1775 lines
53 KiB
PHP
1775 lines
53 KiB
PHP
<?php
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/**
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* WP_Theme Class
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*
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* @package WordPress
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* @subpackage Theme
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* @since 3.4.0
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*/
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final class WP_Theme implements ArrayAccess {
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/**
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* Whether the theme has been marked as updateable.
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*
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* @since 4.4.0
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* @var bool
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*
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* @see WP_MS_Themes_List_Table
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*/
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public $update = false;
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/**
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* Headers for style.css files.
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*
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* @since 3.4.0
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* @since 5.4.0 Added `Requires at least` and `Requires PHP` headers.
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* @var string[]
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*/
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private static $file_headers = array(
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'Name' => 'Theme Name',
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'ThemeURI' => 'Theme URI',
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'Description' => 'Description',
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'Author' => 'Author',
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'AuthorURI' => 'Author URI',
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'Version' => 'Version',
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'Template' => 'Template',
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'Status' => 'Status',
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'Tags' => 'Tags',
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'TextDomain' => 'Text Domain',
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'DomainPath' => 'Domain Path',
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'RequiresWP' => 'Requires at least',
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'RequiresPHP' => 'Requires PHP',
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);
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/**
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* Default themes.
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*
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* @since 3.4.0
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* @since 3.5.0 Added the Twenty Twelve theme.
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* @since 3.6.0 Added the Twenty Thirteen theme.
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* @since 3.8.0 Added the Twenty Fourteen theme.
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* @since 4.1.0 Added the Twenty Fifteen theme.
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* @since 4.4.0 Added the Twenty Sixteen theme.
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* @since 4.7.0 Added the Twenty Seventeen theme.
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* @since 5.0.0 Added the Twenty Nineteen theme.
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* @since 5.3.0 Added the Twenty Twenty theme.
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* @since 5.6.0 Added the Twenty Twenty-One theme.
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* @since 5.9.0 Added the Twenty Twenty-Two theme.
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* @var string[]
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*/
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private static $default_themes = array(
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'classic' => 'WordPress Classic',
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'default' => 'WordPress Default',
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'twentyten' => 'Twenty Ten',
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'twentyeleven' => 'Twenty Eleven',
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'twentytwelve' => 'Twenty Twelve',
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'twentythirteen' => 'Twenty Thirteen',
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'twentyfourteen' => 'Twenty Fourteen',
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'twentyfifteen' => 'Twenty Fifteen',
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'twentysixteen' => 'Twenty Sixteen',
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'twentyseventeen' => 'Twenty Seventeen',
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'twentynineteen' => 'Twenty Nineteen',
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'twentytwenty' => 'Twenty Twenty',
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'twentytwentyone' => 'Twenty Twenty-One',
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'twentytwentytwo' => 'Twenty Twenty-Two',
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);
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/**
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* Renamed theme tags.
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*
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* @since 3.8.0
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* @var string[]
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*/
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private static $tag_map = array(
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'fixed-width' => 'fixed-layout',
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'flexible-width' => 'fluid-layout',
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);
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/**
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* Absolute path to the theme root, usually wp-content/themes
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*
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* @since 3.4.0
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* @var string
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*/
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private $theme_root;
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/**
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* Header data from the theme's style.css file.
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*
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* @since 3.4.0
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* @var array
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*/
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private $headers = array();
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/**
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* Header data from the theme's style.css file after being sanitized.
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*
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* @since 3.4.0
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* @var array
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*/
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private $headers_sanitized;
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/**
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* Header name from the theme's style.css after being translated.
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*
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* Cached due to sorting functions running over the translated name.
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*
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* @since 3.4.0
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* @var string
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*/
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private $name_translated;
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/**
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* Errors encountered when initializing the theme.
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*
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* @since 3.4.0
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* @var WP_Error
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*/
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private $errors;
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/**
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* The directory name of the theme's files, inside the theme root.
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*
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* In the case of a child theme, this is directory name of the child theme.
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* Otherwise, 'stylesheet' is the same as 'template'.
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*
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* @since 3.4.0
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* @var string
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*/
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private $stylesheet;
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/**
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* The directory name of the theme's files, inside the theme root.
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*
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* In the case of a child theme, this is the directory name of the parent theme.
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* Otherwise, 'template' is the same as 'stylesheet'.
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*
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* @since 3.4.0
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* @var string
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*/
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private $template;
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/**
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* A reference to the parent theme, in the case of a child theme.
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*
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* @since 3.4.0
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* @var WP_Theme
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*/
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private $parent;
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/**
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* URL to the theme root, usually an absolute URL to wp-content/themes
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*
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* @since 3.4.0
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* @var string
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*/
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private $theme_root_uri;
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/**
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* Flag for whether the theme's textdomain is loaded.
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*
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* @since 3.4.0
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* @var bool
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*/
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private $textdomain_loaded;
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/**
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* Stores an md5 hash of the theme root, to function as the cache key.
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*
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* @since 3.4.0
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* @var string
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*/
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private $cache_hash;
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/**
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* Flag for whether the themes cache bucket should be persistently cached.
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*
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* Default is false. Can be set with the {@see 'wp_cache_themes_persistently'} filter.
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*
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* @since 3.4.0
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* @var bool
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*/
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private static $persistently_cache;
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/**
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* Expiration time for the themes cache bucket.
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*
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* By default the bucket is not cached, so this value is useless.
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*
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* @since 3.4.0
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* @var bool
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*/
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private static $cache_expiration = 1800;
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/**
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* Constructor for WP_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 $theme_dir Directory of the theme within the theme_root.
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* @param string $theme_root Theme root.
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* @param WP_Theme|null $_child If this theme is a parent theme, the child may be passed for validation purposes.
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*/
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public function __construct( $theme_dir, $theme_root, $_child = null ) {
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global $wp_theme_directories;
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// Initialize caching on first run.
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if ( ! isset( self::$persistently_cache ) ) {
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/** This action is documented in wp-includes/theme.php */
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self::$persistently_cache = apply_filters( 'wp_cache_themes_persistently', false, 'WP_Theme' );
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if ( self::$persistently_cache ) {
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wp_cache_add_global_groups( 'themes' );
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if ( is_int( self::$persistently_cache ) ) {
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self::$cache_expiration = self::$persistently_cache;
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}
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} else {
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wp_cache_add_non_persistent_groups( 'themes' );
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}
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}
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$this->theme_root = $theme_root;
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$this->stylesheet = $theme_dir;
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// Correct a situation where the theme is 'some-directory/some-theme' but 'some-directory' was passed in as part of the theme root instead.
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if ( ! in_array( $theme_root, (array) $wp_theme_directories, true )
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&& in_array( dirname( $theme_root ), (array) $wp_theme_directories, true )
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) {
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$this->stylesheet = basename( $this->theme_root ) . '/' . $this->stylesheet;
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$this->theme_root = dirname( $theme_root );
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}
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$this->cache_hash = md5( $this->theme_root . '/' . $this->stylesheet );
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$theme_file = $this->stylesheet . '/style.css';
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$cache = $this->cache_get( 'theme' );
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if ( is_array( $cache ) ) {
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foreach ( array( 'errors', 'headers', 'template' ) as $key ) {
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if ( isset( $cache[ $key ] ) ) {
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$this->$key = $cache[ $key ];
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}
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}
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if ( $this->errors ) {
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return;
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}
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if ( isset( $cache['theme_root_template'] ) ) {
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$theme_root_template = $cache['theme_root_template'];
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}
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} elseif ( ! file_exists( $this->theme_root . '/' . $theme_file ) ) {
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$this->headers['Name'] = $this->stylesheet;
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if ( ! file_exists( $this->theme_root . '/' . $this->stylesheet ) ) {
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$this->errors = new WP_Error(
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'theme_not_found',
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sprintf(
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/* translators: %s: Theme directory name. */
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__( 'The theme directory "%s" does not exist.' ),
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esc_html( $this->stylesheet )
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)
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);
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} else {
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$this->errors = new WP_Error( 'theme_no_stylesheet', __( 'Stylesheet is missing.' ) );
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}
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$this->template = $this->stylesheet;
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$this->cache_add(
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'theme',
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array(
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'headers' => $this->headers,
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'errors' => $this->errors,
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'stylesheet' => $this->stylesheet,
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'template' => $this->template,
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)
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);
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if ( ! file_exists( $this->theme_root ) ) { // Don't cache this one.
