 2.7.0
|
|
*
|
|
* @param bool $validate Whether to validate the current theme. Default true.
|
|
*/
|
|
if ( wp_installing() || ! apply_filters( 'validate_current_theme', true ) )
|
|
return true;
|
|
|
|
if ( ! file_exists( get_template_directory() . '/index.php' ) ) {
|
|
// Invalid.
|
|
} elseif ( ! file_exists( get_template_directory() . '/style.css' ) ) {
|
|
// Invalid.
|
|
} elseif ( is_child_theme() && ! file_exists( get_stylesheet_directory() . '/style.css' ) ) {
|
|
// Invalid.
|
|
} else {
|
|
// Valid.
|
|
return true;
|
|
}
|
|
|
|
$default = wp_get_theme( WP_DEFAULT_THEME );
|
|
if ( $default->exists() ) {
|
|
switch_theme( WP_DEFAULT_THEME );
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* If we're in an invalid state but WP_DEFAULT_THEME doesn't exist,
|
|
* switch to the latest core default theme that's installed.
|
|
* If it turns out that this latest core default theme is our current
|
|
* theme, then there's nothing we can do about that, so we have to bail,
|
|
* rather than going into an infinite loop. (This is why there are
|
|
* checks against WP_DEFAULT_THEME above, also.) We also can't do anything
|
|
* if it turns out there is no default theme installed. (That's `false`.)
|
|
*/
|
|
$default = WP_Theme::get_core_default_theme();
|
|
if ( false === $default || get_stylesheet() == $default->get_stylesheet() ) {
|
|
return true;
|
|
}
|
|
|
|
switch_theme( $default->get_stylesheet() );
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Retrieve all theme modifications.
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @return array|void Theme modifications.
|
|
*/
|
|
function get_theme_mods() {
|
|
$theme_slug = get_option( 'stylesheet' );
|
|
$mods = get_option( "theme_mods_$theme_slug" );
|
|
if ( false === $mods ) {
|
|
$theme_name = get_option( 'current_theme' );
|
|
if ( false === $theme_name )
|
|
$theme_name = wp_get_theme()->get('Name');
|
|
$mods = get_option( "mods_$theme_name" ); // Deprecated location.
|
|
if ( is_admin() && false !== $mods ) {
|
|
update_option( "theme_mods_$theme_slug", $mods );
|
|
delete_option( "mods_$theme_name" );
|
|
}
|
|
}
|
|
return $mods;
|
|
}
|
|
|
|
/**
|
|
* Retrieve theme modification value for the current theme.
|
|
*
|
|
* If the modification name does not exist, then the $default will be passed
|
|
* through {@link https://secure.php.net/sprintf sprintf()} PHP function with the first
|
|
* string the template directory URI and the second string the stylesheet
|
|
* directory URI.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @param string $name Theme modification name.
|
|
* @param bool|string $default
|
|
* @return string
|
|
*/
|
|
function get_theme_mod( $name, $default = false ) {
|
|
$mods = get_theme_mods();
|
|
|
|
if ( isset( $mods[$name] ) ) {
|
|
/**
|
|
* Filters the theme modification, or 'theme_mod', value.
|
|
*
|
|
* The dynamic portion of the hook name, `$name`, refers to
|
|
* the key name of the modification array. For example,
|
|
* 'header_textcolor', 'header_image', and so on depending
|
|
* on the theme options.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param string $current_mod The value of the current theme modification.
|
|
*/
|
|
return apply_filters( "theme_mod_{$name}", $mods[$name] );
|
|
}
|
|
|
|
if ( is_string( $default ) )
|
|
$default = sprintf( $default, get_template_directory_uri(), get_stylesheet_directory_uri() );
|
|
|
|
/** This filter is documented in wp-includes/theme.php */
|
|
return apply_filters( "theme_mod_{$name}", $default );
|
|
}
|
|
|
|
/**
|
|
* Update theme modification value for the current theme.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @param string $name Theme modification name.
|
|
* @param mixed $value Theme modification value.
|
|
*/
|
|
function set_theme_mod( $name, $value ) {
|
|
$mods = get_theme_mods();
|
|
$old_value = isset( $mods[ $name ] ) ? $mods[ $name ] : false;
|
|
|
|
/**
|
|
* Filters the theme mod value on save.
|
|
*
|
|
* The dynamic portion of the hook name, `$name`, refers to the key name of
|
|
* the modification array. For example, 'header_textcolor', 'header_image',
|
|
* and so on depending on the theme options.
|
|
*
|
|
* @since 3.9.0
|
|
*
|
|
* @param string $value The new value of the theme mod.
|
|
* @param string $old_value The current value of the theme mod.
|
|
*/
|
|
$mods[ $name ] = apply_filters( "pre_set_theme_mod_{$name}", $value, $old_value );
|
|
|
|
$theme = get_option( 'stylesheet' );
|
|
update_option( "theme_mods_$theme", $mods );
|
|
}
|
|
|
|
/**
|
|
* Remove theme modification name from current theme list.
|
|
*
|
|
* If removing the name also removes all elements, then the entire option will
|
|
* be removed.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @param string $name Theme modification name.
|
|
*/
|
|
function remove_theme_mod( $name ) {
|
|
$mods = get_theme_mods();
|
|
|
|
if ( ! isset( $mods[ $name ] ) )
|
|
return;
|
|
|
|
unset( $mods[ $name ] );
|
|
|
|
if ( empty( $mods ) ) {
|
|
remove_theme_mods();
|
|
return;
|
|
}
|
|
$theme = get_option( 'stylesheet' );
|
|
update_option( "theme_mods_$theme", $mods );
|
|
}
|
|
|
|
/**
|
|
* Remove theme modifications option for current theme.
|
|
*
|
|
* @since 2.1.0
|
|
*/
|
|
function remove_theme_mods() {
|
|
delete_option( 'theme_mods_' . get_option( 'stylesheet' ) );
|
|
|
|
// Old style.
|
|
$theme_name = get_option( 'current_theme' );
|
|
if ( false === $theme_name )
|
|
$theme_name = wp_get_theme()->get('Name');
|
|
delete_option( 'mods_' . $theme_name );
|
|
}
|
|
|
|
/**
|
|
* Retrieves the custom header text color in 3- or 6-digit hexadecimal form.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @return string Header text color in 3- or 6-digit hexadecimal form (minus the hash symbol).
|
|
*/
|
|
function get_header_textcolor() {
|
|
return get_theme_mod('header_textcolor', get_theme_support( 'custom-header', 'default-text-color' ) );
|
|
}
|
|
|
|
/**
|
|
* Displays the custom header text color in 3- or 6-digit hexadecimal form (minus the hash symbol).
|
|
*
|
|
* @since 2.1.0
|
|
*/
|
|
function header_textcolor() {
|
|
echo get_header_textcolor();
|
|
}
|
|
|
|
/**
|
|
* Whether to display the header text.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @return bool
|
|
*/
|
|
function display_header_text() {
|
|
if ( ! current_theme_supports( 'custom-header', 'header-text' ) )
|
|
return false;
|
|
|
|
$text_color = get_theme_mod( 'header_textcolor', get_theme_support( 'custom-header', 'default-text-color' ) );
|
|
return 'blank' !== $text_color;
|
|
}
|
|
|
|
/**
|
|
* Check whether a header image is set or not.
|
|
*
|
|
* @since 4.2.0
|
|
*
|
|
* @see get_header_image()
|
|
*
|
|
* @return bool Whether a header image is set or not.
|
|
*/
|
|
function has_header_image() {
|
|
return (bool) get_header_image();
|
|
}
|
|
|
|
/**
|
|
* Retrieve header image for custom header.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @return string|false
|
|
*/
|
|
function get_header_image() {
|
|
$url = get_theme_mod( 'header_image', get_theme_support( 'custom-header', 'default-image' ) );
|
|
|
|
if ( 'remove-header' == $url )
|
|
return false;
|
|
|
|
if ( is_random_header_image() )
|
|
$url = get_random_header_image();
|
|
|
|
return esc_url_raw( set_url_scheme( $url ) );
|
|
}
|
|
|
|
/**
|
|
* Create image tag markup for a custom header image.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @param array $attr Optional. Additional attributes for the image tag. Can be used
|
|
* to override the default attributes. Default empty.
|
|
* @return string HTML image element markup or empty string on failure.
|
|
*/
|
|
function get_header_image_tag( $attr = array() ) {
|
|
$header = get_custom_header();
|
|
$header->url = get_header_image();
|
|
|
|
if ( ! $header->url ) {
|
|
return '';
|
|
}
|
|
|
|
$width = absint( $header->width );
|
|
$height = absint( $header->height );
|
|
|
|
$attr = wp_parse_args(
|
|
$attr,
|
|
array(
|
|
'src' => $header->url,
|
|
'width' => $width,
|
|
'height' => $height,
|
|
'alt' => get_bloginfo( 'name' ),
|
|
)
|
|
);
|
|
|
|
// Generate 'srcset' and 'sizes' if not already present.
|
|
if ( empty( $attr['srcset'] ) && ! empty( $header->attachment_id ) ) {
|
|
$image_meta = get_post_meta( $header->attachment_id, '_wp_attachment_metadata', true );
|
|
$size_array = array( $width, $height );
|
|
|
|
if ( is_array( $image_meta ) ) {
|
|
$srcset = wp_calculate_image_srcset( $size_array, $header->url, $image_meta, $header->attachment_id );
|
|
$sizes = ! empty( $attr['sizes'] ) ? $attr['sizes'] : wp_calculate_image_sizes( $size_array, $header->url, $image_meta, $header->attachment_id );
|
|
|
|
if ( $srcset && $sizes ) {
|
|
$attr['srcset'] = $srcset;
|
|
$attr['sizes'] = $sizes;
|
|
}
|
|
}
|
|
}
|
|
|
|
$attr = array_map( 'esc_attr', $attr );
|
|
$html = '<img';
|
|
|
|
foreach ( $attr as $name => $value ) {
|
|
$html .= ' ' . $name . '="' . $value . '"';
|
|
}
|
|
|
|
$html .= ' />';
|
|
|
|
/**
|
|
* Filters the markup of header images.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @param string $html The HTML image tag markup being filtered.
|
|
* @param object $header The custom header object returned by 'get_custom_header()'.
|
|
* @param array $attr Array of the attributes for the image tag.
|
|
*/
|
|
return apply_filters( 'get_header_image_tag', $html, $header, $attr );
|
|
}
|
|
|
|
/**
|
|
* Display the image markup for a custom header image.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @param array $attr Optional. Attributes for the image markup. Default empty.
