2, ); // dsm(get_defined_vars(), __FUNCTION__); return $api; } /** * Lifted from Drupal 7 */ function drupal_clean_css_identifier($identifier, $filter = array(' ' => '-', '_' => '-', '/' => '-', '[' => '-', ']' => '')) { // By default, we filter using Drupal's coding standards. $identifier = strtr($identifier, $filter); // Valid characters in a CSS identifier are: // - the hyphen (U+002D) // - a-z (U+0030 - U+0039) // - A-Z (U+0041 - U+005A) // - the underscore (U+005F) // - 0-9 (U+0061 - U+007A) // - ISO 10646 characters U+00A1 and higher // We strip out any character not in the above list. $identifier = preg_replace('/[^\x{002D}\x{0030}-\x{0039}\x{0041}-\x{005A}\x{005F}\x{0061}-\x{007A}\x{00A1}-\x{FFFF}]/u', '', $identifier); return $identifier; }