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$this->errors->add( 'theme_root_missing', __( '<strong>Error</strong>: The themes directory is either empty or does not exist. Please check your installation.' ) );
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}
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return;
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} elseif ( ! is_readable( $this->theme_root . '/' . $theme_file ) ) {
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$this->headers['Name'] = $this->stylesheet;
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$this->errors = new WP_Error( 'theme_stylesheet_not_readable', __( 'Stylesheet is not readable.' ) );
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$this->template = $this->stylesheet;
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$this->cache_add(
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'theme',
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array(
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'headers' => $this->headers,
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'errors' => $this->errors,
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'stylesheet' => $this->stylesheet,
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'template' => $this->template,
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)
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);
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return;
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} else {
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$this->headers = get_file_data( $this->theme_root . '/' . $theme_file, self::$file_headers, 'theme' );
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// Default themes always trump their pretenders.
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// Properly identify default themes that are inside a directory within wp-content/themes.
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$default_theme_slug = array_search( $this->headers['Name'], self::$default_themes, true );
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if ( $default_theme_slug ) {
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if ( basename( $this->stylesheet ) != $default_theme_slug ) {
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$this->headers['Name'] .= '/' . $this->stylesheet;
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}
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}
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}
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if ( ! $this->template && $this->stylesheet === $this->headers['Template'] ) {
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$this->errors = new WP_Error(
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'theme_child_invalid',
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sprintf(
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/* translators: %s: Template. */
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__( 'The theme defines itself as its parent theme. Please check the %s header.' ),
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'<code>Template</code>'
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)
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);
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$this->cache_add(
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'theme',
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array(
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'headers' => $this->headers,
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'errors' => $this->errors,
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'stylesheet' => $this->stylesheet,
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)
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);
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return;
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}
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// (If template is set from cache [and there are no errors], we know it's good.)
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if ( ! $this->template ) {
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$this->template = $this->headers['Template'];
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}
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if ( ! $this->template ) {
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$this->template = $this->stylesheet;
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$theme_path = $this->theme_root . '/' . $this->stylesheet;
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if (
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! file_exists( $theme_path . '/templates/index.html' )
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&& ! file_exists( $theme_path . '/block-templates/index.html' ) // Deprecated path support since 5.9.0.
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&& ! file_exists( $theme_path . '/index.php' )
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) {
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$error_message = sprintf(
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/* translators: 1: templates/index.html, 2: index.php, 3: Documentation URL, 4: Template, 5: style.css */
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__( 'Template is missing. Standalone themes need to have a %1$s or %2$s template file. <a href="%3$s">Child themes</a> need to have a %4$s header in the %5$s stylesheet.' ),
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'<code>templates/index.html</code>',
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'<code>index.php</code>',
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__( 'https://developer.wordpress.org/themes/advanced-topics/child-themes/' ),
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'<code>Template</code>',
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'<code>style.css</code>'
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);
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$this->errors = new WP_Error( 'theme_no_index', $error_message );
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$this->cache_add(
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'theme',
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array(
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'headers' => $this->headers,
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'errors' => $this->errors,
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'stylesheet' => $this->stylesheet,
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'template' => $this->template,
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)
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);
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return;
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}
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}
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// If we got our data from cache, we can assume that 'template' is pointing to the right place.
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if ( ! is_array( $cache ) && $this->template != $this->stylesheet && ! file_exists( $this->theme_root . '/' . $this->template . '/index.php' ) ) {
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// If we're in a directory of themes inside /themes, look for the parent nearby.
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// wp-content/themes/directory-of-themes/*
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$parent_dir = dirname( $this->stylesheet );
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$directories = search_theme_directories();
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if ( '.' !== $parent_dir && file_exists( $this->theme_root . '/' . $parent_dir . '/' . $this->template . '/index.php' ) ) {
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$this->template = $parent_dir . '/' . $this->template;
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} elseif ( $directories && isset( $directories[ $this->template ] ) ) {
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// Look for the template in the search_theme_directories() results, in case it is in another theme root.
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// We don't look into directories of themes, just the theme root.
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$theme_root_template = $directories[ $this->template ]['theme_root'];
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} else {
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// Parent theme is missing.
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$this->errors = new WP_Error(
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'theme_no_parent',
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sprintf(
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/* translators: %s: Theme directory name. */
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__( 'The parent theme is missing. Please install the "%s" parent theme.' ),
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esc_html( $this->template )
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)
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);
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$this->cache_add(
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'theme',
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array(
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'headers' => $this->headers,
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'errors' => $this->errors,
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'stylesheet' => $this->stylesheet,
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'template' => $this->template,
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)
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);
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$this->parent = new WP_Theme( $this->template, $this->theme_root, $this );
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return;
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}
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}
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// Set the parent, if we're a child theme.
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if ( $this->template != $this->stylesheet ) {
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// If we are a parent, then there is a problem. Only two generations allowed! Cancel things out.
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if ( $_child instanceof WP_Theme && $_child->template == $this->stylesheet ) {
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$_child->parent = null;
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$_child->errors = new WP_Error(
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'theme_parent_invalid',
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sprintf(
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/* translators: %s: Theme directory name. */
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__( 'The "%s" theme is not a valid parent theme.' ),
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esc_html( $_child->template )
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)
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);
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$_child->cache_add(
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'theme',
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array(
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'headers' => $_child->headers,
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'errors' => $_child->errors,
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'stylesheet' => $_child->stylesheet,
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'template' => $_child->template,
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)
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);
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// The two themes actually reference each other with the Template header.
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if ( $_child->stylesheet == $this->template ) {
|
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$this->errors = new WP_Error(
|
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'theme_parent_invalid',
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sprintf(
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/* translators: %s: Theme directory name. */
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__( 'The "%s" theme is not a valid parent theme.' ),
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esc_html( $this->template )
|
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)
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);
|
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$this->cache_add(
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'theme',
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array(
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'headers' => $this->headers,
|
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'errors' => $this->errors,
|
|
'stylesheet' => $this->stylesheet,
|
|
'template' => $this->template,
|
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)
|
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);
|
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}
|
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return;
|
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}
|
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// Set the parent. Pass the current instance so we can do the crazy checks above and assess errors.
|
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$this->parent = new WP_Theme( $this->template, isset( $theme_root_template ) ? $theme_root_template : $this->theme_root, $this );
|
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}
|
|
|
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if ( wp_paused_themes()->get( $this->stylesheet ) && ( ! is_wp_error( $this->errors ) || ! isset( $this->errors->errors['theme_paused'] ) ) ) {
|
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$this->errors = new WP_Error( 'theme_paused', __( 'This theme failed to load properly and was paused within the admin backend.' ) );
|
|
}
|
|
|
|
// We're good. If we didn't retrieve from cache, set it.
|
|
if ( ! is_array( $cache ) ) {
|
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$cache = array(
|
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'headers' => $this->headers,
|
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'errors' => $this->errors,
|
|
'stylesheet' => $this->stylesheet,
|
|
'template' => $this->template,
|
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);
|
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// If the parent theme is in another root, we'll want to cache this. Avoids an entire branch of filesystem calls above.
