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79a2915a9b
In `populate_options()`, if the theme specified by `WP_DEFAULT_THEME` doesn't exist, fall back to the latest core default theme. If we can't find a core default theme, `WP_DEFAULT_THEME` is the best we can do. Props nacin, jeremyfelt, dd32. See #34306. Built from https://develop.svn.wordpress.org/trunk@35738 git-svn-id: http://core.svn.wordpress.org/trunk@35702 1a063a9b-81f0-0310-95a4-ce76da25c4cd
1332 lines
41 KiB
PHP
1332 lines
41 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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* @access public
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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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* @static
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* @access private
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* @var array
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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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);
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/**
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* Default themes.
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*
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* @static
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* @access private
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* @var array
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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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);
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/**
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* Renamed theme tags.
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*
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* @static
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* @access private
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* @var array
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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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* @access private
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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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* @access private
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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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* @access private
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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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* @access private
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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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* @access private
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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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* @access private
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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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* @access private
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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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* @access private
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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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* @access private
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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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* @access private
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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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* @access private
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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 wp_cache_themes_persistently filter.
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*
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* @static
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* @access private
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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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* @static
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* @access private
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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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* @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_Error|void $_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::$persistently_cache;
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} else {
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wp_cache_add_non_persistent_groups( 'themes' );
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}
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}
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$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 ) && in_array( dirname( $theme_root ), (array) $wp_theme_directories ) ) {
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$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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if ( $this->errors )
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return;
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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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} 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( 'theme_not_found', sprintf( __( 'The theme directory "%s" does not exist.' ), $this->stylesheet ) );
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else
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$this->errors = new WP_Error( 'theme_no_stylesheet', __( 'Stylesheet is missing.' ) );
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$this->template = $this->stylesheet;
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$this->cache_add( 'theme', array( 'headers' => $this->headers, 'errors' => $this->errors, 'stylesheet' => $this->stylesheet, 'template' => $this->template ) );
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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', __( 'ERROR: The themes directory is either empty or doesn’t exist. Please check your installation.' ) );
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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( 'theme', array( 'headers' => $this->headers, 'errors' => $this->errors, 'stylesheet' => $this->stylesheet, 'template' => $this->template ) );
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return;
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} else {
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$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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if ( $default_theme_slug = array_search( $this->headers['Name'], self::$default_themes ) ) {
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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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// (If template is set from cache [and there are no errors], we know it's good.)
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if ( ! $this->template && ! ( $this->template = $this->headers['Template'] ) ) {
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$this->template = $this->stylesheet;
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if ( ! file_exists( $this->theme_root . '/' . $this->stylesheet . '/index.php' ) ) {
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$this->errors = new WP_Error( 'theme_no_index', __( 'Template is missing.' ) );
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$this->cache_add( 'theme', array( 'headers' => $this->headers, 'errors' => $this->errors, 'stylesheet' => $this->stylesheet, 'template' => $this->template ) );
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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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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 = search_theme_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( 'theme_no_parent', sprintf( __( 'The parent theme is missing. Please install the "%s" parent theme.' ), $this->template ) );
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$this->cache_add( 'theme', array( 'headers' => $this->headers, 'errors' => $this->errors, 'stylesheet' => $this->stylesheet, 'template' => $this->template ) );
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$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( 'theme_parent_invalid', sprintf( __( 'The "%s" theme is not a valid parent theme.' ), $_child->template ) );
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$_child->cache_add( 'theme', array( 'headers' => $_child->headers, 'errors' => $_child->errors, 'stylesheet' => $_child->stylesheet, 'template' => $_child->template ) );
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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( 'theme_parent_invalid', sprintf( __( 'The "%s" theme is not a valid parent theme.' ), $this->template ) );
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$this->cache_add( 'theme', array( 'headers' => $this->headers, 'errors' => $this->errors, 'stylesheet' => $this->stylesheet, 'template' => $this->template ) );
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}
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return;
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}
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// Set the parent. Pass the current instance so we can do the crazy checks above and assess errors.
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$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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// We're good. If we didn't retrieve from cache, set it.
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if ( ! is_array( $cache ) ) {
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$cache = array( 'headers' => $this->headers, 'errors' => $this->errors, 'stylesheet' => $this->stylesheet, 'template' => $this->template );
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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.