|
|
*/
|
|
function the_header_image_tag( $attr = array() ) {
|
|
echo get_header_image_tag( $attr );
|
|
}
|
|
|
|
/**
|
|
* Get random header image data from registered images in theme.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @access private
|
|
*
|
|
* @global array $_wp_default_headers
|
|
* @staticvar object $_wp_random_header
|
|
*
|
|
* @return object
|
|
*/
|
|
function _get_random_header_data() {
|
|
static $_wp_random_header = null;
|
|
|
|
if ( empty( $_wp_random_header ) ) {
|
|
global $_wp_default_headers;
|
|
$header_image_mod = get_theme_mod( 'header_image', '' );
|
|
$headers = array();
|
|
|
|
if ( 'random-uploaded-image' == $header_image_mod )
|
|
$headers = get_uploaded_header_images();
|
|
elseif ( ! empty( $_wp_default_headers ) ) {
|
|
if ( 'random-default-image' == $header_image_mod ) {
|
|
$headers = $_wp_default_headers;
|
|
} else {
|
|
if ( current_theme_supports( 'custom-header', 'random-default' ) )
|
|
$headers = $_wp_default_headers;
|
|
}
|
|
}
|
|
|
|
if ( empty( $headers ) )
|
|
return new stdClass;
|
|
|
|
$_wp_random_header = (object) $headers[ array_rand( $headers ) ];
|
|
|
|
$_wp_random_header->url = sprintf( $_wp_random_header->url, get_template_directory_uri(), get_stylesheet_directory_uri() );
|
|
$_wp_random_header->thumbnail_url = sprintf( $_wp_random_header->thumbnail_url, get_template_directory_uri(), get_stylesheet_directory_uri() );
|
|
}
|
|
return $_wp_random_header;
|
|
}
|
|
|
|
/**
|
|
* Get random header image url from registered images in theme.
|
|
*
|
|
* @since 3.2.0
|
|
*
|
|
* @return string Path to header image
|
|
*/
|
|
function get_random_header_image() {
|
|
$random_image = _get_random_header_data();
|
|
if ( empty( $random_image->url ) )
|
|
return '';
|
|
return $random_image->url;
|
|
}
|
|
|
|
/**
|
|
* Check if random header image is in use.
|
|
*
|
|
* Always true if user expressly chooses the option in Appearance > Header.
|
|
* Also true if theme has multiple header images registered, no specific header image
|
|
* is chosen, and theme turns on random headers with add_theme_support().
|
|
*
|
|
* @since 3.2.0
|
|
*
|
|
* @param string $type The random pool to use. any|default|uploaded
|
|
* @return bool
|
|
*/
|
|
function is_random_header_image( $type = 'any' ) {
|
|
$header_image_mod = get_theme_mod( 'header_image', get_theme_support( 'custom-header', 'default-image' ) );
|
|
|
|
if ( 'any' == $type ) {
|
|
if ( 'random-default-image' == $header_image_mod || 'random-uploaded-image' == $header_image_mod || ( '' != get_random_header_image() && empty( $header_image_mod ) ) )
|
|
return true;
|
|
} else {
|
|
if ( "random-$type-image" == $header_image_mod )
|
|
return true;
|
|
elseif ( 'default' == $type && empty( $header_image_mod ) && '' != get_random_header_image() )
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Display header image URL.
|
|
*
|
|
* @since 2.1.0
|
|
*/
|
|
function header_image() {
|
|
$image = get_header_image();
|
|
if ( $image ) {
|
|
echo esc_url( $image );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the header images uploaded for the current theme.
|
|
*
|
|
* @since 3.2.0
|
|
*
|
|
* @return array
|
|
*/
|
|
function get_uploaded_header_images() {
|
|
$header_images = array();
|
|
|
|
// @todo caching
|
|
$headers = get_posts( array( 'post_type' => 'attachment', 'meta_key' => '_wp_attachment_is_custom_header', 'meta_value' => get_option('stylesheet'), 'orderby' => 'none', 'nopaging' => true ) );
|
|
|
|
if ( empty( $headers ) )
|
|
return array();
|
|
|
|
foreach ( (array) $headers as $header ) {
|
|
$url = esc_url_raw( wp_get_attachment_url( $header->ID ) );
|
|
$header_data = wp_get_attachment_metadata( $header->ID );
|
|
$header_index = $header->ID;
|
|
|
|
$header_images[$header_index] = array();
|
|
$header_images[$header_index]['attachment_id'] = $header->ID;
|
|
$header_images[$header_index]['url'] = $url;
|
|
$header_images[$header_index]['thumbnail_url'] = $url;
|
|
$header_images[$header_index]['alt_text'] = get_post_meta( $header->ID, '_wp_attachment_image_alt', true );
|
|
$header_images[$header_index]['attachment_parent'] = isset( $header_data['attachment_parent'] ) ? $header_data['attachment_parent'] : '';
|
|
|
|
if ( isset( $header_data['width'] ) )
|
|
$header_images[$header_index]['width'] = $header_data['width'];
|
|
if ( isset( $header_data['height'] ) )
|
|
$header_images[$header_index]['height'] = $header_data['height'];
|
|
}
|
|
|
|
return $header_images;
|
|
}
|
|
|
|
/**
|
|
* Get the header image data.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @global array $_wp_default_headers
|
|
*
|
|
* @return object
|
|
*/
|
|
function get_custom_header() {
|
|
global $_wp_default_headers;
|
|
|
|
if ( is_random_header_image() ) {
|
|
$data = _get_random_header_data();
|
|
} else {
|
|
$data = get_theme_mod( 'header_image_data' );
|
|
if ( ! $data && current_theme_supports( 'custom-header', 'default-image' ) ) {
|
|
$directory_args = array( get_template_directory_uri(), get_stylesheet_directory_uri() );
|
|
$data = array();
|
|
$data['url'] = $data['thumbnail_url'] = vsprintf( get_theme_support( 'custom-header', 'default-image' ), $directory_args );
|
|
if ( ! empty( $_wp_default_headers ) ) {
|
|
foreach ( (array) $_wp_default_headers as $default_header ) {
|
|
$url = vsprintf( $default_header['url'], $directory_args );
|
|
if ( $data['url'] == $url ) {
|
|
$data = $default_header;
|
|
$data['url'] = $url;
|
|
$data['thumbnail_url'] = vsprintf( $data['thumbnail_url'], $directory_args );
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
$default = array(
|
|
'url' => '',
|
|
'thumbnail_url' => '',
|
|
'width' => get_theme_support( 'custom-header', 'width' ),
|
|
'height' => get_theme_support( 'custom-header', 'height' ),
|
|
'video' => get_theme_support( 'custom-header', 'video' ),
|
|
);
|
|
return (object) wp_parse_args( $data, $default );
|
|
}
|
|
|
|
/**
|
|
* Register a selection of default headers to be displayed by the custom header admin UI.
|
|
*
|
|
* @since 3.0.0
|
|
*
|
|
* @global array $_wp_default_headers
|
|
*
|
|
* @param array $headers Array of headers keyed by a string id. The ids point to arrays containing 'url', 'thumbnail_url', and 'description' keys.
|
|
*/
|
|
function register_default_headers( $headers ) {
|
|
global $_wp_default_headers;
|
|
|
|
$_wp_default_headers = array_merge( (array) $_wp_default_headers, (array) $headers );
|
|
}
|
|
|
|
/**
|
|
* Unregister default headers.
|
|
*
|
|
* This function must be called after register_default_headers() has already added the
|
|
* header you want to remove.
|
|
*
|
|
* @see register_default_headers()
|
|
* @since 3.0.0
|
|
*
|
|
* @global array $_wp_default_headers
|
|
*
|
|
* @param string|array $header The header string id (key of array) to remove, or an array thereof.
|
|
* @return bool|void A single header returns true on success, false on failure.
|
|
* There is currently no return value for multiple headers.
|
|
*/
|
|
function unregister_default_headers( $header ) {
|
|
global $_wp_default_headers;
|
|
if ( is_array( $header ) ) {
|
|
array_map( 'unregister_default_headers', $header );
|
|
} elseif ( isset( $_wp_default_headers[ $header ] ) ) {
|
|
unset( $_wp_default_headers[ $header ] );
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check whether a header video is set or not.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @see get_header_video_url()
|
|
*
|
|
* @return bool Whether a header video is set or not.
|
|
*/
|
|
function has_header_video() {
|
|
return (bool) get_header_video_url();
|
|
}
|
|
|
|
/**
|
|
* Retrieve header video URL for custom header.
|
|
*
|
|
* Uses a local video if present, or falls back to an external video.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @return string|false Header video URL or false if there is no video.
|
|
*/
|
|
function get_header_video_url() {
|
|
$id = absint( get_theme_mod( 'header_video' ) );
|
|
$url = esc_url( get_theme_mod( 'external_header_video' ) );
|
|
|
|
if ( $id ) {
|
|
// Get the file URL from the attachment ID.
|
|
$url = wp_get_attachment_url( $id );
|
|
}
|
|
|
|
/**
|
|
* Filters the header video URL.
|
|
*
|
|
* @since 4.7.3
|
|
*
|
|
* @param string $url Header video URL, if available.
|
|
*/
|
|
$url = apply_filters( 'get_header_video_url', $url );
|
|
|
|
if ( ! $id && ! $url ) {
|
|
return false;
|
|
}
|
|
|
|
return esc_url_raw( set_url_scheme( $url ) );
|
|
}
|
|
|
|
/**
|
|
* Display header video URL.
|
|
*
|
|
* @since 4.7.0
|
|
*/
|
|
function the_header_video_url() {
|
|
$video = get_header_video_url();
|
|
if ( $video ) {
|
|
echo esc_url( $video );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Retrieve header video settings.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @return array
|
|
*/
|
|
function get_header_video_settings() {
|
|
$header = get_custom_header();
|
|
$video_url = get_header_video_url();
|
|
$video_type = wp_check_filetype( $video_url, wp_get_mime_types() );
|
|
|
|
$settings = array(
|
|
'mimeType' => '',
|
|
'posterUrl' => get_header_image(),
|
|
'videoUrl' => $video_url,
|
|
'width' => absint( $header->width ),
|
|
'height' => absint( $header->height ),
|
|
'minWidth' => 900,
|
|
'minHeight' => 500,
|
|
'l10n' => array(
|
|
'pause' => __( 'Pause' ),
|
|
'play' => __( 'Play' ),
|
|
'pauseSpeak' => __( 'Video is paused.'),
|
|
'playSpeak' => __( 'Video is playing.'),
|
|
),
|
|
);
|
|
|
|
if ( preg_match( '#^https?://(?:www\.)?(?:youtube\.com/watch|youtu\.be/)#', $video_url ) ) {
|
|
$settings['mimeType'] = 'video/x-youtube';
|
|
} elseif ( ! empty( $video_type['type'] ) ) {
|
|
$settings['mimeType'] = $video_type['type'];
|
|
}
|
|
|
|
return apply_filters( 'header_video_settings', $settings );
|
|
}
|
|
|
|
/**
|
|
* Check whether a custom header is set or not.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @return bool True if a custom header is set. False if not.
|
|
*/
|
|
function has_custom_header() {
|
|
if ( has_header_image() || ( has_header_video() && is_header_video_active() ) ) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Checks whether the custom header video is eligible to show on the current page.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @return bool True if the custom header video should be shown. False if not.
|
|
*/
|
|
function is_header_video_active() {
|
|
if ( ! get_theme_support( 'custom-header', 'video' ) ) {
|
|
return false;
|
|
}
|
|
|
|
$video_active_cb = get_theme_support( 'custom-header', 'video-active-callback' );
|
|
|
|
if ( empty( $video_active_cb ) || ! is_callable( $video_active_cb ) ) {
|
|
$show_video = true;
|
|
} else {
|
|
$show_video = call_user_func( $video_active_cb );
|
|
}
|
|
|
|
/**
|
|
* Modify whether the custom header video is eligible to show on the current page.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @param bool $show_video Whether the custom header video should be shown. Returns the value
|
|
* of the theme setting for the `custom-header`'s `video-active-callback`.
|
|
* If no callback is set, the default value is that of `is_front_page()`.
|
|
*/
|
|
return apply_filters( 'is_header_video_active', $show_video );
|
|
}
|
|
|
|
/**
|
|
* Retrieve the markup for a custom header.
