function ck_iconv($source_lang, $target_lang, $source_string = '') { static $chs = NULL; /* 如果字符串为空或者字符串不需要转换,直接返回 */ if ($source_lang == $target_lang || $source_string == '' || preg_match("/[�-�]+/", $source_string) == 0) { return $source_string; } if ($chs === NULL) { require_once PATH_APPLICATION . '/pm_iconv.class.php'; $chs = new Chinese(); $chs->Chinese(); } return strtolower($target_lang) == 'utf-8' ? addslashes(stripslashes($chs->Convert($source_lang, $target_lang, $source_string))) : $chs->Convert($source_lang, $target_lang, $source_string); }