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if ( isset( $theme_root_template ) )
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$cache['theme_root_template'] = $theme_root_template;
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$this->cache_add( 'theme', $cache );
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}
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}
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/**
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* When converting the object to a string, the theme name is returned.
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*
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* @return string Theme name, ready for display (translated)
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*/
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public function __toString() {
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return (string) $this->display('Name');
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}
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/**
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* __isset() magic method for properties formerly returned by current_theme_info()
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*
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* @staticvar array $properties
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*
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* @return bool
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*/
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public function __isset( $offset ) {
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static $properties = array(
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'name', 'title', 'version', 'parent_theme', 'template_dir', 'stylesheet_dir', 'template', 'stylesheet',
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'screenshot', 'description', 'author', 'tags', 'theme_root', 'theme_root_uri',
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);
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return in_array( $offset, $properties );
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}
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/**
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* __get() magic method for properties formerly returned by current_theme_info()
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*
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* @return mixed
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*/
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public function __get( $offset ) {
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switch ( $offset ) {
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case 'name' :
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case 'title' :
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return $this->get('Name');
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case 'version' :
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return $this->get('Version');
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case 'parent_theme' :
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return $this->parent() ? $this->parent()->get('Name') : '';
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case 'template_dir' :
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return $this->get_template_directory();
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case 'stylesheet_dir' :
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return $this->get_stylesheet_directory();
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case 'template' :
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return $this->get_template();
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case 'stylesheet' :
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return $this->get_stylesheet();
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case 'screenshot' :
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return $this->get_screenshot( 'relative' );
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// 'author' and 'description' did not previously return translated data.
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case 'description' :
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return $this->display('Description');
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case 'author' :
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return $this->display('Author');
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case 'tags' :
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return $this->get( 'Tags' );
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case 'theme_root' :
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return $this->get_theme_root();
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case 'theme_root_uri' :
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return $this->get_theme_root_uri();
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// For cases where the array was converted to an object.
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default :
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return $this->offsetGet( $offset );
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}
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}
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/**
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* Method to implement ArrayAccess for keys formerly returned by get_themes()
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*
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* @param mixed $offset
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* @param mixed $value
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*/
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public function offsetSet( $offset, $value ) {}
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/**
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* Method to implement ArrayAccess for keys formerly returned by get_themes()
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*
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* @param mixed $offset
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*/
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public function offsetUnset( $offset ) {}
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/**
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* Method to implement ArrayAccess for keys formerly returned by get_themes()
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*
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* @staticvar array $keys
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*
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* @param mixed $offset
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* @return bool
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*/
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public function offsetExists( $offset ) {
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static $keys = array(
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'Name', 'Version', 'Status', 'Title', 'Author', 'Author Name', 'Author URI', 'Description',
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'Template', 'Stylesheet', 'Template Files', 'Stylesheet Files', 'Template Dir', 'Stylesheet Dir',
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'Screenshot', 'Tags', 'Theme Root', 'Theme Root URI', 'Parent Theme',
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);
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return in_array( $offset, $keys );
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}
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/**
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* Method to implement ArrayAccess for keys formerly returned by get_themes().
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*
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* Author, Author Name, Author URI, and Description did not previously return
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* translated data. We are doing so now as it is safe to do. However, as
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* Name and Title could have been used as the key for get_themes(), both remain
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* untranslated for back compatibility. This means that ['Name'] is not ideal,
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* and care should be taken to use $theme->display('Name') to get a properly
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* translated header.
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*
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* @param mixed $offset
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* @return mixed
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*/
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public function offsetGet( $offset ) {
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switch ( $offset ) {
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case 'Name' :
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case 'Title' :
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// See note above about using translated data. get() is not ideal.
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// It is only for backwards compatibility. Use display().