|
|
if ( isset( $theme_root_template ) ) {
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$cache['theme_root_template'] = $theme_root_template;
|
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}
|
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$this->cache_add( 'theme', $cache );
|
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}
|
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}
|
|
|
|
/**
|
|
* When converting the object to a string, the theme name is returned.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @return string Theme name, ready for display (translated)
|
|
*/
|
|
public function __toString() {
|
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return (string) $this->display( 'Name' );
|
|
}
|
|
|
|
/**
|
|
* __isset() magic method for properties formerly returned by current_theme_info()
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @param string $offset Property to check if set.
|
|
* @return bool Whether the given property is set.
|
|
*/
|
|
public function __isset( $offset ) {
|
|
static $properties = array(
|
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'name',
|
|
'title',
|
|
'version',
|
|
'parent_theme',
|
|
'template_dir',
|
|
'stylesheet_dir',
|
|
'template',
|
|
'stylesheet',
|
|
'screenshot',
|
|
'description',
|
|
'author',
|
|
'tags',
|
|
'theme_root',
|
|
'theme_root_uri',
|
|
);
|
|
|
|
return in_array( $offset, $properties, true );
|
|
}
|
|
|
|
/**
|
|
* __get() magic method for properties formerly returned by current_theme_info()
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @param string $offset Property to get.
|
|
* @return mixed Property value.
|
|
*/
|
|
public function __get( $offset ) {
|
|
switch ( $offset ) {
|
|
case 'name':
|
|
case 'title':
|
|
return $this->get( 'Name' );
|
|
case 'version':
|
|
return $this->get( 'Version' );
|
|
case 'parent_theme':
|
|
return $this->parent() ? $this->parent()->get( 'Name' ) : '';
|
|
case 'template_dir':
|
|
return $this->get_template_directory();
|
|
case 'stylesheet_dir':
|
|
return $this->get_stylesheet_directory();
|
|
case 'template':
|
|
return $this->get_template();
|
|
case 'stylesheet':
|
|
return $this->get_stylesheet();
|
|
case 'screenshot':
|
|
return $this->get_screenshot( 'relative' );
|
|
// 'author' and 'description' did not previously return translated data.
|
|
case 'description':
|
|
return $this->display( 'Description' );
|
|
case 'author':
|
|
return $this->display( 'Author' );
|
|
case 'tags':
|
|
return $this->get( 'Tags' );
|
|
case 'theme_root':
|
|
return $this->get_theme_root();
|
|
case 'theme_root_uri':
|
|
return $this->get_theme_root_uri();
|
|
// For cases where the array was converted to an object.
|
|
default:
|
|
return $this->offsetGet( $offset );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Method to implement ArrayAccess for keys formerly returned by get_themes()
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @param mixed $offset
|
|
* @param mixed $value
|
|
*/
|
|
#[ReturnTypeWillChange]
|
|
public function offsetSet( $offset, $value ) {}
|
|
|
|
/**
|
|
* Method to implement ArrayAccess for keys formerly returned by get_themes()
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @param mixed $offset
|
|
*/
|
|
#[ReturnTypeWillChange]
|
|
public function offsetUnset( $offset ) {}
|
|
|
|
/**
|
|
* Method to implement ArrayAccess for keys formerly returned by get_themes()
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @param mixed $offset
|
|
* @return bool
|
|
*/
|
|
#[ReturnTypeWillChange]
|
|
public function offsetExists( $offset ) {
|
|
static $keys = array(
|
|
'Name',
|
|
'Version',
|
|
'Status',
|
|
'Title',
|
|
'Author',
|
|
'Author Name',
|
|
'Author URI',
|
|
'Description',
|
|
'Template',
|
|
'Stylesheet',
|
|
'Template Files',
|
|
'Stylesheet Files',
|
|
'Template Dir',
|
|
'Stylesheet Dir',
|
|
'Screenshot',
|
|
'Tags',
|
|
'Theme Root',
|
|
'Theme Root URI',
|
|
'Parent Theme',
|
|
);
|
|
|
|
return in_array( $offset, $keys, true );
|
|
}
|
|
|
|
/**
|
|
* Method to implement ArrayAccess for keys formerly returned by get_themes().
|
|
*
|
|
* Author, Author Name, Author URI, and Description did not previously return
|
|
* translated data. We are doing so now as it is safe to do. However, as
|
|
* Name and Title could have been used as the key for get_themes(), both remain
|
|
* untranslated for back compatibility. This means that ['Name'] is not ideal,
|
|
* and care should be taken to use `$theme::display( 'Name' )` to get a properly
|
|
* translated header.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @param mixed $offset
|
|
* @return mixed
|
|
*/
|
|
#[ReturnTypeWillChange]
|
|
public function offsetGet( $offset ) {
|
|
switch ( $offset ) {
|
|
case 'Name':
|
|
case 'Title':
|
|
/*
|
|
* See note above about using translated data. get() is not ideal.
|
|
* It is only for backward compatibility. Use display().
|
|
*/
|
|
return $this->get( 'Name' );
|
|
case 'Author':
|
|
return $this->display( 'Author' );
|
|
case 'Author Name':
|
|
return $this->display( 'Author', false );
|
|
case 'Author URI':
|
|
return $this->display( 'AuthorURI' );
|
|
case 'Description':
|
|
return $this->display( 'Description' );
|
|
case 'Version':
|
|
case 'Status':
|
|
return $this->get( $offset );
|
|
case 'Template':
|
|
return $this->get_template();
|
|
case 'Stylesheet':
|
|
return $this->get_stylesheet();
|
|
case 'Template Files':
|
|
return $this->get_files( 'php', 1, true );
|
|
case 'Stylesheet Files':
|
|
return $this->get_files( 'css', 0, false );
|
|
case 'Template Dir':
|
|
return $this->get_template_directory();
|
|
case 'Stylesheet Dir':
|
|
return $this->get_stylesheet_directory();
|
|
case 'Screenshot':
|
|
return $this->get_screenshot( 'relative' );
|
|
case 'Tags':
|
|
return $this->get( 'Tags' );
|
|
case 'Theme Root':
|
|
return $this->get_theme_root();
|
|
case 'Theme Root URI':
|
|
return $this->get_theme_root_uri();
|
|
case 'Parent Theme':
|
|
return $this->parent() ? $this->parent()->get( 'Name' ) : '';
|
|
default:
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns errors property.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @return WP_Error|false WP_Error if there are errors, or false.
|
|
*/
|
|
public function errors() {
|
|
return is_wp_error( $this->errors ) ? $this->errors : false;
|
|
}
|
|
|
|
/**
|
|
* Determines whether the theme exists.
|
|
*
|
|
* A theme with errors exists. A theme with the error of 'theme_not_found',
|
|
* meaning that the theme's directory was not found, does not exist.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @return bool Whether the theme exists.
|
|
*/
|
|
public function exists() {
|
|
return ! ( $this->errors() && in_array( 'theme_not_found', $this->errors()->get_error_codes(), true ) );
|
|
}
|
|
|
|
/**
|
|
* Returns reference to the parent theme.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @return WP_Theme|false Parent theme, or false if the active theme is not a child theme.
|
|
*/
|
|
public function parent() {
|
|
return isset( $this->parent ) ? $this->parent : false;
|
|
}
|
|
|
|
/**
|
|
* Adds theme data to cache.
|
|
*
|
|
* Cache entries keyed by the theme and the type of data.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @param string $key Type of data to store (theme, screenshot, headers, post_templates)
|
|
* @param array|string $data Data to store
|
|
* @return bool Return value from wp_cache_add()
|
|
*/
|
|
private function cache_add( $key, $data ) {
|
|
return wp_cache_add( $key . '-' . $this->cache_hash, $data, 'themes', self::$cache_expiration );
|
|
}
|
|
|
|
/**
|
|
* Gets theme data from cache.