|
|
*
|
|
* The container div will always be returned in the Customizer preview.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @return string The markup for a custom header on success.
|
|
*/
|
|
function get_custom_header_markup() {
|
|
if ( ! has_custom_header() && ! is_customize_preview() ) {
|
|
return '';
|
|
}
|
|
|
|
return sprintf(
|
|
'<div id="wp-custom-header" class="wp-custom-header">%s</div>',
|
|
get_header_image_tag()
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Print the markup for a custom header.
|
|
*
|
|
* A container div will always be printed in the Customizer preview.
|
|
*
|
|
* @since 4.7.0
|
|
*/
|
|
function the_custom_header_markup() {
|
|
$custom_header = get_custom_header_markup();
|
|
if ( empty( $custom_header ) ) {
|
|
return;
|
|
}
|
|
|
|
echo $custom_header;
|
|
|
|
if ( is_header_video_active() && ( has_header_video() || is_customize_preview() ) ) {
|
|
wp_enqueue_script( 'wp-custom-header' );
|
|
wp_localize_script( 'wp-custom-header', '_wpCustomHeaderSettings', get_header_video_settings() );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Retrieve background image for custom background.
|
|
*
|
|
* @since 3.0.0
|
|
*
|
|
* @return string
|
|
*/
|
|
function get_background_image() {
|
|
return get_theme_mod('background_image', get_theme_support( 'custom-background', 'default-image' ) );
|
|
}
|
|
|
|
/**
|
|
* Display background image path.
|
|
*
|
|
* @since 3.0.0
|
|
*/
|
|
function background_image() {
|
|
echo get_background_image();
|
|
}
|
|
|
|
/**
|
|
* Retrieve value for custom background color.
|
|
*
|
|
* @since 3.0.0
|
|
*
|
|
* @return string
|
|
*/
|
|
function get_background_color() {
|
|
return get_theme_mod('background_color', get_theme_support( 'custom-background', 'default-color' ) );
|
|
}
|
|
|
|
/**
|
|
* Display background color value.
|
|
*
|
|
* @since 3.0.0
|
|
*/
|
|
function background_color() {
|
|
echo get_background_color();
|
|
}
|
|
|
|
/**
|
|
* Default custom background callback.
|
|
*
|
|
* @since 3.0.0
|
|
*/
|
|
function _custom_background_cb() {
|
|
// $background is the saved custom image, or the default image.
|
|
$background = set_url_scheme( get_background_image() );
|
|
|
|
// $color is the saved custom color.
|
|
// A default has to be specified in style.css. It will not be printed here.
|
|
$color = get_background_color();
|
|
|
|
if ( $color === get_theme_support( 'custom-background', 'default-color' ) ) {
|
|
$color = false;
|
|
}
|
|
|
|
if ( ! $background && ! $color ) {
|
|
if ( is_customize_preview() ) {
|
|
echo '<style type="text/css" id="custom-background-css"></style>';
|
|
}
|
|
return;
|
|
}
|
|
|
|
$style = $color ? "background-color: #$color;" : '';
|
|
|
|
if ( $background ) {
|
|
$image = ' background-image: url("' . esc_url_raw( $background ) . '");';
|
|
|
|
// Background Position.
|
|
$position_x = get_theme_mod( 'background_position_x', get_theme_support( 'custom-background', 'default-position-x' ) );
|
|
$position_y = get_theme_mod( 'background_position_y', get_theme_support( 'custom-background', 'default-position-y' ) );
|
|
|
|
if ( ! in_array( $position_x, array( 'left', 'center', 'right' ), true ) ) {
|
|
$position_x = 'left';
|
|
}
|
|
|
|
if ( ! in_array( $position_y, array( 'top', 'center', 'bottom' ), true ) ) {
|
|
$position_y = 'top';
|
|
}
|
|
|
|
$position = " background-position: $position_x $position_y;";
|
|
|
|
// Background Size.
|
|
$size = get_theme_mod( 'background_size', get_theme_support( 'custom-background', 'default-size' ) );
|
|
|
|
if ( ! in_array( $size, array( 'auto', 'contain', 'cover' ), true ) ) {
|
|
$size = 'auto';
|
|
}
|
|
|
|
$size = " background-size: $size;";
|
|
|
|
// Background Repeat.
|
|
$repeat = get_theme_mod( 'background_repeat', get_theme_support( 'custom-background', 'default-repeat' ) );
|
|
|
|
if ( ! in_array( $repeat, array( 'repeat-x', 'repeat-y', 'repeat', 'no-repeat' ), true ) ) {
|
|
$repeat = 'repeat';
|
|
}
|
|
|
|
$repeat = " background-repeat: $repeat;";
|
|
|
|
// Background Scroll.
|
|
$attachment = get_theme_mod( 'background_attachment', get_theme_support( 'custom-background', 'default-attachment' ) );
|
|
|
|
if ( 'fixed' !== $attachment ) {
|
|
$attachment = 'scroll';
|
|
}
|
|
|
|
$attachment = " background-attachment: $attachment;";
|
|
|
|
$style .= $image . $position . $size . $repeat . $attachment;
|
|
}
|
|
?>
|
|
<style type="text/css" id="custom-background-css">
|
|
body.custom-background { <?php echo trim( $style ); ?> }
|
|
</style>
|
|
<?php
|
|
}
|
|
|
|
/**
|
|
* Render the Custom CSS style element.
|
|
*
|
|
* @since 4.7.0
|
|
*/
|
|
function wp_custom_css_cb() {
|
|
$styles = wp_get_custom_css();
|
|
if ( $styles || is_customize_preview() ) : ?>
|
|
<style type="text/css" id="wp-custom-css">
|
|
<?php echo strip_tags( $styles ); // Note that esc_html() cannot be used because `div > span` is not interpreted properly. ?>
|
|
</style>
|
|
<?php endif;
|
|
}
|
|
|
|
/**
|
|
* Fetch the `custom_css` post for a given theme.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @param string $stylesheet Optional. A theme object stylesheet name. Defaults to the current theme.
|
|
* @return WP_Post|null The custom_css post or null if none exists.
|
|
*/
|
|
function wp_get_custom_css_post( $stylesheet = '' ) {
|
|
if ( empty( $stylesheet ) ) {
|
|
$stylesheet = get_stylesheet();
|
|
}
|
|
|
|
$custom_css_query_vars = array(
|
|
'post_type' => 'custom_css',
|
|
'post_status' => get_post_stati(),
|
|
'name' => sanitize_title( $stylesheet ),
|
|
'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,
|
|
);
|
|
|
|
$post = null;
|
|
if ( get_stylesheet() === $stylesheet ) {
|
|
$post_id = get_theme_mod( 'custom_css_post_id' );
|
|
|
|
if ( $post_id > 0 && get_post( $post_id ) ) {
|
|
$post = get_post( $post_id );
|
|
}
|
|
|
|
// `-1` indicates no post exists; no query necessary.
|
|
if ( ! $post && -1 !== $post_id ) {
|
|
$query = new WP_Query( $custom_css_query_vars );
|
|
$post = $query->post;
|
|
/*
|
|
* Cache the lookup. See wp_update_custom_css_post().
|
|
* @todo This should get cleared if a custom_css post is added/removed.
|
|
*/
|
|
set_theme_mod( 'custom_css_post_id', $post ? $post->ID : -1 );
|
|
}
|
|
} else {
|
|
$query = new WP_Query( $custom_css_query_vars );
|
|
$post = $query->post;
|
|
}
|
|
|
|
return $post;
|
|
}
|
|
|
|
/**
|
|
* Fetch the saved Custom CSS content for rendering.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @param string $stylesheet Optional. A theme object stylesheet name. Defaults to the current theme.
|
|
* @return string The Custom CSS Post content.
|
|
*/
|
|
function wp_get_custom_css( $stylesheet = '' ) {
|
|
$css = '';
|
|
|
|
if ( empty( $stylesheet ) ) {
|
|
$stylesheet = get_stylesheet();
|
|
}
|
|
|
|
$post = wp_get_custom_css_post( $stylesheet );
|
|
if ( $post ) {
|
|
$css = $post->post_content;
|
|
}
|
|
|
|
/**
|
|
* Filters the Custom CSS Output into the <head>.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @param string $css CSS pulled in from the Custom CSS CPT.
|
|
* @param string $stylesheet The theme stylesheet name.
|
|
*/
|
|
$css = apply_filters( 'wp_get_custom_css', $css, $stylesheet );
|
|
|
|
return $css;
|
|
}
|
|
|
|
/**
|
|
* Update the `custom_css` post for a given theme.
|
|
*
|
|
* Inserts a `custom_css` post when one doesn't yet exist.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @param string $css CSS, stored in `post_content`.
|
|
* @param array $args {
|
|
* Args.
|
|
*
|
|
* @type string $preprocessed Pre-processed CSS, stored in `post_content_filtered`. Normally empty string. Optional.
|
|
* @type string $stylesheet Stylesheet (child theme) to update. Optional, defaults to current theme/stylesheet.
|
|
* }
|
|
* @return WP_Post|WP_Error Post on success, error on failure.
|
|
*/
|
|
function wp_update_custom_css_post( $css, $args = array() ) {
|
|
$args = wp_parse_args( $args, array(
|
|
'preprocessed' => '',
|
|
'stylesheet' => get_stylesheet(),
|
|
) );
|
|
|
|
$data = array(
|
|
'css' => $css,
|
|
'preprocessed' => $args['preprocessed'],
|
|
);
|
|
|
|
/**
|
|
* Filters the `css` (`post_content`) and `preprocessed` (`post_content_filtered`) args for a `custom_css` post being updated.
|
|
*
|
|
* This filter can be used by plugin that offer CSS pre-processors, to store the original
|
|
* pre-processed CSS in `post_content_filtered` and then store processed CSS in `post_content`.
|
|
* When used in this way, the `post_content_filtered` should be supplied as the setting value
|
|
* instead of `post_content` via a the `customize_value_custom_css` filter, for example:
|
|
*
|
|
* <code>
|
|
* add_filter( 'customize_value_custom_css', function( $value, $setting ) {
|
|
* $post = wp_get_custom_css_post( $setting->stylesheet );
|
|
* if ( $post && ! empty( $post->post_content_filtered ) ) {
|
|
* $css = $post->post_content_filtered;
|
|
* }
|
|
* return $css;
|
|
* }, 10, 2 );
|
|
* </code>
|
|
*
|
|
* @since 4.7.0
|
|
* @param array $data {
|
|
* Custom CSS data.
|
|
*
|
|
* @type string $css CSS stored in `post_content`.
|
|
* @type string $preprocessed Pre-processed CSS stored in `post_content_filtered`. Normally empty string.
|
|
* }
|
|
* @param array $args {
|
|
* The args passed into `wp_update_custom_css_post()` merged with defaults.
|
|
*
|
|
* @type string $css The original CSS passed in to be updated.
|
|
* @type string $preprocessed The original preprocessed CSS passed in to be updated.
|
|
* @type string $stylesheet The stylesheet (theme) being updated.
|
|
* }
|
|
*/
|
|
$data = apply_filters( 'update_custom_css_data', $data, array_merge( $args, compact( 'css' ) ) );
|
|
|
|
$post_data = array(
|
|
'post_title' => $args['stylesheet'],
|
|
'post_name' => sanitize_title( $args['stylesheet'] ),
|
|
'post_type' => 'custom_css',
|
|
'post_status' => 'publish',
|
|
'post_content' => $data['css'],
|
|
'post_content_filtered' => $data['preprocessed'],
|
|
);
|
|
|
|
// Update post if it already exists, otherwise create a new one.