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return $this->get('Name');
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case 'Author' :
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return $this->display( 'Author');
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case 'Author Name' :
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return $this->display( 'Author', false);
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case 'Author URI' :
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return $this->display('AuthorURI');
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case 'Description' :
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return $this->display( 'Description');
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case 'Version' :
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case 'Status' :
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return $this->get( $offset );
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case 'Template' :
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return $this->get_template();
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case 'Stylesheet' :
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return $this->get_stylesheet();
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case 'Template Files' :
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return $this->get_files( 'php', 1, true );
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case 'Stylesheet Files' :
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return $this->get_files( 'css', 0, false );
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case 'Template Dir' :
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return $this->get_template_directory();
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case 'Stylesheet Dir' :
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return $this->get_stylesheet_directory();
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case 'Screenshot' :
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return $this->get_screenshot( 'relative' );
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case 'Tags' :
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return $this->get('Tags');
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case 'Theme Root' :
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return $this->get_theme_root();
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case 'Theme Root URI' :
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return $this->get_theme_root_uri();
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case 'Parent Theme' :
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return $this->parent() ? $this->parent()->get('Name') : '';
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default :
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return null;
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}
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}
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|
|
|
/**
|
|
* Returns errors property.
|
|
*
|
|
* @since 3.4.0
|
|
* @access public
|
|
*
|
|
* @return WP_Error|false WP_Error if there are errors, or false.
|
|
*/
|
|
public function errors() {
|
|
return is_wp_error( $this->errors ) ? $this->errors : false;
|
|
}
|
|
|
|
/**
|
|
* 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
|
|
* @access public
|
|
*
|
|
* @return bool Whether the theme exists.
|
|
*/
|
|
public function exists() {
|
|
return ! ( $this->errors() && in_array( 'theme_not_found', $this->errors()->get_error_codes() ) );
|
|
}
|
|
|
|
/**
|
|
* Returns reference to the parent theme.
|
|
*
|
|
* @since 3.4.0
|
|
* @access public
|
|
*
|
|
* @return WP_Theme|false Parent theme, or false if the current 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
|
|
* @access private
|
|
*
|
|
* @param string $key Type of data to store (theme, screenshot, headers, page_templates)
|
|
* @param 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
|
|
* @access private
|
|
*
|
|
* @param string $key Type of data to retrieve (theme, screenshot, headers, page_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
|
|
* @access public
|
|
*/
|
|
public function cache_delete() {
|
|
foreach ( array( 'theme', 'screenshot', 'headers', 'page_templates' ) as $key )
|
|
wp_cache_delete( $key . '-' . $this->cache_hash, 'themes' );
|
|
$this->template = $this->textdomain_loaded = $this->theme_root_uri = $this->parent = $this->errors = $this->headers_sanitized = $this->name_translated = null;
|
|
$this->headers = array();
|
|
$this->__construct( $this->stylesheet, $this->theme_root );
|
|
}
|
|
|
|
/**
|
|
* Get 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
|
|
* @access public
|
|
*
|
|
* @param string $header Theme header. Name, Description, Author, Version, ThemeURI, AuthorURI, Status, Tags.
|
|
* @return string|false String 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
|
|
* @access public
|
|
*
|
|
* @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|false Processed header, 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;
|
|
}
|
|
|
|
/**
|
|
* Sanitize a theme header.
|
|
*
|
|
* @since 3.4.0
|
|
* @access private
|
|
*
|
|
* @staticvar array $header_tags
|
|
* @staticvar array $header_tags_with_a
|
|
*
|
|
* @param string $header Theme header. Name, Description, Author, Version, ThemeURI, AuthorURI, Status, Tags.
|
|
* @param string $value Value to sanitize.
|
|
* @return mixed
|
|
*/
|
|
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 = esc_url_raw( $value );
|
|
break;
|
|
case 'Tags' :
|
|
$value = array_filter( array_map( 'trim', explode( ',', strip_tags( $value ) ) ) );
|
|
break;
|
|
case 'Version' :
|
|
$value = strip_tags( $value );
|
|
break;
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* Mark up a theme header.
|
|
*
|
|
* @since 3.4.0
|
|
* @access private
|
|
*
|
|
* @staticvar string $comma
|
|
*
|
|
* @param string $header Theme header. Name, Description, Author, Version, ThemeURI, AuthorURI, Status, Tags.
|
|
* @param string $value Value to mark up.
|
|
* @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 = $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 ) ) {
|
|
/* translators: used between list items, there is a space after the comma */
|
|
$comma = __( ', ' );
|
|
}
|
|
$value = implode( $comma, $value );
|
|
break;
|
|
case 'ThemeURI' :
|
|
case 'AuthorURI' :
|
|
$value = esc_url( $value );
|
|
break;
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* Translate a theme header.