|
|
*
|
|
* Cache entries are keyed by the theme and the type of data.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @param string $key Type of data to retrieve (theme, screenshot, headers, post_templates)
|
|
* @return mixed Retrieved data
|
|
*/
|
|
private function cache_get( $key ) {
|
|
return wp_cache_get( $key . '-' . $this->cache_hash, 'themes' );
|
|
}
|
|
|
|
/**
|
|
* Clears the cache for the theme.
|
|
*
|
|
* @since 3.4.0
|
|
*/
|
|
public function cache_delete() {
|
|
foreach ( array( 'theme', 'screenshot', 'headers', 'post_templates' ) as $key ) {
|
|
wp_cache_delete( $key . '-' . $this->cache_hash, 'themes' );
|
|
}
|
|
$this->template = null;
|
|
$this->textdomain_loaded = null;
|
|
$this->theme_root_uri = null;
|
|
$this->parent = null;
|
|
$this->errors = null;
|
|
$this->headers_sanitized = null;
|
|
$this->name_translated = null;
|
|
$this->headers = array();
|
|
$this->__construct( $this->stylesheet, $this->theme_root );
|
|
}
|
|
|
|
/**
|
|
* Gets a raw, unformatted theme header.
|
|
*
|
|
* The header is sanitized, but is not translated, and is not marked up for display.
|
|
* To get a theme header for display, use the display() method.
|
|
*
|
|
* Use the get_template() method, not the 'Template' header, for finding the template.
|
|
* The 'Template' header is only good for what was written in the style.css, while
|
|
* get_template() takes into account where WordPress actually located the theme and
|
|
* whether it is actually valid.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @param string $header Theme header. Name, Description, Author, Version, ThemeURI, AuthorURI, Status, Tags.
|
|
* @return string|array|false String or array (for Tags header) on success, false on failure.
|
|
*/
|
|
public function get( $header ) {
|
|
if ( ! isset( $this->headers[ $header ] ) ) {
|
|
return false;
|
|
}
|
|
|
|
if ( ! isset( $this->headers_sanitized ) ) {
|
|
$this->headers_sanitized = $this->cache_get( 'headers' );
|
|
if ( ! is_array( $this->headers_sanitized ) ) {
|
|
$this->headers_sanitized = array();
|
|
}
|
|
}
|
|
|
|
if ( isset( $this->headers_sanitized[ $header ] ) ) {
|
|
return $this->headers_sanitized[ $header ];
|
|
}
|
|
|
|
// If themes are a persistent group, sanitize everything and cache it. One cache add is better than many cache sets.
|
|
if ( self::$persistently_cache ) {
|
|
foreach ( array_keys( $this->headers ) as $_header ) {
|
|
$this->headers_sanitized[ $_header ] = $this->sanitize_header( $_header, $this->headers[ $_header ] );
|
|
}
|
|
$this->cache_add( 'headers', $this->headers_sanitized );
|
|
} else {
|
|
$this->headers_sanitized[ $header ] = $this->sanitize_header( $header, $this->headers[ $header ] );
|
|
}
|
|
|
|
return $this->headers_sanitized[ $header ];
|
|
}
|
|
|
|
/**
|
|
* Gets a theme header, formatted and translated for display.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @param string $header Theme header. Name, Description, Author, Version, ThemeURI, AuthorURI, Status, Tags.
|
|
* @param bool $markup Optional. Whether to mark up the header. Defaults to true.
|
|
* @param bool $translate Optional. Whether to translate the header. Defaults to true.
|
|
* @return string|array|false Processed header. An array for Tags if `$markup` is false, string otherwise.
|
|
* False on failure.
|
|
*/
|
|
public function display( $header, $markup = true, $translate = true ) {
|
|
$value = $this->get( $header );
|
|
if ( false === $value ) {
|
|
return false;
|
|
}
|
|
|
|
if ( $translate && ( empty( $value ) || ! $this->load_textdomain() ) ) {
|
|
$translate = false;
|
|
}
|
|
|
|
if ( $translate ) {
|
|
$value = $this->translate_header( $header, $value );
|
|
}
|
|
|
|
if ( $markup ) {
|
|
$value = $this->markup_header( $header, $value, $translate );
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* Sanitizes a theme header.
|
|
*
|
|
* @since 3.4.0
|
|
* @since 5.4.0 Added support for `Requires at least` and `Requires PHP` headers.
|
|
*
|
|
* @param string $header Theme header. Accepts 'Name', 'Description', 'Author', 'Version',
|
|
* 'ThemeURI', 'AuthorURI', 'Status', 'Tags', 'RequiresWP', 'RequiresPHP'.
|
|
* @param string $value Value to sanitize.
|
|
* @return string|array An array for Tags header, string otherwise.
|
|
*/
|
|
private function sanitize_header( $header, $value ) {
|
|
switch ( $header ) {
|
|
case 'Status':
|
|
if ( ! $value ) {
|
|
$value = 'publish';
|
|
break;
|
|
}
|
|
// Fall through otherwise.
|
|
case 'Name':
|
|
static $header_tags = array(
|
|
'abbr' => array( 'title' => true ),
|
|
'acronym' => array( 'title' => true ),
|
|
'code' => true,
|
|
'em' => true,
|
|
'strong' => true,
|
|
);
|
|
|
|
$value = wp_kses( $value, $header_tags );
|
|
break;
|
|
case 'Author':
|
|
// There shouldn't be anchor tags in Author, but some themes like to be challenging.
|
|
case 'Description':
|
|
static $header_tags_with_a = array(
|
|
'a' => array(
|
|
'href' => true,
|
|
'title' => true,
|
|
),
|
|
'abbr' => array( 'title' => true ),
|
|
'acronym' => array( 'title' => true ),
|
|
'code' => true,
|
|
'em' => true,
|
|
'strong' => true,
|
|
);
|
|
|
|
$value = wp_kses( $value, $header_tags_with_a );
|
|
break;
|
|
case 'ThemeURI':
|
|
case 'AuthorURI':
|
|
$value = sanitize_url( $value );
|
|
break;
|
|
case 'Tags':
|
|
$value = array_filter( array_map( 'trim', explode( ',', strip_tags( $value ) ) ) );
|
|
break;
|
|
case 'Version':
|
|
case 'RequiresWP':
|
|
case 'RequiresPHP':
|
|
$value = strip_tags( $value );
|
|
break;
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* Marks up a theme header.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @param string $header Theme header. Name, Description, Author, Version, ThemeURI, AuthorURI, Status, Tags.
|
|
* @param string|array $value Value to mark up. An array for Tags header, string otherwise.
|
|
* @param string $translate Whether the header has been translated.
|
|
* @return string Value, marked up.
|
|
*/
|
|
private function markup_header( $header, $value, $translate ) {
|
|
switch ( $header ) {
|
|
case 'Name':
|
|
if ( empty( $value ) ) {
|
|
$value = esc_html( $this->get_stylesheet() );
|
|
}
|
|
break;
|
|
case 'Description':
|
|
$value = wptexturize( $value );
|
|
break;
|
|
case 'Author':
|
|
if ( $this->get( 'AuthorURI' ) ) {
|
|
$value = sprintf( '<a href="%1$s">%2$s</a>', $this->display( 'AuthorURI', true, $translate ), $value );
|
|
} elseif ( ! $value ) {
|
|
$value = __( 'Anonymous' );
|
|
}
|
|
break;
|
|
case 'Tags':
|
|
static $comma = null;
|
|
if ( ! isset( $comma ) ) {
|
|
$comma = wp_get_list_item_separator();
|
|
}
|
|
$value = implode( $comma, $value );
|
|
break;
|
|
case 'ThemeURI':
|
|
case 'AuthorURI':
|
|
$value = esc_url( $value );
|
|
break;
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* Translates a theme header.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @param string $header Theme header. Name, Description, Author, Version, ThemeURI, AuthorURI, Status, Tags.
