Menu Adam R Brown

WP hooks navigation: Home/browseActions indexFilters index

Source View: wp_cache_themes_persistently

To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).

Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
330      // We always want to return absolute, but we need to cache relative
331      // use in for get_theme_root().
332      foreach ( $wp_theme_directories as $theme_root ) {
333           if ( 0 === strpos( $theme_root, WP_CONTENT_DIR ) )
334                $relative_theme_roots[ str_replace( WP_CONTENT_DIR, '', $theme_root ) ] = $theme_root;
335           else
336                $relative_theme_roots[ $theme_root ] = $theme_root;
337      }
338
339      if ( $cache_expiration = apply_filters( 'wp_cache_themes_persistently', false, 'search_theme_directories' ) ) {
340           $cached_roots = get_site_transient( 'theme_roots' );
341           if ( is_array( $cached_roots ) ) {
342                foreach ( $cached_roots as $theme_dir => $theme_root ) {
343                     // A cached theme root is no longer around, so skip it.
344                     if ( ! isset( $relative_theme_roots[ $theme_root ] ) )
345                          continue;
346                     $found_themes[ $theme_dir ] = array(
347                          'theme_file' => $theme_dir . '/style.css',
348                          'theme_root' => $relative_theme_roots[ $theme_root ], // Convert relative to absolute.