|
|
*
|
|
* @since 3.4.0
|
|
* @access private
|
|
*
|
|
* @staticvar array $tags_list
|
|
*
|
|
* @param string $header Theme header. Name, Description, Author, Version, ThemeURI, AuthorURI, Status, Tags.
|
|
* @param string $value Value to translate.
|
|
* @return string Translated value.
|
|
*/
|
|
private function translate_header( $header, $value ) {
|
|
switch ( $header ) {
|
|
case 'Name' :
|
|
// Cached for sorting reasons.
|
|
if ( isset( $this->name_translated ) )
|
|
return $this->name_translated;
|
|
$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();
|
|
$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 :
|
|
$value = translate( $value, $this->get('TextDomain') );
|
|
}
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* 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
|
|
* @access public
|
|
*
|
|
* @return string Stylesheet
|
|
*/
|
|
public function get_stylesheet() {
|
|
return $this->stylesheet;
|
|
}
|
|
|
|
/**
|
|
* 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
|
|
* @access public
|
|
*
|
|
* @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
|
|
* @access public
|
|
*
|
|
* @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() ) )
|
|
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
|
|
* @access public
|
|
*
|
|
* @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
|
|
* @access public
|
|
*
|
|
* @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
|
|
* @access public
|
|
*
|
|
* @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 ) );
|
|
}
|
|
|
|
/**
|
|
* The absolute path to the directory of the theme root.
|
|
*
|
|
* This is typically the absolute path to wp-content/themes.
|
|
*
|
|
* @since 3.4.0
|
|
* @access public
|
|
*
|
|
* @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 theme_root_uri filter.
|
|
*
|
|
* @since 3.4.0
|
|
* @access public
|
|
*
|
|
* @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
|
|
* @access public
|
|
*
|
|
* @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' ) 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;
|
|
}
|
|
|
|
/**
|
|
* Return files in the theme's directory.
|
|
*
|
|
* @since 3.4.0
|
|
* @access public
|
|
*
|
|
* @param mixed $type Optional. Array of extensions to return. Defaults to all files (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. Defaults to false.
|
|
* @return array 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 $files;
|
|
}
|
|
|
|
/**
|
|
* Returns the theme's page templates.
|
|
*
|
|
* @since 3.4.0
|
|
* @access public
|
|
*
|
|
* @param WP_Post|null $post Optional. The post being edited, provided for context.
|
|
* @return array Array of page templates, keyed by filename, with the value of the translated header name.
|
|
*/
|
|
public function get_page_templates( $post = null ) {
|
|
// If you screw up your current 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();
|
|
|
|
$page_templates = $this->cache_get( 'page_templates' );
|
|
|
|
if ( ! is_array( $page_templates ) ) {
|
|
$page_templates = array();
|
|
|
|
$files = (array) $this->get_files( 'php', 1 );
|
|
|
|
foreach ( $files as $file => $full_path ) {
|
|
if ( ! preg_match( '|Template Name:(.*)$|mi', file_get_contents( $full_path ), $header ) )
|
|
continue;
|
|
$page_templates[ $file ] = _cleanup_header_comment( $header[1] );
|
|
}
|
|
|
|
$this->cache_add( 'page_templates', $page_templates );
|
|
}
|
|
|
|
if ( $this->load_textdomain() ) {
|
|
foreach ( $page_templates as &$page_template ) {
|
|
$page_template = $this->translate_header( 'Template Name', $page_template );
|
|
}
|
|
}
|
|
|
|
if ( $this->parent() )
|
|
$page_templates += $this->parent()->get_page_templates( $post );
|
|
|
|
/**
|
|
* Filter list of page templates for a theme.
|
|
*
|
|
* @since 3.9.0
|
|
* @since 4.4.0 Converted to allow complete control over the `$page_templates` array.
|
|
*
|
|
* @param array $page_templates Array of page templates. Keys are filenames,
|
|
* values are translated names.
|
|
* @param WP_Theme $this The theme object.
|
|
* @param WP_Post|null $post The post being edited, provided for context, or null.