|
|
$post = wp_get_custom_css_post( $args['stylesheet'] );
|
|
if ( $post ) {
|
|
$post_data['ID'] = $post->ID;
|
|
$r = wp_update_post( wp_slash( $post_data ), true );
|
|
} else {
|
|
$r = wp_insert_post( wp_slash( $post_data ), true );
|
|
|
|
if ( ! is_wp_error( $r ) ) {
|
|
if ( get_stylesheet() === $args['stylesheet'] ) {
|
|
set_theme_mod( 'custom_css_post_id', $r );
|
|
}
|
|
|
|
// Trigger creation of a revision. This should be removed once #30854 is resolved.
|
|
if ( 0 === count( wp_get_post_revisions( $r ) ) ) {
|
|
wp_save_post_revision( $r );
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( is_wp_error( $r ) ) {
|
|
return $r;
|
|
}
|
|
return get_post( $r );
|
|
}
|
|
|
|
/**
|
|
* Add callback for custom TinyMCE editor stylesheets.
|
|
*
|
|
* The parameter $stylesheet is the name of the stylesheet, relative to
|
|
* the theme root. It also accepts an array of stylesheets.
|
|
* It is optional and defaults to 'editor-style.css'.
|
|
*
|
|
* This function automatically adds another stylesheet with -rtl prefix, e.g. editor-style-rtl.css.
|
|
* If that file doesn't exist, it is removed before adding the stylesheet(s) to TinyMCE.
|
|
* If an array of stylesheets is passed to add_editor_style(),
|
|
* RTL is only added for the first stylesheet.
|
|
*
|
|
* Since version 3.4 the TinyMCE body has .rtl CSS class.
|
|
* It is a better option to use that class and add any RTL styles to the main stylesheet.
|
|
*
|
|
* @since 3.0.0
|
|
*
|
|
* @global array $editor_styles
|
|
*
|
|
* @param array|string $stylesheet Optional. Stylesheet name or array thereof, relative to theme root.
|
|
* Defaults to 'editor-style.css'
|
|
*/
|
|
function add_editor_style( $stylesheet = 'editor-style.css' ) {
|
|
add_theme_support( 'editor-style' );
|
|
|
|
if ( ! is_admin() )
|
|
return;
|
|
|
|
global $editor_styles;
|
|
$editor_styles = (array) $editor_styles;
|
|
$stylesheet = (array) $stylesheet;
|
|
if ( is_rtl() ) {
|
|
$rtl_stylesheet = str_replace('.css', '-rtl.css', $stylesheet[0]);
|
|
$stylesheet[] = $rtl_stylesheet;
|
|
}
|
|
|
|
$editor_styles = array_merge( $editor_styles, $stylesheet );
|
|
}
|
|
|
|
/**
|
|
* Removes all visual editor stylesheets.
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @global array $editor_styles
|
|
*
|
|
* @return bool True on success, false if there were no stylesheets to remove.
|
|
*/
|
|
function remove_editor_styles() {
|
|
if ( ! current_theme_supports( 'editor-style' ) )
|
|
return false;
|
|
_remove_theme_support( 'editor-style' );
|
|
if ( is_admin() )
|
|
$GLOBALS['editor_styles'] = array();
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Retrieve any registered editor stylesheets
|
|
*
|
|
* @since 4.0.0
|
|
*
|
|
* @global array $editor_styles Registered editor stylesheets
|
|
*
|
|
* @return array If registered, a list of editor stylesheet URLs.
|
|
*/
|
|
function get_editor_stylesheets() {
|
|
$stylesheets = array();
|
|
// load editor_style.css if the current theme supports it
|
|
if ( ! empty( $GLOBALS['editor_styles'] ) && is_array( $GLOBALS['editor_styles'] ) ) {
|
|
$editor_styles = $GLOBALS['editor_styles'];
|
|
|
|
$editor_styles = array_unique( array_filter( $editor_styles ) );
|
|
$style_uri = get_stylesheet_directory_uri();
|
|
$style_dir = get_stylesheet_directory();
|
|
|
|
// Support externally referenced styles (like, say, fonts).
|
|
foreach ( $editor_styles as $key => $file ) {
|
|
if ( preg_match( '~^(https?:)?//~', $file ) ) {
|
|
$stylesheets[] = esc_url_raw( $file );
|
|
unset( $editor_styles[ $key ] );
|
|
}
|
|
}
|
|
|
|
// Look in a parent theme first, that way child theme CSS overrides.
|
|
if ( is_child_theme() ) {
|
|
$template_uri = get_template_directory_uri();
|
|
$template_dir = get_template_directory();
|
|
|
|
foreach ( $editor_styles as $key => $file ) {
|
|
if ( $file && file_exists( "$template_dir/$file" ) ) {
|
|
$stylesheets[] = "$template_uri/$file";
|
|
}
|
|
}
|
|
}
|
|
|
|
foreach ( $editor_styles as $file ) {
|
|
if ( $file && file_exists( "$style_dir/$file" ) ) {
|
|
$stylesheets[] = "$style_uri/$file";
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Filters the array of stylesheets applied to the editor.
|
|
*
|
|
* @since 4.3.0
|
|
*
|
|
* @param array $stylesheets Array of stylesheets to be applied to the editor.
|
|
*/
|
|
return apply_filters( 'editor_stylesheets', $stylesheets );
|
|
}
|
|
|
|
/**
|
|
* Expand a theme's starter content configuration using core-provided data.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @return array Array of starter content.
|
|
*/
|
|
function get_theme_starter_content() {
|
|
$theme_support = get_theme_support( 'starter-content' );
|
|
if ( is_array( $theme_support ) && ! empty( $theme_support[0] ) && is_array( $theme_support[0] ) ) {
|
|
$config = $theme_support[0];
|
|
} else {
|
|
$config = array();
|
|
}
|
|
|
|
$core_content = array(
|
|
'widgets' => array(
|
|
'text_business_info' => array( 'text', array(
|
|
'title' => _x( 'Find Us', 'Theme starter content' ),
|
|
'text' => join( '', array(
|
|
'<strong>' . _x( 'Address', 'Theme starter content' ) . "</strong>\n",
|
|
_x( '123 Main Street', 'Theme starter content' ) . "\n" . _x( 'New York, NY 10001', 'Theme starter content' ) . "\n\n",
|
|
'<strong>' . _x( 'Hours', 'Theme starter content' ) . "</strong>\n",
|
|
_x( 'Monday—Friday: 9:00AM–5:00PM', 'Theme starter content' ) . "\n" . _x( 'Saturday & Sunday: 11:00AM–3:00PM', 'Theme starter content' )
|
|
) ),
|
|
'filter' => true,
|
|
'visual' => true,
|
|
) ),
|
|
'text_about' => array( 'text', array(
|
|
'title' => _x( 'About This Site', 'Theme starter content' ),
|
|
'text' => _x( 'This may be a good place to introduce yourself and your site or include some credits.', 'Theme starter content' ),
|
|
'filter' => true,
|
|
'visual' => true,
|
|
) ),
|
|
'archives' => array( 'archives', array(
|
|
'title' => _x( 'Archives', 'Theme starter content' ),
|
|
) ),
|
|
'calendar' => array( 'calendar', array(
|
|
'title' => _x( 'Calendar', 'Theme starter content' ),
|
|
) ),
|
|
'categories' => array( 'categories', array(
|
|
'title' => _x( 'Categories', 'Theme starter content' ),
|
|
) ),
|
|
'meta' => array( 'meta', array(
|
|
'title' => _x( 'Meta', 'Theme starter content' ),
|
|
) ),
|
|
'recent-comments' => array( 'recent-comments', array(
|
|
'title' => _x( 'Recent Comments', 'Theme starter content' ),
|
|
) ),
|
|
'recent-posts' => array( 'recent-posts', array(
|
|
'title' => _x( 'Recent Posts', 'Theme starter content' ),
|
|
) ),
|
|
'search' => array( 'search', array(
|
|
'title' => _x( 'Search', 'Theme starter content' ),
|
|
) ),
|
|
),
|
|
'nav_menus' => array(
|
|
'link_home' => array(
|
|
'type' => 'custom',
|
|
'title' => _x( 'Home', 'Theme starter content' ),
|
|
'url' => home_url( '/' ),
|
|
),
|
|
'page_home' => array( // Deprecated in favor of link_home.
|
|
'type' => 'post_type',
|
|
'object' => 'page',
|
|
'object_id' => '{{home}}',
|
|
),
|
|
'page_about' => array(
|
|
'type' => 'post_type',
|
|
'object' => 'page',
|
|
'object_id' => '{{about}}',
|
|
),
|
|
'page_blog' => array(
|
|
'type' => 'post_type',
|
|
'object' => 'page',
|
|
'object_id' => '{{blog}}',
|
|
),
|
|
'page_news' => array(
|
|
'type' => 'post_type',
|
|
'object' => 'page',
|
|
'object_id' => '{{news}}',
|
|
),
|
|
'page_contact' => array(
|
|
'type' => 'post_type',
|
|
'object' => 'page',
|
|
'object_id' => '{{contact}}',
|
|
),
|
|
|
|
'link_email' => array(
|
|
'title' => _x( 'Email', 'Theme starter content' ),
|
|
'url' => 'mailto:wordpress@example.com',
|
|
),
|
|
'link_facebook' => array(
|
|
'title' => _x( 'Facebook', 'Theme starter content' ),
|
|
'url' => 'https://www.facebook.com/wordpress',
|
|
),
|
|
'link_foursquare' => array(
|
|
'title' => _x( 'Foursquare', 'Theme starter content' ),
|
|
'url' => 'https://foursquare.com/',
|
|
),
|
|
'link_github' => array(
|
|
'title' => _x( 'GitHub', 'Theme starter content' ),
|
|
'url' => 'https://github.com/wordpress/',
|
|
),
|
|
'link_instagram' => array(
|
|
'title' => _x( 'Instagram', 'Theme starter content' ),
|
|
'url' => 'https://www.instagram.com/explore/tags/wordcamp/',
|
|
),
|
|
'link_linkedin' => array(
|
|
'title' => _x( 'LinkedIn', 'Theme starter content' ),
|
|
'url' => 'https://www.linkedin.com/company/1089783',
|
|
),
|
|
'link_pinterest' => array(
|
|
'title' => _x( 'Pinterest', 'Theme starter content' ),
|
|
'url' => 'https://www.pinterest.com/',
|
|
),
|
|
'link_twitter' => array(
|
|
'title' => _x( 'Twitter', 'Theme starter content' ),
|
|
'url' => 'https://twitter.com/wordpress',
|
|
),
|
|
'link_yelp' => array(
|
|
'title' => _x( 'Yelp', 'Theme starter content' ),
|
|
'url' => 'https://www.yelp.com',
|
|
),
|
|
'link_youtube' => array(
|
|
'title' => _x( 'YouTube', 'Theme starter content' ),
|
|
'url' => 'https://www.youtube.com/channel/UCdof4Ju7amm1chz1gi1T2ZA',
|
|
),
|
|
),
|
|
'posts' => array(
|
|
'home' => array(
|
|
'post_type' => 'page',
|
|
'post_title' => _x( 'Home', 'Theme starter content' ),
|
|
'post_content' => _x( 'Welcome to your site! This is your homepage, which is what most visitors will see when they come to your site for the first time.', 'Theme starter content' ),
|
|
),
|
|
'about' => array(
|
|
'post_type' => 'page',
|
|
'post_title' => _x( 'About', 'Theme starter content' ),
|
|
'post_content' => _x( 'You might be an artist who would like to introduce yourself and your work here or maybe you’re a business with a mission to describe.', 'Theme starter content' ),
|
|
),
|
|
'contact' => array(
|
|
'post_type' => 'page',
|
|
'post_title' => _x( 'Contact', 'Theme starter content' ),
|
|
'post_content' => _x( 'This is a page with some basic contact information, such as an address and phone number. You might also try a plugin to add a contact form.', 'Theme starter content' ),
|
|
),
|
|
'blog' => array(
|
|
'post_type' => 'page',
|
|
'post_title' => _x( 'Blog', 'Theme starter content' ),
|
|
),
|
|
'news' => array(
|
|
'post_type' => 'page',
|
|
'post_title' => _x( 'News', 'Theme starter content' ),
|
|
),
|
|
|
|
'homepage-section' => array(
|
|
'post_type' => 'page',
|
|
'post_title' => _x( 'A homepage section', 'Theme starter content' ),
|
|
'post_content' => _x( 'This is an example of a homepage section. Homepage sections can be any page other than the homepage itself, including the page that shows your latest blog posts.', 'Theme starter content' ),
|
|
),
|
|
),
|
|
);
|
|
|
|
$content = array();
|
|
|
|
foreach ( $config as $type => $args ) {
|
|
switch( $type ) {
|
|
// Use options and theme_mods as-is.