|
|
* @param string|array $value Value to translate. An array for Tags header, string otherwise.
|
|
* @return string|array Translated value. An array for Tags header, string otherwise.
|
|
*/
|
|
private function translate_header( $header, $value ) {
|
|
switch ( $header ) {
|
|
case 'Name':
|
|
// Cached for sorting reasons.
|
|
if ( isset( $this->name_translated ) ) {
|
|
return $this->name_translated;
|
|
}
|
|
|
|
// phpcs:ignore WordPress.WP.I18n.LowLevelTranslationFunction,WordPress.WP.I18n.NonSingularStringLiteralText,WordPress.WP.I18n.NonSingularStringLiteralDomain
|
|
$this->name_translated = translate( $value, $this->get( 'TextDomain' ) );
|
|
|
|
return $this->name_translated;
|
|
case 'Tags':
|
|
if ( empty( $value ) || ! function_exists( 'get_theme_feature_list' ) ) {
|
|
return $value;
|
|
}
|
|
|
|
static $tags_list;
|
|
if ( ! isset( $tags_list ) ) {
|
|
$tags_list = array(
|
|
// As of 4.6, deprecated tags which are only used to provide translation for older themes.
|
|
'black' => __( 'Black' ),
|
|
'blue' => __( 'Blue' ),
|
|
'brown' => __( 'Brown' ),
|
|
'gray' => __( 'Gray' ),
|
|
'green' => __( 'Green' ),
|
|
'orange' => __( 'Orange' ),
|
|
'pink' => __( 'Pink' ),
|
|
'purple' => __( 'Purple' ),
|
|
'red' => __( 'Red' ),
|
|
'silver' => __( 'Silver' ),
|
|
'tan' => __( 'Tan' ),
|
|
'white' => __( 'White' ),
|
|
'yellow' => __( 'Yellow' ),
|
|
'dark' => _x( 'Dark', 'color scheme' ),
|
|
'light' => _x( 'Light', 'color scheme' ),
|
|
'fixed-layout' => __( 'Fixed Layout' ),
|
|
'fluid-layout' => __( 'Fluid Layout' ),
|
|
'responsive-layout' => __( 'Responsive Layout' ),
|
|
'blavatar' => __( 'Blavatar' ),
|
|
'photoblogging' => __( 'Photoblogging' ),
|
|
'seasonal' => __( 'Seasonal' ),
|
|
);
|
|
|
|
$feature_list = get_theme_feature_list( false ); // No API.
|
|
|
|
foreach ( $feature_list as $tags ) {
|
|
$tags_list += $tags;
|
|
}
|
|
}
|
|
|
|
foreach ( $value as &$tag ) {
|
|
if ( isset( $tags_list[ $tag ] ) ) {
|
|
$tag = $tags_list[ $tag ];
|
|
} elseif ( isset( self::$tag_map[ $tag ] ) ) {
|
|
$tag = $tags_list[ self::$tag_map[ $tag ] ];
|
|
}
|
|
}
|
|
|
|
return $value;
|
|
|
|
default:
|
|
// phpcs:ignore WordPress.WP.I18n.LowLevelTranslationFunction,WordPress.WP.I18n.NonSingularStringLiteralText,WordPress.WP.I18n.NonSingularStringLiteralDomain
|
|
$value = translate( $value, $this->get( 'TextDomain' ) );
|
|
}
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* Returns the directory name of the theme's "stylesheet" files, inside the theme root.
|
|
*
|
|
* In the case of a child theme, this is directory name of the child theme.
|
|
* Otherwise, get_stylesheet() is the same as get_template().
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @return string Stylesheet
|
|
*/
|
|
public function get_stylesheet() {
|
|
return $this->stylesheet;
|
|
}
|
|
|
|
/**
|
|
* Returns the directory name of the theme's "template" files, inside the theme root.
|
|
*
|
|
* In the case of a child theme, this is the directory name of the parent theme.
|
|
* Otherwise, the get_template() is the same as get_stylesheet().
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @return string Template
|
|
*/
|
|
public function get_template() {
|
|
return $this->template;
|
|
}
|
|
|
|
/**
|
|
* Returns the absolute path to the directory of a theme's "stylesheet" files.
|
|
*
|
|
* In the case of a child theme, this is the absolute path to the directory
|
|
* of the child theme's files.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @return string Absolute path of the stylesheet directory.
|
|
*/
|
|
public function get_stylesheet_directory() {
|
|
if ( $this->errors() && in_array( 'theme_root_missing', $this->errors()->get_error_codes(), true ) ) {
|
|
return '';
|
|
}
|
|
|
|
return $this->theme_root . '/' . $this->stylesheet;
|
|
}
|
|
|
|
/**
|
|
* Returns the absolute path to the directory of a theme's "template" files.
|
|
*
|
|
* In the case of a child theme, this is the absolute path to the directory
|
|
* of the parent theme's files.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @return string Absolute path of the template directory.
|
|
*/
|
|
public function get_template_directory() {
|
|
if ( $this->parent() ) {
|
|
$theme_root = $this->parent()->theme_root;
|
|
} else {
|
|
$theme_root = $this->theme_root;
|
|
}
|
|
|
|
return $theme_root . '/' . $this->template;
|
|
}
|
|
|
|
/**
|
|
* Returns the URL to the directory of a theme's "stylesheet" files.
|
|
*
|
|
* In the case of a child theme, this is the URL to the directory of the
|
|
* child theme's files.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @return string URL to the stylesheet directory.
|
|
*/
|
|
public function get_stylesheet_directory_uri() {
|
|
return $this->get_theme_root_uri() . '/' . str_replace( '%2F', '/', rawurlencode( $this->stylesheet ) );
|
|
}
|
|
|
|
/**
|
|
* Returns the URL to the directory of a theme's "template" files.
|
|
*
|
|
* In the case of a child theme, this is the URL to the directory of the
|
|
* parent theme's files.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @return string URL to the template directory.
|
|
*/
|
|
public function get_template_directory_uri() {
|
|
if ( $this->parent() ) {
|
|
$theme_root_uri = $this->parent()->get_theme_root_uri();
|
|
} else {
|
|
$theme_root_uri = $this->get_theme_root_uri();
|
|
}
|
|
|
|
return $theme_root_uri . '/' . str_replace( '%2F', '/', rawurlencode( $this->template ) );
|
|
}
|
|
|
|
/**
|
|
* Returns the absolute path to the directory of the theme root.
|
|
*
|
|
* This is typically the absolute path to wp-content/themes.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @return string Theme root.
|
|
*/
|
|
public function get_theme_root() {
|
|
return $this->theme_root;
|
|
}
|
|
|
|
/**
|
|
* Returns the URL to the directory of the theme root.
|
|
*
|
|
* This is typically the absolute URL to wp-content/themes. This forms the basis
|
|
* for all other URLs returned by WP_Theme, so we pass it to the public function
|
|
* get_theme_root_uri() and allow it to run the {@see 'theme_root_uri'} filter.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @return string Theme root URI.
|
|
*/
|
|
public function get_theme_root_uri() {
|
|
if ( ! isset( $this->theme_root_uri ) ) {
|
|
$this->theme_root_uri = get_theme_root_uri( $this->stylesheet, $this->theme_root );
|
|
}
|
|
return $this->theme_root_uri;
|
|
}
|
|
|
|
/**
|
|
* Returns the main screenshot file for the theme.
|
|
*
|
|
* The main screenshot is called screenshot.png. gif and jpg extensions are also allowed.
|
|
*
|
|
* Screenshots for a theme must be in the stylesheet directory. (In the case of child
|
|
* themes, parent theme screenshots are not inherited.)