|
|
*/
|
|
return (array) apply_filters( 'theme_page_templates', $page_templates, $this, $post );
|
|
}
|
|
|
|
/**
|
|
* Scans a directory for files of a certain extension.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @static
|
|
* @access private
|
|
*
|
|
* @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 $relative_path Optional. The basename of the absolute path. Used to control the
|
|
* returned path for the found files, particularly when this function
|
|
* recurses to lower depths. Default empty.
|
|
* @return array|false Array of files, keyed by the path to the file relative to the `$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();
|
|
|
|
foreach ( $results as $result ) {
|
|
if ( '.' == $result[0] )
|
|
continue;
|
|
if ( is_dir( $path . '/' . $result ) ) {
|
|
if ( ! $depth || 'CVS' == $result )
|
|
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
|
|
* @access public
|
|
*
|
|
* @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();
|
|
if ( $domainpath = $this->get('DomainPath') )
|
|
$path .= $domainpath;
|
|
else
|
|
$path .= '/languages';
|
|
|
|
$this->textdomain_loaded = load_theme_textdomain( $textdomain, $path );
|
|
return $this->textdomain_loaded;
|
|
}
|
|
|
|
/**
|
|
* Whether the theme is allowed (multisite only).
|
|
*
|
|
* @since 3.4.0
|
|
* @access public
|
|
*
|
|
* @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 blog.
|
|
* @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[ $this->get_stylesheet() ] ) )
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Determines the latest WordPress default theme that is installed.
|
|
*
|
|
* This hits the filesystem.
|
|
*
|
|
* @return WP_Theme|false Object, or false if no theme is installed, which would be bad.
|
|
*/
|
|
public static function get_core_default_theme() {
|
|
foreach ( array_reverse( self::$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
|
|
*
|
|
* @static
|
|
* @access public
|
|
*
|
|
* @param int $blog_id Optional. Defaults to current blog.
|
|
* @return array Array of stylesheet names.
|
|
*/
|
|
public static function get_allowed( $blog_id = null ) {
|
|
/**
|
|
* Filter the array of themes allowed on the site or network.
|
|
*
|
|
* @since MU
|
|
*
|
|
* @param array $allowed_themes An array of theme stylesheet names.
|
|
*/
|
|
$network = (array) apply_filters( 'allowed_themes', self::get_allowed_on_network() );
|
|
return $network + self::get_allowed_on_site( $blog_id );
|
|
}
|
|
|
|
/**
|
|
* Returns array of stylesheet names of themes allowed on the network.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @static
|
|
* @access public
|
|
*
|
|
* @staticvar array $allowed_themes
|
|
*
|
|
* @return array 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' );
|
|
return $allowed_themes;
|
|
}
|
|
|
|
/**
|
|
* Returns array of stylesheet names of themes allowed on the site.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @static
|
|
* @access public
|
|
*
|
|
* @staticvar array $allowed_themes
|
|
*
|
|
* @param int $blog_id Optional. Defaults to current blog.
|
|
* @return array 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 ] ) )
|
|
return $allowed_themes[ $blog_id ];
|
|
|
|
$current = $blog_id == get_current_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();
|
|
}
|
|
}
|
|
}
|
|
|
|
return (array) $allowed_themes[ $blog_id ];
|
|
}
|
|
|
|
/**
|
|
* Sort themes by name.
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @static
|
|
* @access public
|
|
*/
|
|
public static function sort_by_name( &$themes ) {
|
|
if ( 0 === strpos( get_locale(), 'en_' ) ) {
|
|
uasort( $themes, array( 'WP_Theme', '_name_sort' ) );
|
|
} else {
|
|
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
|
|
*
|
|
* @static
|
|
* @access private
|
|
*
|
|
* @return int
|
|
*/
|
|
private static function _name_sort( $a, $b ) {
|
|
return strnatcasecmp( $a->headers['Name'], $b->headers['Name'] );
|
|
}
|
|
|
|
/**
|
|
* Name sort (with translation).
|
|
*
|
|
* @since 3.4.0
|
|
*
|
|
* @static
|
|
* @access private
|
|
*
|
|
* @return int
|
|
*/
|
|
private static function _name_sort_i18n( $a, $b ) {
|
|
// Don't mark up; Do translate.
|
|
return strnatcasecmp( $a->display( 'Name', false, true ), $b->display( 'Name', false, true ) );
|
|
}
|
|
}
|