関数 search_theme_directories()
2014/12/16
関数 search_theme_directories()
定義ファイル :/blog/wp-includes/theme.php 1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 | function search_theme_directories( $force = false ) { global $wp_theme_directories; if ( empty( $wp_theme_directories ) ) return false; static $found_themes; if ( ! $force && isset( $found_themes ) ) return $found_themes; $found_themes = array(); $wp_theme_directories = (array) $wp_theme_directories; // Set up maybe-relative, maybe-absolute array of theme directories. // We always want to return absolute, but we need to cache relative // to use in get_theme_root(). foreach ( $wp_theme_directories as $theme_root ) { if ( 0 === strpos( $theme_root, WP_CONTENT_DIR ) ) $relative_theme_roots[ str_replace( WP_CONTENT_DIR, '', $theme_root ) ] = $theme_root; else $relative_theme_roots[ $theme_root ] = $theme_root; } if ( $cache_expiration = apply_filters( 'wp_cache_themes_persistently', false, 'search_theme_directories' ) ) { $cached_roots = get_site_transient( 'theme_roots' ); if ( is_array( $cached_roots ) ) { foreach ( $cached_roots as $theme_dir => $theme_root ) { // A cached theme root is no longer around, so skip it. if ( ! isset( $relative_theme_roots[ $theme_root ] ) ) continue; $found_themes[ $theme_dir ] = array( 'theme_file' => $theme_dir . '/style.css', 'theme_root' => $relative_theme_roots[ $theme_root ], // Convert relative to absolute. ); } return $found_themes; } if ( ! is_int( $cache_expiration ) ) $cache_expiration = 1800; // half hour } else { $cache_expiration = 1800; // half hour } /* Loop the registered theme directories and extract all themes */ foreach ( $wp_theme_directories as $theme_root ) { // Start with directories in the root of the current theme directory. $dirs = @ scandir( $theme_root ); if ( ! $dirs ) { trigger_error( "$theme_root is not readable", E_USER_NOTICE ); continue; } foreach ( $dirs as $dir ) { if ( ! is_dir( $theme_root . '/' . $dir ) || $dir[0] == '.' || $dir == 'CVS' ) continue; if ( file_exists( $theme_root . '/' . $dir . '/style.css' ) ) { // wp-content/themes/a-single-theme // wp-content/themes is $theme_root, a-single-theme is $dir $found_themes[ $dir ] = array( 'theme_file' => $dir . '/style.css', 'theme_root' => $theme_root, ); } else { $found_theme = false; // wp-content/themes/a-folder-of-themes/* // wp-content/themes is $theme_root, a-folder-of-themes is $dir, then themes are $sub_dirs $sub_dirs = @ scandir( $theme_root . '/' . $dir ); if ( ! $sub_dirs ) { trigger_error( "$theme_root/$dir is not readable", E_USER_NOTICE ); continue; } foreach ( $sub_dirs as $sub_dir ) { if ( ! is_dir( $theme_root . '/' . $dir . '/' . $sub_dir ) || $dir[0] == '.' || $dir == 'CVS' ) continue; if ( ! file_exists( $theme_root . '/' . $dir . '/' . $sub_dir . '/style.css' ) ) continue; $found_themes[ $dir . '/' . $sub_dir ] = array( 'theme_file' => $dir . '/' . $sub_dir . '/style.css', 'theme_root' => $theme_root, ); $found_theme = true; } // Never mind the above, it's just a theme missing a style.css. // Return it; WP_Theme will catch the error. if ( ! $found_theme ) $found_themes[ $dir ] = array( 'theme_file' => $dir . '/style.css', 'theme_root' => $theme_root, ); } } } asort( $found_themes ); $theme_roots = array(); $relative_theme_roots = array_flip( $relative_theme_roots ); foreach ( $found_themes as $theme_dir => $theme_data ) { $theme_roots[ $theme_dir ] = $relative_theme_roots[ $theme_data['theme_root'] ]; // Convert absolute to relative. } if ( $theme_roots != get_site_transient( 'theme_roots' ) ) set_site_transient( 'theme_roots', $theme_roots, $cache_expiration ); return $found_themes; } |