/** * Wrapper function */ function extract_keywords($url) { global $engine_param_config; foreach ($engine_param_config as $config) { $result = __extract_keywords($url, $config['domain'], $config['kw']); if ($result['keywords']) { $keywords = urldecode($result['keywords']); //remove non-ASCII characters $keywords = iconv('UTF-8', 'ISO-8859-1//IGNORE', $keywords); //remove special characters $keywords = str_replace(array("\"", "\\", "?"), " ", $keywords); return strtolower($keywords); } } return ''; }
function extract_keywords($url) { mb_internal_encoding('UTF-8'); return mb_strtolower(__extract_keywords($url)); }