|
|
case 'options' :
|
|
case 'theme_mods' :
|
|
$content[ $type ] = $config[ $type ];
|
|
break;
|
|
|
|
// Widgets are grouped into sidebars.
|
|
case 'widgets' :
|
|
foreach ( $config[ $type ] as $sidebar_id => $widgets ) {
|
|
foreach ( $widgets as $id => $widget ) {
|
|
if ( is_array( $widget ) ) {
|
|
|
|
// Item extends core content.
|
|
if ( ! empty( $core_content[ $type ][ $id ] ) ) {
|
|
$widget = array(
|
|
$core_content[ $type ][ $id ][0],
|
|
array_merge( $core_content[ $type ][ $id ][1], $widget ),
|
|
);
|
|
}
|
|
|
|
$content[ $type ][ $sidebar_id ][] = $widget;
|
|
} elseif ( is_string( $widget ) && ! empty( $core_content[ $type ] ) && ! empty( $core_content[ $type ][ $widget ] ) ) {
|
|
$content[ $type ][ $sidebar_id ][] = $core_content[ $type ][ $widget ];
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
// And nav menu items are grouped into nav menus.
|
|
case 'nav_menus' :
|
|
foreach ( $config[ $type ] as $nav_menu_location => $nav_menu ) {
|
|
|
|
// Ensure nav menus get a name.
|
|
if ( empty( $nav_menu['name'] ) ) {
|
|
$nav_menu['name'] = $nav_menu_location;
|
|
}
|
|
|
|
$content[ $type ][ $nav_menu_location ]['name'] = $nav_menu['name'];
|
|
|
|
foreach ( $nav_menu['items'] as $id => $nav_menu_item ) {
|
|
if ( is_array( $nav_menu_item ) ) {
|
|
|
|
// Item extends core content.
|
|
if ( ! empty( $core_content[ $type ][ $id ] ) ) {
|
|
$nav_menu_item = array_merge( $core_content[ $type ][ $id ], $nav_menu_item );
|
|
}
|
|
|
|
$content[ $type ][ $nav_menu_location ]['items'][] = $nav_menu_item;
|
|
} elseif ( is_string( $nav_menu_item ) && ! empty( $core_content[ $type ] ) && ! empty( $core_content[ $type ][ $nav_menu_item ] ) ) {
|
|
$content[ $type ][ $nav_menu_location ]['items'][] = $core_content[ $type ][ $nav_menu_item ];
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
// Attachments are posts but have special treatment.
|
|
case 'attachments' :
|
|
foreach ( $config[ $type ] as $id => $item ) {
|
|
if ( ! empty( $item['file'] ) ) {
|
|
$content[ $type ][ $id ] = $item;
|
|
}
|
|
}
|
|
break;
|
|
|
|
// All that's left now are posts (besides attachments). Not a default case for the sake of clarity and future work.
|
|
case 'posts' :
|
|
foreach ( $config[ $type ] as $id => $item ) {
|
|
if ( is_array( $item ) ) {
|
|
|
|
// Item extends core content.
|
|
if ( ! empty( $core_content[ $type ][ $id ] ) ) {
|
|
$item = array_merge( $core_content[ $type ][ $id ], $item );
|
|
}
|
|
|
|
// Enforce a subset of fields.
|
|
$content[ $type ][ $id ] = wp_array_slice_assoc(
|
|
$item,
|
|
array(
|
|
'post_type',
|
|
'post_title',
|
|
'post_excerpt',
|
|
'post_name',
|
|
'post_content',
|
|
'menu_order',
|
|
'comment_status',
|
|
'thumbnail',
|
|
'template',
|
|
)
|
|
);
|
|
} elseif ( is_string( $item ) && ! empty( $core_content[ $type ][ $item ] ) ) {
|
|
$content[ $type ][ $item ] = $core_content[ $type ][ $item ];
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Filters the expanded array of starter content.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @param array $content Array of starter content.
|
|
* @param array $config Array of theme-specific starter content configuration.
|
|
*/
|
|
return apply_filters( 'get_theme_starter_content', $content, $config );
|
|
}
|
|
|
|
/**
|
|
* Registers theme support for a given feature.
|
|
*
|
|
* Must be called in the theme's functions.php file to work.
|
|
* If attached to a hook, it must be {@see 'after_setup_theme'}.
|
|
* The {@see 'init'} hook may be too late for some features.
|
|
*
|
|
* @since 2.9.0
|
|
* @since 3.6.0 The `html5` feature was added
|
|
* @since 3.9.0 The `html5` feature now also accepts 'gallery' and 'caption'
|
|
* @since 4.1.0 The `title-tag` feature was added
|
|
* @since 4.5.0 The `customize-selective-refresh-widgets` feature was added
|
|
* @since 4.7.0 The `starter-content` feature was added
|
|
*
|
|
* @global array $_wp_theme_features
|
|
*
|
|
* @param string $feature The feature being added. Likely core values include 'post-formats',
|
|
* 'post-thumbnails', 'html5', 'custom-logo', 'custom-header-uploads',
|
|
* 'custom-header', 'custom-background', 'title-tag', 'starter-content', etc.
|
|
* @param mixed $args,... Optional extra arguments to pass along with certain features.
|
|
* @return void|bool False on failure, void otherwise.
|
|
*/
|
|
function add_theme_support( $feature ) {
|
|
global $_wp_theme_features;
|
|
|
|
if ( func_num_args() == 1 )
|
|
$args = true;
|
|
else
|
|
$args = array_slice( func_get_args(), 1 );
|
|
|
|
switch ( $feature ) {
|
|
case 'post-thumbnails':
|
|
// All post types are already supported.
|
|
if ( true === get_theme_support( 'post-thumbnails' ) ) {
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Merge post types with any that already declared their support
|
|
* for post thumbnails.
|
|
*/
|
|
if ( is_array( $args[0] ) && isset( $_wp_theme_features['post-thumbnails'] ) ) {
|
|
$args[0] = array_unique( array_merge( $_wp_theme_features['post-thumbnails'][0], $args[0] ) );
|
|
}
|
|
|
|
break;
|
|
|
|
case 'post-formats' :
|
|
if ( is_array( $args[0] ) ) {
|
|
$post_formats = get_post_format_slugs();
|
|
unset( $post_formats['standard'] );
|
|
|
|
$args[0] = array_intersect( $args[0], array_keys( $post_formats ) );
|
|
}
|
|
break;
|
|
|
|
case 'html5' :
|
|
// You can't just pass 'html5', you need to pass an array of types.
|
|
if ( empty( $args[0] ) ) {
|
|
// Build an array of types for back-compat.
|
|
$args = array( 0 => array( 'comment-list', 'comment-form', 'search-form' ) );
|
|
} elseif ( ! is_array( $args[0] ) ) {
|
|
_doing_it_wrong( "add_theme_support( 'html5' )", __( 'You need to pass an array of types.' ), '3.6.1' );
|
|
return false;
|
|
}
|
|
|
|
// Calling 'html5' again merges, rather than overwrites.
|
|
if ( isset( $_wp_theme_features['html5'] ) )
|
|
$args[0] = array_merge( $_wp_theme_features['html5'][0], $args[0] );
|
|
break;
|
|
|
|
case 'custom-logo':
|
|
if ( ! is_array( $args ) ) {
|
|
$args = array( 0 => array() );
|
|
}
|
|
$defaults = array(
|
|
'width' => null,
|
|
'height' => null,
|
|
'flex-width' => false,
|
|
'flex-height' => false,
|
|
'header-text' => '',
|
|
);
|
|
$args[0] = wp_parse_args( array_intersect_key( $args[0], $defaults ), $defaults );
|
|
|
|
// Allow full flexibility if no size is specified.
|
|
if ( is_null( $args[0]['width'] ) && is_null( $args[0]['height'] ) ) {
|
|
$args[0]['flex-width'] = true;
|
|
$args[0]['flex-height'] = true;
|
|
}
|
|
break;
|
|
|
|
case 'custom-header-uploads' :
|
|
return add_theme_support( 'custom-header', array( 'uploads' => true ) );
|
|
|
|
case 'custom-header' :
|
|
if ( ! is_array( $args ) )
|
|
$args = array( 0 => array() );
|
|
|
|
$defaults = array(
|
|
'default-image' => '',
|
|
'random-default' => false,
|
|
'width' => 0,
|
|
'height' => 0,
|
|
'flex-height' => false,
|
|
'flex-width' => false,
|
|
'default-text-color' => '',
|
|
'header-text' => true,
|
|
'uploads' => true,
|
|
'wp-head-callback' => '',
|
|
'admin-head-callback' => '',
|
|
'admin-preview-callback' => '',
|
|
'video' => false,
|
|
'video-active-callback' => 'is_front_page',
|
|
);
|
|
|
|
$jit = isset( $args[0]['__jit'] );
|
|
unset( $args[0]['__jit'] );
|
|
|
|
// Merge in data from previous add_theme_support() calls.
|
|
// The first value registered wins. (A child theme is set up first.)
|
|
if ( isset( $_wp_theme_features['custom-header'] ) )
|
|
$args[0] = wp_parse_args( $_wp_theme_features['custom-header'][0], $args[0] );
|
|
|
|
// Load in the defaults at the end, as we need to insure first one wins.
|
|
// This will cause all constants to be defined, as each arg will then be set to the default.
|
|
if ( $jit )
|
|
$args[0] = wp_parse_args( $args[0], $defaults );
|
|
|
|
// If a constant was defined, use that value. Otherwise, define the constant to ensure
|
|
// the constant is always accurate (and is not defined later, overriding our value).
|
|
// As stated above, the first value wins.
|
|
// Once we get to wp_loaded (just-in-time), define any constants we haven't already.
|
|
// Constants are lame. Don't reference them. This is just for backward compatibility.
