* Clears the cache held by get_theme_roots() and WP_Theme.
*
* @since 3.5.0
+ * @param bool $clear_update_cache Whether to clear the Theme updates cache
*/
-function wp_clean_themes_cache() {
- delete_site_transient('update_themes');
+function wp_clean_themes_cache( $clear_update_cache = true ) {
+ if ( $clear_update_cache )
+ delete_site_transient( 'update_themes' );
search_theme_directories( true );
foreach ( wp_get_themes( array( 'errors' => null ) ) as $theme )
$theme->cache_delete();
// Start with directories in the root of the current theme directory.
$dirs = @ scandir( $theme_root );
- if ( ! $dirs )
- return false;
+ 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;
// 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 )
- return false;
+ 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;
)
return $matches[1] . "#$matches[2] onclick=$matches[2]return false;" . $matches[4];
- $link = add_query_arg( array( 'preview' => 1, 'template' => $_GET['template'], 'stylesheet' => @$_GET['stylesheet'], 'preview_iframe' => 1 ), $matches[3] );
+ $stylesheet = isset( $_GET['stylesheet'] ) ? $_GET['stylesheet'] : '';
+ $template = isset( $_GET['template'] ) ? $_GET['template'] : '';
+
+ $link = add_query_arg( array( 'preview' => 1, 'template' => $template, 'stylesheet' => $stylesheet, 'preview_iframe' => 1 ), $matches[3] );
if ( 0 === strpos($link, 'preview=1') )
$link = "?$link";
return $matches[1] . esc_attr( $link ) . $matches[4];