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @param string $uri Type of URL to return, either 'relative' or an absolute URI. Defaults to absolute URI.
|
|
* @return string|false Screenshot file. False if the theme does not have a screenshot.
|
|
*/
|
|
public function get_screenshot( $uri = 'uri' ) {
|
|
$screenshot = $this->cache_get( 'screenshot' );
|
|
if ( $screenshot ) {
|
|
if ( 'relative' === $uri ) {
|
|
return $screenshot;
|
|
}
|
|
return $this->get_stylesheet_directory_uri() . '/' . $screenshot;
|
|
} elseif ( 0 === $screenshot ) {
|
|
return false;
|
|
}
|
|
|
|
foreach ( array( 'png', 'gif', 'jpg', 'jpeg', 'webp' ) as $ext ) {
|
|
if ( file_exists( $this->get_stylesheet_directory() . "/screenshot.$ext" ) ) {
|
|
$this->cache_add( 'screenshot', 'screenshot.' . $ext );
|
|
if ( 'relative' === $uri ) {
|
|
return 'screenshot.' . $ext;
|
|
}
|
|
return $this->get_stylesheet_directory_uri() . '/' . 'screenshot.' . $ext;
|
|
}
|
|
}
|
|
|
|
$this->cache_add( 'screenshot', 0 );
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Returns files in the theme's directory.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @param string[]|string $type Optional. Array of extensions to find, string of a single extension,
|
|
* or null for all extensions. Default null.
|
|
* @param int $depth Optional. How deep to search for files. Defaults to a flat scan (0 depth).
|
|
* -1 depth is infinite.
|
|
* @param bool $search_parent Optional. Whether to return parent files. Default false.
|
|
* @return string[] Array of files, keyed by the path to the file relative to the theme's directory, with the values
|
|
* being absolute paths.
|
|
*/
|
|
public function get_files( $type = null, $depth = 0, $search_parent = false ) {
|
|
$files = (array) self::scandir( $this->get_stylesheet_directory(), $type, $depth );
|
|
|
|
if ( $search_parent && $this->parent() ) {
|
|
$files += (array) self::scandir( $this->get_template_directory(), $type, $depth );
|
|
}
|
|
|
|
return array_filter( $files );
|
|
}
|
|
|
|
/**
|
|
* Returns the theme's post templates.
|
|
*
|
|
* @since 4.7.0
|
|
* @since 5.8.0 Include block templates.
|
|
*
|
|
* @return array[] Array of page template arrays, keyed by post type and filename,
|
|
* with the value of the translated header name.
|
|
*/
|
|
public function get_post_templates() {
|
|
// If you screw up your active theme and we invalidate your parent, most things still work. Let it slide.
|
|
if ( $this->errors() && $this->errors()->get_error_codes() !== array( 'theme_parent_invalid' ) ) {
|
|
return array();
|
|
}
|
|
|
|
$post_templates = $this->cache_get( 'post_templates' );
|
|
|
|
if ( ! is_array( $post_templates ) ) {
|
|
$post_templates = array();
|
|
|
|
$files = (array) $this->get_files( 'php', 1, true );
|
|
|
|
foreach ( $files as $file => $full_path ) {
|
|
if ( ! preg_match( '|Template Name:(.*)$|mi', file_get_contents( $full_path ), $header ) ) {
|
|
continue;
|
|
}
|
|
|
|
$types = array( 'page' );
|
|
if ( preg_match( '|Template Post Type:(.*)$|mi', file_get_contents( $full_path ), $type ) ) {
|
|
$types = explode( ',', _cleanup_header_comment( $type[1] ) );
|
|
}
|
|
|
|
foreach ( $types as $type ) {
|
|
$type = sanitize_key( $type );
|
|
if ( ! isset( $post_templates[ $type ] ) ) {
|
|
$post_templates[ $type ] = array();
|
|
}
|
|
|
|
$post_templates[ $type ][ $file ] = _cleanup_header_comment( $header[1] );
|
|
}
|
|
}
|
|
|
|
if ( current_theme_supports( 'block-templates' ) ) {
|
|
$block_templates = get_block_templates( array(), 'wp_template' );
|
|
foreach ( get_post_types( array( 'public' => true ) ) as $type ) {
|
|
foreach ( $block_templates as $block_template ) {
|
|
if ( ! $block_template->is_custom ) {
|
|
continue;
|
|
}
|
|
|
|
if ( isset( $block_template->post_types ) && ! in_array( $type, $block_template->post_types, true ) ) {
|
|
continue;
|
|
}
|
|
|
|
$post_templates[ $type ][ $block_template->slug ] = $block_template->title;
|
|
}
|
|
}
|
|
}
|
|
|
|
$this->cache_add( 'post_templates', $post_templates );
|
|
}
|
|
|
|
if ( $this->load_textdomain() ) {
|
|
foreach ( $post_templates as &$post_type ) {
|
|
foreach ( $post_type as &$post_template ) {
|
|
$post_template = $this->translate_header( 'Template Name', $post_template );
|
|
}
|
|
}
|
|
}
|
|
|
|
return $post_templates;
|
|
}
|
|
|
|
/**
|
|
* Returns the theme's post templates for a given post type.
|
|
*
|
|
* @since 3.4.0
|
|
* @since 4.7.0 Added the `$post_type` parameter.
|
|
*
|
|
* @param WP_Post|null $post Optional. The post being edited, provided for context.
|
|
* @param string $post_type Optional. Post type to get the templates for. Default 'page'.
|
|
* If a post is provided, its post type is used.
|
|
* @return string[] Array of template header names keyed by the template file name.
|
|
*/
|
|
public function get_page_templates( $post = null, $post_type = 'page' ) {
|
|
if ( $post ) {
|
|
$post_type = get_post_type( $post );
|
|
}
|
|
|
|
$post_templates = $this->get_post_templates();
|
|
$post_templates = isset( $post_templates[ $post_type ] ) ? $post_templates[ $post_type ] : array();
|
|
|
|
/**
|
|
* Filters list of page templates for a theme.
|
|
*
|
|
* @since 4.9.6
|
|
*
|
|
* @param string[] $post_templates Array of template header names keyed by the template file name.
|
|
* @param WP_Theme $theme The theme object.
|
|
* @param WP_Post|null $post The post being edited, provided for context, or null.
|
|
* @param string $post_type Post type to get the templates for.
|
|
*/
|
|
$post_templates = (array) apply_filters( 'theme_templates', $post_templates, $this, $post, $post_type );
|
|
|
|
/**
|
|
* Filters list of page templates for a theme.
|
|
*
|
|
* The dynamic portion of the hook name, `$post_type`, refers to the post type.
|
|
*
|
|
* Possible hook names include:
|
|
*
|
|
* - `theme_post_templates`
|
|
* - `theme_page_templates`
|
|
* - `theme_attachment_templates`
|
|
*
|
|
* @since 3.9.0
|
|
* @since 4.4.0 Converted to allow complete control over the `$page_templates` array.
|
|
* @since 4.7.0 Added the `$post_type` parameter.
|
|
*
|
|
* @param string[] $post_templates Array of template header names keyed by the template file name.
|
|
* @param WP_Theme $theme The theme object.
|
|
* @param WP_Post|null $post The post being edited, provided for context, or null.
|
|
* @param string $post_type Post type to get the templates for.
|
|
*/
|
|
$post_templates = (array) apply_filters( "theme_{$post_type}_templates", $post_templates, $this, $post, $post_type );
|
|
|
|
return $post_templates;
|
|
}
|
|
|
|
/**
|
|
* Scans a directory for files of a certain extension.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @param string $path Absolute path to search.
|
|
* @param array|string|null $extensions Optional. Array of extensions to find, string of a single extension,
|
|
* or null for all extensions. Default null.