|
|
|
|
if ( defined( 'NO_HEADER_TEXT' ) )
|
|
$args[0]['header-text'] = ! NO_HEADER_TEXT;
|
|
elseif ( isset( $args[0]['header-text'] ) )
|
|
define( 'NO_HEADER_TEXT', empty( $args[0]['header-text'] ) );
|
|
|
|
if ( defined( 'HEADER_IMAGE_WIDTH' ) )
|
|
$args[0]['width'] = (int) HEADER_IMAGE_WIDTH;
|
|
elseif ( isset( $args[0]['width'] ) )
|
|
define( 'HEADER_IMAGE_WIDTH', (int) $args[0]['width'] );
|
|
|
|
if ( defined( 'HEADER_IMAGE_HEIGHT' ) )
|
|
$args[0]['height'] = (int) HEADER_IMAGE_HEIGHT;
|
|
elseif ( isset( $args[0]['height'] ) )
|
|
define( 'HEADER_IMAGE_HEIGHT', (int) $args[0]['height'] );
|
|
|
|
if ( defined( 'HEADER_TEXTCOLOR' ) )
|
|
$args[0]['default-text-color'] = HEADER_TEXTCOLOR;
|
|
elseif ( isset( $args[0]['default-text-color'] ) )
|
|
define( 'HEADER_TEXTCOLOR', $args[0]['default-text-color'] );
|
|
|
|
if ( defined( 'HEADER_IMAGE' ) )
|
|
$args[0]['default-image'] = HEADER_IMAGE;
|
|
elseif ( isset( $args[0]['default-image'] ) )
|
|
define( 'HEADER_IMAGE', $args[0]['default-image'] );
|
|
|
|
if ( $jit && ! empty( $args[0]['default-image'] ) )
|
|
$args[0]['random-default'] = false;
|
|
|
|
// If headers are supported, and we still don't have a defined width or height,
|
|
// we have implicit flex sizes.
|
|
if ( $jit ) {
|
|
if ( empty( $args[0]['width'] ) && empty( $args[0]['flex-width'] ) )
|
|
$args[0]['flex-width'] = true;
|
|
if ( empty( $args[0]['height'] ) && empty( $args[0]['flex-height'] ) )
|
|
$args[0]['flex-height'] = true;
|
|
}
|
|
|
|
break;
|
|
|
|
case 'custom-background' :
|
|
if ( ! is_array( $args ) )
|
|
$args = array( 0 => array() );
|
|
|
|
$defaults = array(
|
|
'default-image' => '',
|
|
'default-preset' => 'default',
|
|
'default-position-x' => 'left',
|
|
'default-position-y' => 'top',
|
|
'default-size' => 'auto',
|
|
'default-repeat' => 'repeat',
|
|
'default-attachment' => 'scroll',
|
|
'default-color' => '',
|
|
'wp-head-callback' => '_custom_background_cb',
|
|
'admin-head-callback' => '',
|
|
'admin-preview-callback' => '',
|
|
);
|
|
|
|
$jit = isset( $args[0]['__jit'] );
|
|
unset( $args[0]['__jit'] );
|
|
|
|
// Merge in data from previous add_theme_support() calls. The first value registered wins.
|
|
if ( isset( $_wp_theme_features['custom-background'] ) )
|
|
$args[0] = wp_parse_args( $_wp_theme_features['custom-background'][0], $args[0] );
|
|
|
|
if ( $jit )
|
|
$args[0] = wp_parse_args( $args[0], $defaults );
|
|
|
|
if ( defined( 'BACKGROUND_COLOR' ) )
|
|
$args[0]['default-color'] = BACKGROUND_COLOR;
|
|
elseif ( isset( $args[0]['default-color'] ) || $jit )
|
|
define( 'BACKGROUND_COLOR', $args[0]['default-color'] );
|
|
|
|
if ( defined( 'BACKGROUND_IMAGE' ) )
|
|
$args[0]['default-image'] = BACKGROUND_IMAGE;
|
|
elseif ( isset( $args[0]['default-image'] ) || $jit )
|
|
define( 'BACKGROUND_IMAGE', $args[0]['default-image'] );
|
|
|
|
break;
|
|
|
|
// Ensure that 'title-tag' is accessible in the admin.
|
|
case 'title-tag' :
|
|
// Can be called in functions.php but must happen before wp_loaded, i.e. not in header.php.
|
|
if ( did_action( 'wp_loaded' ) ) {
|
|
/* translators: 1: Theme support 2: hook name */
|
|
_doing_it_wrong( "add_theme_support( 'title-tag' )", sprintf( __( 'Theme support for %1$s should be registered before the %2$s hook.' ),
|
|
'<code>title-tag</code>', '<code>wp_loaded</code>' ), '4.1.0' );
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
$_wp_theme_features[ $feature ] = $args;
|
|
}
|
|
|
|
/**
|
|
* Registers the internal custom header and background routines.
|
|
*
|
|
* @since 3.4.0
|
|
* @access private
|
|
*
|
|
* @global Custom_Image_Header $custom_image_header
|
|
* @global Custom_Background $custom_background
|
|
*/
|
|
function _custom_header_background_just_in_time() {
|
|
global $custom_image_header, $custom_background;
|
|
|
|
if ( current_theme_supports( 'custom-header' ) ) {
|
|
// In case any constants were defined after an add_custom_image_header() call, re-run.
|
|
add_theme_support( 'custom-header', array( '__jit' => true ) );
|
|
|
|
$args = get_theme_support( 'custom-header' );
|
|
if ( $args[0]['wp-head-callback'] )
|
|
add_action( 'wp_head', $args[0]['wp-head-callback'] );
|
|
|
|
if ( is_admin() ) {
|
|
require_once( ABSPATH . 'wp-admin/custom-header.php' );
|
|
$custom_image_header = new Custom_Image_Header( $args[0]['admin-head-callback'], $args[0]['admin-preview-callback'] );
|
|
}
|
|
}
|
|
|
|
if ( current_theme_supports( 'custom-background' ) ) {
|
|
// In case any constants were defined after an add_custom_background() call, re-run.
|
|
add_theme_support( 'custom-background', array( '__jit' => true ) );
|
|
|
|
$args = get_theme_support( 'custom-background' );
|
|
add_action( 'wp_head', $args[0]['wp-head-callback'] );
|
|
|
|
if ( is_admin() ) {
|
|
require_once( ABSPATH . 'wp-admin/custom-background.php' );
|
|
$custom_background = new Custom_Background( $args[0]['admin-head-callback'], $args[0]['admin-preview-callback'] );
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Adds CSS to hide header text for custom logo, based on Customizer setting.
|
|
*
|
|
* @since 4.5.0
|
|
* @access private
|
|
*/
|
|
function _custom_logo_header_styles() {
|
|
if ( ! current_theme_supports( 'custom-header', 'header-text' ) && get_theme_support( 'custom-logo', 'header-text' ) && ! get_theme_mod( 'header_text', true ) ) {
|
|
$classes = (array) get_theme_support( 'custom-logo', 'header-text' );
|
|
$classes = array_map( 'sanitize_html_class', $classes );
|
|
$classes = '.' . implode( ', .', $classes );
|
|
|
|
?>
|
|
<!-- Custom Logo: hide header text -->
|
|
<style id="custom-logo-css" type="text/css">
|
|
<?php echo $classes; ?> {
|
|
position: absolute;
|
|
clip: rect(1px, 1px, 1px, 1px);
|
|
}
|
|
</style>
|
|
<?php
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets the theme support arguments passed when registering that support
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @global array $_wp_theme_features
|
|
*
|
|
* @param string $feature the feature to check
|
|
* @return mixed The array of extra arguments or the value for the registered feature.
|
|
*/
|
|
function get_theme_support( $feature ) {
|
|
global $_wp_theme_features;
|
|
if ( ! isset( $_wp_theme_features[ $feature ] ) )
|
|
return false;
|
|
|
|
if ( func_num_args() <= 1 )
|
|
return $_wp_theme_features[ $feature ];
|
|
|
|
$args = array_slice( func_get_args(), 1 );
|
|
switch ( $feature ) {
|
|
case 'custom-logo' :
|
|
case 'custom-header' :
|
|
case 'custom-background' :
|
|
if ( isset( $_wp_theme_features[ $feature ][0][ $args[0] ] ) )
|
|
return $_wp_theme_features[ $feature ][0][ $args[0] ];
|
|
return false;
|
|
|
|
default :
|
|
return $_wp_theme_features[ $feature ];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Allows a theme to de-register its support of a certain feature
|
|
*
|
|
* Should be called in the theme's functions.php file. Generally would
|
|
* be used for child themes to override support from the parent theme.
|
|
*
|
|
* @since 3.0.0
|
|
* @see add_theme_support()
|
|
* @param string $feature the feature being added
|
|
* @return bool|void Whether feature was removed.
|
|
*/
|
|
function remove_theme_support( $feature ) {
|
|
// Blacklist: for internal registrations not used directly by themes.
|
|
if ( in_array( $feature, array( 'editor-style', 'widgets', 'menus' ) ) )
|
|
return false;
|
|
|
|
return _remove_theme_support( $feature );
|
|
}
|
|
|
|
/**
|
|
* Do not use. Removes theme support internally, ignorant of the blacklist.
|
|
*
|
|
* @access private
|
|
* @since 3.1.0
|
|
*
|
|
* @global array $_wp_theme_features
|
|
* @global Custom_Image_Header $custom_image_header
|
|
* @global Custom_Background $custom_background
|
|
*
|
|
* @param string $feature
|
|
*/
|
|
function _remove_theme_support( $feature ) {
|
|
global $_wp_theme_features;
|
|
|
|
switch ( $feature ) {
|
|
case 'custom-header-uploads' :
|
|
if ( ! isset( $_wp_theme_features['custom-header'] ) )
|
|
return false;
|
|
add_theme_support( 'custom-header', array( 'uploads' => false ) );
|
|
return; // Do not continue - custom-header-uploads no longer exists.
|
|
}
|
|
|
|
if ( ! isset( $_wp_theme_features[ $feature ] ) )
|
|
return false;
|
|
|
|
switch ( $feature ) {
|
|
case 'custom-header' :
|
|
if ( ! did_action( 'wp_loaded' ) )
|
|
break;
|
|
$support = get_theme_support( 'custom-header' );
|
|
if ( isset( $support[0]['wp-head-callback'] ) ) {
|
|
remove_action( 'wp_head', $support[0]['wp-head-callback'] );
|
|
}
|
|
if ( isset( $GLOBALS['custom_image_header'] ) ) {
|
|
remove_action( 'admin_menu', array( $GLOBALS['custom_image_header'], 'init' ) );
|
|
unset( $GLOBALS['custom_image_header'] );
|
|
}
|
|
break;
|
|
|
|
case 'custom-background' :
|
|
if ( ! did_action( 'wp_loaded' ) )
|
|
break;
|
|
$support = get_theme_support( 'custom-background' );
|
|
remove_action( 'wp_head', $support[0]['wp-head-callback'] );
|
|
remove_action( 'admin_menu', array( $GLOBALS['custom_background'], 'init' ) );
|
|
unset( $GLOBALS['custom_background'] );
|
|
break;
|
|
}
|
|
|
|
unset( $_wp_theme_features[ $feature ] );
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Checks a theme's support for a given feature
|
|
*
|
|
* @since 2.9.0
|
|
*
|
|
* @global array $_wp_theme_features
|
|
*
|
|
* @param string $feature the feature being checked
|
|
* @return bool
|
|
*/
|
|
function current_theme_supports( $feature ) {
|
|
global $_wp_theme_features;
|
|
|
|
if ( 'custom-header-uploads' == $feature )
|
|
return current_theme_supports( 'custom-header', 'uploads' );
|
|
|
|
if ( !isset( $_wp_theme_features[$feature] ) )
|
|
return false;
|
|
|
|
// If no args passed then no extra checks need be performed
|
|
if ( func_num_args() <= 1 )
|
|
return true;
|
|
|
|
$args = array_slice( func_get_args(), 1 );
|
|
|
|
switch ( $feature ) {
|
|
case 'post-thumbnails':
|
|
// post-thumbnails can be registered for only certain content/post types by passing
|
|
// an array of types to add_theme_support(). If no array was passed, then
|
|
// any type is accepted
|
|
if ( true === $_wp_theme_features[$feature] ) // Registered for all types
|
|
return true;
|
|
$content_type = $args[0];
|
|
return in_array( $content_type, $_wp_theme_features[$feature][0] );
|
|
|
|
case 'html5':
|
|
case 'post-formats':
|
|
// specific post formats can be registered by passing an array of types to
|
|
// add_theme_support()
|
|
|
|
// Specific areas of HTML5 support *must* be passed via an array to add_theme_support()
|
|
|
|
$type = $args[0];
|
|
return in_array( $type, $_wp_theme_features[$feature][0] );
|
|
|
|
case 'custom-logo':
|
|
case 'custom-header':
|
|
case 'custom-background':
|
|
// Specific capabilities can be registered by passing an array to add_theme_support().
|
|
return ( isset( $_wp_theme_features[ $feature ][0][ $args[0] ] ) && $_wp_theme_features[ $feature ][0][ $args[0] ] );
|
|
}
|
|
|
|
/**
|
|
* Filters whether the current theme supports a specific feature.
|
|
*
|
|
* The dynamic portion of the hook name, `$feature`, refers to the specific theme
|
|
* feature. Possible values include 'post-formats', 'post-thumbnails', 'custom-background',
|
|
* 'custom-header', 'menus', 'automatic-feed-links', 'html5',
|
|
* 'starter-content', and 'customize-selective-refresh-widgets'.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @param bool true Whether the current theme supports the given feature. Default true.
|
|
* @param array $args Array of arguments for the feature.
|
|
* @param string $feature The theme feature.
|
|
*/
|
|
return apply_filters( "current_theme_supports-{$feature}", true, $args, $_wp_theme_features[$feature] );
|
|
}
|
|
|
|
/**
|
|
* Checks a theme's support for a given feature before loading the functions which implement it.
|
|
*
|
|
* @since 2.9.0
|
|
*
|
|
* @param string $feature The feature being checked.
|
|
* @param string $include Path to the file.
|
|
* @return bool True if the current theme supports the supplied feature, false otherwise.
|
|
*/
|
|
function require_if_theme_supports( $feature, $include ) {
|
|
if ( current_theme_supports( $feature ) ) {
|
|
require ( $include );
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Checks an attachment being deleted to see if it's a header or background image.
|
|
*
|
|
* If true it removes the theme modification which would be pointing at the deleted
|
|
* attachment.
|
|
*
|
|
* @access private
|
|
* @since 3.0.0
|
|
* @since 4.3.0 Also removes `header_image_data`.
|
|
* @since 4.5.0 Also removes custom logo theme mods.
|
|
*
|
|
* @param int $id The attachment id.
|
|
*/
|
|
function _delete_attachment_theme_mod( $id ) {
|
|
$attachment_image = wp_get_attachment_url( $id );
|
|
$header_image = get_header_image();
|
|
$background_image = get_background_image();
|
|
$custom_logo_id = get_theme_mod( 'custom_logo' );
|
|
|
|
if ( $custom_logo_id && $custom_logo_id == $id ) {
|
|
remove_theme_mod( 'custom_logo' );
|
|
remove_theme_mod( 'header_text' );
|
|
}
|
|
|
|
if ( $header_image && $header_image == $attachment_image ) {
|
|
remove_theme_mod( 'header_image' );
|
|
remove_theme_mod( 'header_image_data' );
|
|
}
|
|
|
|
if ( $background_image && $background_image == $attachment_image ) {
|
|
remove_theme_mod( 'background_image' );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Checks if a theme has been changed and runs 'after_switch_theme' hook on the next WP load.
|
|
*
|
|
* See {@see 'after_switch_theme'}.
|
|
*
|
|
* @since 3.3.0
|
|
*/
|
|
function check_theme_switched() {
|
|
if ( $stylesheet = get_option( 'theme_switched' ) ) {
|
|
$old_theme = wp_get_theme( $stylesheet );
|
|
|
|
// Prevent widget & menu mapping from running since Customizer already called it up front
|
|
if ( get_option( 'theme_switched_via_customizer' ) ) {
|
|
remove_action( 'after_switch_theme', '_wp_menus_changed' );
|
|
remove_action( 'after_switch_theme', '_wp_sidebars_changed' );
|
|
update_option( 'theme_switched_via_customizer', false );
|
|
}
|
|
|
|
if ( $old_theme->exists() ) {
|
|
/**
|
|
* Fires on the first WP load after a theme switch if the old theme still exists.
|
|
*
|
|
* This action fires multiple times and the parameters differs
|
|
* according to the context, if the old theme exists or not.
|
|
* If the old theme is missing, the parameter will be the slug
|
|
* of the old theme.
|
|
*
|
|
* @since 3.3.0
|
|
*
|
|
* @param string $old_name Old theme name.
|
|
* @param WP_Theme $old_theme WP_Theme instance of the old theme.
|
|
*/
|
|
do_action( 'after_switch_theme', $old_theme->get( 'Name' ), $old_theme );
|
|
} else {
|
|
/** This action is documented in wp-includes/theme.php */
|
|
do_action( 'after_switch_theme', $stylesheet, $old_theme );
|
|
}
|
|
flush_rewrite_rules();
|
|
|
|
update_option( 'theme_switched', false );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Includes and instantiates the WP_Customize_Manager class.
|
|
*
|
|
* Loads the Customizer at plugins_loaded when accessing the customize.php admin
|
|
* page or when any request includes a wp_customize=on param or a customize_changeset
|
|
* param (a UUID). This param is a signal for whether to bootstrap the Customizer when
|
|
* WordPress is loading, especially in the Customizer preview
|
|
* or when making Customizer Ajax requests for widgets or menus.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @global WP_Customize_Manager $wp_customize
|
|
*/
|
|
function _wp_customize_include() {
|
|
|
|
$is_customize_admin_page = ( is_admin() && 'customize.php' == basename( $_SERVER['PHP_SELF'] ) );
|
|
$should_include = (
|
|
$is_customize_admin_page
|
|
||
|
|
( isset( $_REQUEST['wp_customize'] ) && 'on' == $_REQUEST['wp_customize'] )
|
|
||
|
|
( ! empty( $_GET['customize_changeset_uuid'] ) || ! empty( $_POST['customize_changeset_uuid'] ) )
|
|
);
|
|
|
|
if ( ! $should_include ) {
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Note that wp_unslash() is not being used on the input vars because it is
|
|
* called before wp_magic_quotes() gets called. Besides this fact, none of
|
|
* the values should contain any characters needing slashes anyway.
|
|
*/
|
|
$keys = array( 'changeset_uuid', 'customize_changeset_uuid', 'customize_theme', 'theme', 'customize_messenger_channel', 'customize_autosaved' );
|
|
$input_vars = array_merge(
|
|
wp_array_slice_assoc( $_GET, $keys ),
|
|
wp_array_slice_assoc( $_POST, $keys )
|
|
);
|
|
|
|
$theme = null;
|
|
$changeset_uuid = false; // Value false indicates UUID should be determined after_setup_theme to either re-use existing saved changeset or else generate a new UUID if none exists.
|
|
$messenger_channel = null;
|
|
$autosaved = null;
|
|
$branching = false; // Set initially fo false since defaults to true for back-compat; can be overridden via the customize_changeset_branching filter.
|
|
|
|
if ( $is_customize_admin_page && isset( $input_vars['changeset_uuid'] ) ) {
|
|
$changeset_uuid = sanitize_key( $input_vars['changeset_uuid'] );
|
|
} elseif ( ! empty( $input_vars['customize_changeset_uuid'] ) ) {
|
|
$changeset_uuid = sanitize_key( $input_vars['customize_changeset_uuid'] );
|
|
}
|
|
|
|
// Note that theme will be sanitized via WP_Theme.
|
|
if ( $is_customize_admin_page && isset( $input_vars['theme'] ) ) {
|
|
$theme = $input_vars['theme'];
|
|
} elseif ( isset( $input_vars['customize_theme'] ) ) {
|
|
$theme = $input_vars['customize_theme'];
|
|
}
|
|
|
|
if ( ! empty( $input_vars['customize_autosaved'] ) ) {
|
|
$autosaved = true;
|
|
}
|
|
|
|
if ( isset( $input_vars['customize_messenger_channel'] ) ) {
|
|
$messenger_channel = sanitize_key( $input_vars['customize_messenger_channel'] );
|
|
}
|
|
|
|
/*
|
|
* Note that settings must be previewed even outside the customizer preview
|
|
* and also in the customizer pane itself. This is to enable loading an existing
|
|
* changeset into the customizer. Previewing the settings only has to be prevented
|
|
* here in the case of a customize_save action because this will cause WP to think
|
|
* there is nothing changed that needs to be saved.
|
|
*/
|
|
$is_customize_save_action = (
|
|
wp_doing_ajax()
|
|
&&
|
|
isset( $_REQUEST['action'] )
|
|
&&
|
|
'customize_save' === wp_unslash( $_REQUEST['action'] )
|
|
);
|
|
$settings_previewed = ! $is_customize_save_action;
|
|
|
|
require_once ABSPATH . WPINC . '/class-wp-customize-manager.php';
|
|
$GLOBALS['wp_customize'] = new WP_Customize_Manager( compact( 'changeset_uuid', 'theme', 'messenger_channel', 'settings_previewed', 'autosaved', 'branching' ) );
|
|
}
|
|
|
|
/**
|
|
* Publishes a snapshot's changes.
|
|
*
|
|
* @since 4.7.0
|
|
* @access private
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
* @global WP_Customize_Manager $wp_customize Customizer instance.
|
|
*
|
|
* @param string $new_status New post status.
|
|
* @param string $old_status Old post status.
|
|
* @param WP_Post $changeset_post Changeset post object.
|
|
*/
|
|
function _wp_customize_publish_changeset( $new_status, $old_status, $changeset_post ) {
|
|
global $wp_customize, $wpdb;
|
|
|
|
$is_publishing_changeset = (
|
|
'customize_changeset' === $changeset_post->post_type
|
|
&&
|
|
'publish' === $new_status
|
|
&&
|
|
'publish' !== $old_status
|
|
);
|
|
if ( ! $is_publishing_changeset ) {
|
|
return;
|
|
}
|
|
|
|
if ( empty( $wp_customize ) ) {
|
|
require_once ABSPATH . WPINC . '/class-wp-customize-manager.php';
|
|
$wp_customize = new WP_Customize_Manager( array(
|
|
'changeset_uuid' => $changeset_post->post_name,
|
|
'settings_previewed' => false,
|
|
) );
|
|
}
|
|
|
|
if ( ! did_action( 'customize_register' ) ) {
|
|
/*
|
|
* When running from CLI or Cron, the customize_register action will need
|
|
* to be triggered in order for core, themes, and plugins to register their
|
|
* settings. Normally core will add_action( 'customize_register' ) at
|
|
* priority 10 to register the core settings, and if any themes/plugins
|
|
* also add_action( 'customize_register' ) at the same priority, they
|
|
* will have a $wp_customize with those settings registered since they
|
|
* call add_action() afterward, normally. However, when manually doing
|
|
* the customize_register action after the setup_theme, then the order
|
|
* will be reversed for two actions added at priority 10, resulting in
|
|
* the core settings no longer being available as expected to themes/plugins.