|
|
* @param int $depth Optional. How many levels deep to search for files. Accepts 0, 1+, or
|
|
* -1 (infinite depth). Default 0.
|
|
* @param string $relative_path Optional. The basename of the absolute path. Used to control the
|
|
* returned path for the found files, particularly when this function
|
|
* recurses to lower depths. Default empty.
|
|
* @return string[]|false Array of files, keyed by the path to the file relative to the `$path` directory prepended
|
|
* with `$relative_path`, with the values being absolute paths. False otherwise.
|
|
*/
|
|
private static function scandir( $path, $extensions = null, $depth = 0, $relative_path = '' ) {
|
|
if ( ! is_dir( $path ) ) {
|
|
return false;
|
|
}
|
|
|
|
if ( $extensions ) {
|
|
$extensions = (array) $extensions;
|
|
$_extensions = implode( '|', $extensions );
|
|
}
|
|
|
|
$relative_path = trailingslashit( $relative_path );
|
|
if ( '/' === $relative_path ) {
|
|
$relative_path = '';
|
|
}
|
|
|
|
$results = scandir( $path );
|
|
$files = array();
|
|
|
|
/**
|
|
* Filters the array of excluded directories and files while scanning theme folder.
|
|
*
|
|
* @since 4.7.4
|
|
*
|
|
* @param string[] $exclusions Array of excluded directories and files.
|
|
*/
|
|
$exclusions = (array) apply_filters( 'theme_scandir_exclusions', array( 'CVS', 'node_modules', 'vendor', 'bower_components' ) );
|
|
|
|
foreach ( $results as $result ) {
|
|
if ( '.' === $result[0] || in_array( $result, $exclusions, true ) ) {
|
|
continue;
|
|
}
|
|
if ( is_dir( $path . '/' . $result ) ) {
|
|
if ( ! $depth ) {
|
|
continue;
|
|
}
|
|
$found = self::scandir( $path . '/' . $result, $extensions, $depth - 1, $relative_path . $result );
|
|
$files = array_merge_recursive( $files, $found );
|
|
} elseif ( ! $extensions || preg_match( '~\.(' . $_extensions . ')$~', $result ) ) {
|
|
$files[ $relative_path . $result ] = $path . '/' . $result;
|
|
}
|
|
}
|
|
|
|
return $files;
|
|
}
|
|
|
|
/**
|
|
* Loads the theme's textdomain.
|
|
*
|
|
* Translation files are not inherited from the parent theme. TODO: If this fails for the
|
|
* child theme, it should probably try to load the parent theme's translations.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @return bool True if the textdomain was successfully loaded or has already been loaded.
|
|
* False if no textdomain was specified in the file headers, or if the domain could not be loaded.
|
|
*/
|
|
public function load_textdomain() {
|
|
if ( isset( $this->textdomain_loaded ) ) {
|
|
return $this->textdomain_loaded;
|
|
}
|
|
|
|
$textdomain = $this->get( 'TextDomain' );
|
|
if ( ! $textdomain ) {
|
|
$this->textdomain_loaded = false;
|
|
return false;
|
|
}
|
|
|
|
if ( is_textdomain_loaded( $textdomain ) ) {
|
|
$this->textdomain_loaded = true;
|
|
return true;
|
|
}
|
|
|
|
$path = $this->get_stylesheet_directory();
|
|
$domainpath = $this->get( 'DomainPath' );
|
|
if ( $domainpath ) {
|
|
$path .= $domainpath;
|
|
} else {
|
|
$path .= '/languages';
|
|
}
|
|
|
|
$this->textdomain_loaded = load_theme_textdomain( $textdomain, $path );
|
|
return $this->textdomain_loaded;
|
|
}
|
|
|
|
/**
|
|
* Determines whether the theme is allowed (multisite only).
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @param string $check Optional. Whether to check only the 'network'-wide settings, the 'site'
|
|
* settings, or 'both'. Defaults to 'both'.
|
|
* @param int $blog_id Optional. Ignored if only network-wide settings are checked. Defaults to current site.
|
|
* @return bool Whether the theme is allowed for the network. Returns true in single-site.
|
|
*/
|
|
public function is_allowed( $check = 'both', $blog_id = null ) {
|
|
if ( ! is_multisite() ) {
|
|
return true;
|
|
}
|
|
|
|
if ( 'both' === $check || 'network' === $check ) {
|
|
$allowed = self::get_allowed_on_network();
|
|
if ( ! empty( $allowed[ $this->get_stylesheet() ] ) ) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
if ( 'both' === $check || 'site' === $check ) {
|
|
$allowed = self::get_allowed_on_site( $blog_id );
|
|
if ( ! empty( $allowed[ $this->get_stylesheet() ] ) ) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Returns whether this theme is a block-based theme or not.
|
|
*
|
|
* @since 5.9.0
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function is_block_theme() {
|
|
$paths_to_index_block_template = array(
|
|
$this->get_file_path( '/block-templates/index.html' ),
|
|
$this->get_file_path( '/templates/index.html' ),
|
|
);
|
|
|
|
foreach ( $paths_to_index_block_template as $path_to_index_block_template ) {
|
|
if ( is_file( $path_to_index_block_template ) && is_readable( $path_to_index_block_template ) ) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Retrieves the path of a file in the theme.
|
|
*
|
|
* Searches in the stylesheet directory before the template directory so themes
|
|
* which inherit from a parent theme can just override one file.
|
|
*
|
|
* @since 5.9.0
|
|
*
|
|
* @param string $file Optional. File to search for in the stylesheet directory.
|
|
* @return string The path of the file.
|
|
*/
|
|
public function get_file_path( $file = '' ) {
|
|
$file = ltrim( $file, '/' );
|
|
|
|
$stylesheet_directory = $this->get_stylesheet_directory();
|
|
$template_directory = $this->get_template_directory();
|
|
|
|
if ( empty( $file ) ) {
|
|
$path = $stylesheet_directory;
|
|
} elseif ( file_exists( $stylesheet_directory . '/' . $file ) ) {
|
|
$path = $stylesheet_directory . '/' . $file;
|
|
} else {
|
|
$path = $template_directory . '/' . $file;
|
|
}
|
|
|
|
/** This filter is documented in wp-includes/link-template.php */
|
|
return apply_filters( 'theme_file_path', $path, $file );
|
|
}
|
|
|
|
/**
|
|
* Determines the latest WordPress default theme that is installed.
|
|
*
|
|
* This hits the filesystem.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @return WP_Theme|false Object, or false if no theme is installed, which would be bad.
|
|
*/
|
|
public static function get_core_default_theme() {
|
|
foreach ( array_reverse( self::$default_themes ) as $slug => $name ) {
|
|
$theme = wp_get_theme( $slug );
|
|
if ( $theme->exists() ) {
|
|
return $theme;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Returns array of stylesheet names of themes allowed on the site or network.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @param int $blog_id Optional. ID of the site. Defaults to the current site.
|
|
* @return string[] Array of stylesheet names.
|
|
*/
|
|
public static function get_allowed( $blog_id = null ) {
|
|
/**
|
|
* Filters the array of themes allowed on the network.
|
|
*
|
|
* Site is provided as context so that a list of network allowed themes can
|
|
* be filtered further.
|
|
*
|
|
* @since 4.5.0
|
|
*
|
|
* @param string[] $allowed_themes An array of theme stylesheet names.
|
|
* @param int $blog_id ID of the site.
|
|
*/
|
|
$network = (array) apply_filters( 'network_allowed_themes', self::get_allowed_on_network(), $blog_id );
|
|
return $network + self::get_allowed_on_site( $blog_id );
|
|
}
|
|
|
|
/**
|
|
* Returns array of stylesheet names of themes allowed on the network.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @return string[] Array of stylesheet names.