|
|
* So the following manually calls the method that registers the core
|
|
* settings up front before doing the action.
|
|
*/
|
|
remove_action( 'customize_register', array( $wp_customize, 'register_controls' ) );
|
|
$wp_customize->register_controls();
|
|
|
|
/** This filter is documented in /wp-includes/class-wp-customize-manager.php */
|
|
do_action( 'customize_register', $wp_customize );
|
|
}
|
|
$wp_customize->_publish_changeset_values( $changeset_post->ID ) ;
|
|
|
|
/*
|
|
* Trash the changeset post if revisions are not enabled. Unpublished
|
|
* changesets by default get garbage collected due to the auto-draft status.
|
|
* When a changeset post is published, however, it would no longer get cleaned
|
|
* out. Ths is a problem when the changeset posts are never displayed anywhere,
|
|
* since they would just be endlessly piling up. So here we use the revisions
|
|
* feature to indicate whether or not a published changeset should get trashed
|
|
* and thus garbage collected.
|
|
*/
|
|
if ( ! wp_revisions_enabled( $changeset_post ) ) {
|
|
$wp_customize->trash_changeset_post( $changeset_post->ID );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Filters changeset post data upon insert to ensure post_name is intact.
|
|
*
|
|
* This is needed to prevent the post_name from being dropped when the post is
|
|
* transitioned into pending status by a contributor.
|
|
*
|
|
* @since 4.7.0
|
|
* @see wp_insert_post()
|
|
*
|
|
* @param array $post_data An array of slashed post data.
|
|
* @param array $supplied_post_data An array of sanitized, but otherwise unmodified post data.
|
|
* @returns array Filtered data.
|
|
*/
|
|
function _wp_customize_changeset_filter_insert_post_data( $post_data, $supplied_post_data ) {
|
|
if ( isset( $post_data['post_type'] ) && 'customize_changeset' === $post_data['post_type'] ) {
|
|
|
|
// Prevent post_name from being dropped, such as when contributor saves a changeset post as pending.
|
|
if ( empty( $post_data['post_name'] ) && ! empty( $supplied_post_data['post_name'] ) ) {
|
|
$post_data['post_name'] = $supplied_post_data['post_name'];
|
|
}
|
|
}
|
|
return $post_data;
|
|
}
|
|
|
|
/**
|
|
* Adds settings for the customize-loader script.
|
|
*
|
|
* @since 3.4.0
|
|
*/
|
|
function _wp_customize_loader_settings() {
|
|
$admin_origin = parse_url( admin_url() );
|
|
$home_origin = parse_url( home_url() );
|
|
$cross_domain = ( strtolower( $admin_origin[ 'host' ] ) != strtolower( $home_origin[ 'host' ] ) );
|
|
|
|
$browser = array(
|
|
'mobile' => wp_is_mobile(),
|
|
'ios' => wp_is_mobile() && preg_match( '/iPad|iPod|iPhone/', $_SERVER['HTTP_USER_AGENT'] ),
|
|
);
|
|
|
|
$settings = array(
|
|
'url' => esc_url( admin_url( 'customize.php' ) ),
|
|
'isCrossDomain' => $cross_domain,
|
|
'browser' => $browser,
|
|
'l10n' => array(
|
|
'saveAlert' => __( 'The changes you made will be lost if you navigate away from this page.' ),
|
|
'mainIframeTitle' => __( 'Customizer' ),
|
|
),
|
|
);
|
|
|
|
$script = 'var _wpCustomizeLoaderSettings = ' . wp_json_encode( $settings ) . ';';
|
|
|
|
$wp_scripts = wp_scripts();
|
|
$data = $wp_scripts->get_data( 'customize-loader', 'data' );
|
|
if ( $data )
|
|
$script = "$data\n$script";
|
|
|
|
$wp_scripts->add_data( 'customize-loader', 'data', $script );
|
|
}
|
|
|
|
/**
|
|
* Returns a URL to load the Customizer.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @param string $stylesheet Optional. Theme to customize. Defaults to current theme.
|
|
* The theme's stylesheet will be urlencoded if necessary.
|
|
* @return string
|
|
*/
|
|
function wp_customize_url( $stylesheet = null ) {
|
|
$url = admin_url( 'customize.php' );
|
|
if ( $stylesheet )
|
|
$url .= '?theme=' . urlencode( $stylesheet );
|
|
return esc_url( $url );
|
|
}
|
|
|
|
/**
|
|
* Prints a script to check whether or not the Customizer is supported,
|
|
* and apply either the no-customize-support or customize-support class
|
|
* to the body.
|
|
*
|
|
* This function MUST be called inside the body tag.
|
|
*
|
|
* Ideally, call this function immediately after the body tag is opened.
|
|
* This prevents a flash of unstyled content.
|
|
*
|
|
* It is also recommended that you add the "no-customize-support" class
|
|
* to the body tag by default.
|
|
*
|
|
* @since 3.4.0
|
|
* @since 4.7.0 Support for IE8 and below is explicitly removed via conditional comments.
|
|
*/
|
|
function wp_customize_support_script() {
|
|
$admin_origin = parse_url( admin_url() );
|
|
$home_origin = parse_url( home_url() );
|
|
$cross_domain = ( strtolower( $admin_origin[ 'host' ] ) != strtolower( $home_origin[ 'host' ] ) );
|
|
|
|
?>
|
|
<!--[if lte IE 8]>
|
|
<script type="text/javascript">
|
|
document.body.className = document.body.className.replace( /(^|\s)(no-)?customize-support(?=\s|$)/, '' ) + ' no-customize-support';
|
|
</script>
|
|
<![endif]-->
|
|
<!--[if gte IE 9]><!-->
|
|
<script type="text/javascript">
|
|
(function() {
|
|
var request, b = document.body, c = 'className', cs = 'customize-support', rcs = new RegExp('(^|\\s+)(no-)?'+cs+'(\\s+|$)');
|
|
|
|
<?php if ( $cross_domain ) : ?>
|
|
request = (function(){ var xhr = new XMLHttpRequest(); return ('withCredentials' in xhr); })();
|
|
<?php else : ?>
|
|
request = true;
|
|
<?php endif; ?>
|
|
|
|
b[c] = b[c].replace( rcs, ' ' );
|
|
// The customizer requires postMessage and CORS (if the site is cross domain)
|
|
b[c] += ( window.postMessage && request ? ' ' : ' no-' ) + cs;
|
|
}());
|
|
</script>
|
|
<!--<![endif]-->
|
|
<?php
|
|
}
|
|
|
|
/**
|
|
* Whether the site is being previewed in the Customizer.
|
|
*
|
|
* @since 4.0.0
|
|
*
|
|
* @global WP_Customize_Manager $wp_customize Customizer instance.
|
|
*
|
|
* @return bool True if the site is being previewed in the Customizer, false otherwise.
|
|
*/
|
|
function is_customize_preview() {
|
|
global $wp_customize;
|
|
|
|
return ( $wp_customize instanceof WP_Customize_Manager ) && $wp_customize->is_preview();
|
|
}
|
|
|
|
/**
|
|
* Make sure that auto-draft posts get their post_date bumped or status changed to draft to prevent premature garbage-collection.
|
|
*
|
|
* When a changeset is updated but remains an auto-draft, ensure the post_date
|
|
* for the auto-draft posts remains the same so that it will be
|
|
* garbage-collected at the same time by `wp_delete_auto_drafts()`. Otherwise,
|
|
* if the changeset is updated to be a draft then update the posts
|
|
* to have a far-future post_date so that they will never be garbage collected
|
|
* unless the changeset post itself is deleted.
|
|
*
|
|
* When a changeset is updated to be a persistent draft or to be scheduled for
|
|
* publishing, then transition any dependent auto-drafts to a draft status so
|
|
* that they likewise will not be garbage-collected but also so that they can
|
|
* be edited in the admin before publishing since there is not yet a post/page
|
|
* editing flow in the Customizer. See #39752.
|
|
*
|
|
* @link https://core.trac.wordpress.org/ticket/39752
|
|
*
|
|
* @since 4.8.0
|
|
* @access private
|
|
* @see wp_delete_auto_drafts()
|
|
*
|
|
* @param string $new_status Transition to this post status.
|
|
* @param string $old_status Previous post status.
|
|
* @param \WP_Post $post Post data.
|
|
* @global wpdb $wpdb
|
|
*/
|
|
function _wp_keep_alive_customize_changeset_dependent_auto_drafts( $new_status, $old_status, $post ) {
|
|
global $wpdb;
|
|
unset( $old_status );
|
|
|
|
// Short-circuit if not a changeset or if the changeset was published.
|
|
if ( 'customize_changeset' !== $post->post_type || 'publish' === $new_status ) {
|
|
return;
|
|
}
|
|
|
|
$data = json_decode( $post->post_content, true );
|
|
if ( empty( $data['nav_menus_created_posts']['value'] ) ) {
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Actually, in lieu of keeping alive, trash any customization drafts here if the changeset itself is
|
|
* getting trashed. This is needed because when a changeset transitions to a draft, then any of the
|
|
* dependent auto-draft post/page stubs will also get transitioned to customization drafts which
|
|
* are then visible in the WP Admin. We cannot wait for the deletion of the changeset in which
|
|
* _wp_delete_customize_changeset_dependent_auto_drafts() will be called, since they need to be
|
|
* trashed to remove from visibility immediately.
|
|
*/
|
|
if ( 'trash' === $new_status ) {
|
|
foreach ( $data['nav_menus_created_posts']['value'] as $post_id ) {
|
|
if ( ! empty( $post_id ) && 'draft' === get_post_status( $post_id ) ) {
|
|
wp_trash_post( $post_id );
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
$post_args = array();
|
|
if ( 'auto-draft' === $new_status ) {
|
|
/*
|
|
* Keep the post date for the post matching the changeset
|
|
* so that it will not be garbage-collected before the changeset.
|
|
*/
|
|
$post_args['post_date'] = $post->post_date; // Note wp_delete_auto_drafts() only looks at this date.
|
|
} else {
|
|
/*
|
|
* Since the changeset no longer has an auto-draft (and it is not published)
|
|
* it is now a persistent changeset, a long-lived draft, and so any
|
|
* associated auto-draft posts should likewise transition into having a draft
|
|
* status. These drafts will be treated differently than regular drafts in
|
|
* that they will be tied to the given changeset. The publish metabox is
|
|
* replaced with a notice about how the post is part of a set of customized changes
|
|
* which will be published when the changeset is published.
|
|
*/
|
|
$post_args['post_status'] = 'draft';
|
|
}
|
|
|
|
foreach ( $data['nav_menus_created_posts']['value'] as $post_id ) {
|
|
if ( empty( $post_id ) || 'auto-draft' !== get_post_status( $post_id ) ) {
|
|
continue;
|
|
}
|
|
$wpdb->update(
|
|
$wpdb->posts,
|
|
$post_args,
|
|
array( 'ID' => $post_id )
|
|
);
|
|
clean_post_cache( $post_id );
|
|
}
|
|
}
|