|
|
*/
|
|
public static function get_allowed_on_network() {
|
|
static $allowed_themes;
|
|
if ( ! isset( $allowed_themes ) ) {
|
|
$allowed_themes = (array) get_site_option( 'allowedthemes' );
|
|
}
|
|
|
|
/**
|
|
* Filters the array of themes allowed on the network.
|
|
*
|
|
* @since MU (3.0.0)
|
|
*
|
|
* @param string[] $allowed_themes An array of theme stylesheet names.
|
|
*/
|
|
$allowed_themes = apply_filters( 'allowed_themes', $allowed_themes );
|
|
|
|
return $allowed_themes;
|
|
}
|
|
|
|
/**
|
|
* Returns array of stylesheet names of themes allowed on the site.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @param int $blog_id Optional. ID of the site. Defaults to the current site.
|
|
* @return string[] Array of stylesheet names.
|
|
*/
|
|
public static function get_allowed_on_site( $blog_id = null ) {
|
|
static $allowed_themes = array();
|
|
|
|
if ( ! $blog_id || ! is_multisite() ) {
|
|
$blog_id = get_current_blog_id();
|
|
}
|
|
|
|
if ( isset( $allowed_themes[ $blog_id ] ) ) {
|
|
/**
|
|
* Filters the array of themes allowed on the site.
|
|
*
|
|
* @since 4.5.0
|
|
*
|
|
* @param string[] $allowed_themes An array of theme stylesheet names.
|
|
* @param int $blog_id ID of the site. Defaults to current site.
|
|
*/
|
|
return (array) apply_filters( 'site_allowed_themes', $allowed_themes[ $blog_id ], $blog_id );
|
|
}
|
|
|
|
$current = get_current_blog_id() == $blog_id;
|
|
|
|
if ( $current ) {
|
|
$allowed_themes[ $blog_id ] = get_option( 'allowedthemes' );
|
|
} else {
|
|
switch_to_blog( $blog_id );
|
|
$allowed_themes[ $blog_id ] = get_option( 'allowedthemes' );
|
|
restore_current_blog();
|
|
}
|
|
|
|
// This is all super old MU back compat joy.
|
|
// 'allowedthemes' keys things by stylesheet. 'allowed_themes' keyed things by name.
|
|
if ( false === $allowed_themes[ $blog_id ] ) {
|
|
if ( $current ) {
|
|
$allowed_themes[ $blog_id ] = get_option( 'allowed_themes' );
|
|
} else {
|
|
switch_to_blog( $blog_id );
|
|
$allowed_themes[ $blog_id ] = get_option( 'allowed_themes' );
|
|
restore_current_blog();
|
|
}
|
|
|
|
if ( ! is_array( $allowed_themes[ $blog_id ] ) || empty( $allowed_themes[ $blog_id ] ) ) {
|
|
$allowed_themes[ $blog_id ] = array();
|
|
} else {
|
|
$converted = array();
|
|
$themes = wp_get_themes();
|
|
foreach ( $themes as $stylesheet => $theme_data ) {
|
|
if ( isset( $allowed_themes[ $blog_id ][ $theme_data->get( 'Name' ) ] ) ) {
|
|
$converted[ $stylesheet ] = true;
|
|
}
|
|
}
|
|
$allowed_themes[ $blog_id ] = $converted;
|
|
}
|
|
// Set the option so we never have to go through this pain again.
|
|
if ( is_admin() && $allowed_themes[ $blog_id ] ) {
|
|
if ( $current ) {
|
|
update_option( 'allowedthemes', $allowed_themes[ $blog_id ] );
|
|
delete_option( 'allowed_themes' );
|
|
} else {
|
|
switch_to_blog( $blog_id );
|
|
update_option( 'allowedthemes', $allowed_themes[ $blog_id ] );
|
|
delete_option( 'allowed_themes' );
|
|
restore_current_blog();
|
|
}
|
|
}
|
|
}
|
|
|
|
/** This filter is documented in wp-includes/class-wp-theme.php */
|
|
return (array) apply_filters( 'site_allowed_themes', $allowed_themes[ $blog_id ], $blog_id );
|
|
}
|
|
|
|
/**
|
|
* Enables a theme for all sites on the current network.
|
|
*
|
|
* @since 4.6.0
|
|
*
|
|
* @param string|string[] $stylesheets Stylesheet name or array of stylesheet names.
|
|
*/
|
|
public static function network_enable_theme( $stylesheets ) {
|
|
if ( ! is_multisite() ) {
|
|
return;
|
|
}
|
|
|
|
if ( ! is_array( $stylesheets ) ) {
|
|
$stylesheets = array( $stylesheets );
|
|
}
|
|
|
|
$allowed_themes = get_site_option( 'allowedthemes' );
|
|
foreach ( $stylesheets as $stylesheet ) {
|
|
$allowed_themes[ $stylesheet ] = true;
|
|
}
|
|
|
|
update_site_option( 'allowedthemes', $allowed_themes );
|
|
}
|
|
|
|
/**
|
|
* Disables a theme for all sites on the current network.
|
|
*
|
|
* @since 4.6.0
|
|
*
|
|
* @param string|string[] $stylesheets Stylesheet name or array of stylesheet names.
|
|
*/
|
|
public static function network_disable_theme( $stylesheets ) {
|
|
if ( ! is_multisite() ) {
|
|
return;
|
|
}
|
|
|
|
if ( ! is_array( $stylesheets ) ) {
|
|
$stylesheets = array( $stylesheets );
|
|
}
|
|
|
|
$allowed_themes = get_site_option( 'allowedthemes' );
|
|
foreach ( $stylesheets as $stylesheet ) {
|
|
if ( isset( $allowed_themes[ $stylesheet ] ) ) {
|
|
unset( $allowed_themes[ $stylesheet ] );
|
|
}
|
|
}
|
|
|
|
update_site_option( 'allowedthemes', $allowed_themes );
|
|
}
|
|
|
|
/**
|
|
* Sorts themes by name.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @param WP_Theme[] $themes Array of theme objects to sort (passed by reference).
|
|
*/
|
|
public static function sort_by_name( &$themes ) {
|
|
if ( 0 === strpos( get_user_locale(), 'en_' ) ) {
|
|
uasort( $themes, array( 'WP_Theme', '_name_sort' ) );
|
|
} else {
|
|
foreach ( $themes as $key => $theme ) {
|
|
$theme->translate_header( 'Name', $theme->headers['Name'] );
|
|
}
|
|
uasort( $themes, array( 'WP_Theme', '_name_sort_i18n' ) );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Callback function for usort() to naturally sort themes by name.
|
|
*
|
|
* Accesses the Name header directly from the class for maximum speed.
|
|
* Would choke on HTML but we don't care enough to slow it down with strip_tags().
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @param WP_Theme $a First theme.
|
|
* @param WP_Theme $b Second theme.
|
|
* @return int Negative if `$a` falls lower in the natural order than `$b`. Zero if they fall equally.
|
|
* Greater than 0 if `$a` falls higher in the natural order than `$b`. Used with usort().
|
|
*/
|
|
private static function _name_sort( $a, $b ) {
|
|
return strnatcasecmp( $a->headers['Name'], $b->headers['Name'] );
|
|
}
|
|
|
|
/**
|
|
* Callback function for usort() to naturally sort themes by translated name.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @param WP_Theme $a First theme.
|
|
* @param WP_Theme $b Second theme.
|
|
* @return int Negative if `$a` falls lower in the natural order than `$b`. Zero if they fall equally.
|
|
* Greater than 0 if `$a` falls higher in the natural order than `$b`. Used with usort().
|
|
*/
|
|
private static function _name_sort_i18n( $a, $b ) {
|
|
return strnatcasecmp( $a->name_translated, $b->name_translated );
|
|
}
|
|
}
|