141     public static function mb_decode_numericentity($s, $convmap, $encoding = null)  argument
153         if (null !== $encoding && !is_scalar($encoding)) {
164         $encoding = self::getEncoding($encoding);
166         if ('UTF-8' === $encoding) {
167             $encoding = null;
172             $s = \iconv($encoding, 'UTF-8//IGNORE', $s);
194         if (null === $encoding) {
198         return \iconv('UTF-8', $encoding.'//IGNORE', $s);
201     public static function mb_encode_numericentity($s, $convmap, $encoding = null, $is_hex = false)  argument
213         if (null !== $encoding && !is_scalar($encoding)) {
230         $encoding = self::getEncoding($encoding);
232         if ('UTF-8' === $encoding) {
233             $encoding = null;
238             $s = \iconv($encoding, 'UTF-8//IGNORE', $s);
264         if (null === $encoding) {
268         return \iconv('UTF-8', $encoding.'//IGNORE', $result);
271     public static function mb_convert_case($s, $mode, $encoding = null)  argument
278         $encoding = self::getEncoding($encoding);
280         if ('UTF-8' === $encoding) {
281             $encoding = null;
286             $s = \iconv($encoding, 'UTF-8//IGNORE', $s);
342         if (null === $encoding) {
346         return \iconv('UTF-8', $encoding.'//IGNORE', $s);
349     public static function mb_internal_encoding($encoding = null)  argument
351         if (null === $encoding) {
355         $normalizedEncoding = self::getEncoding($encoding);
367 …ew \ValueError(sprintf('Argument #1 ($encoding) must be a valid encoding, "%s" given', $encoding));
396     public static function mb_encoding_aliases($encoding)  argument
398         switch (strtoupper($encoding)) {
407     public static function mb_check_encoding($var = null, $encoding = null)  argument
409         if (null === $encoding) {
413             $encoding = self::$internalEncoding;
416 …return self::mb_detect_encoding($var, [$encoding]) || false !== @\iconv($encoding, $encoding, $var…
484     public static function mb_strlen($s, $encoding = null)  argument
486         $encoding = self::getEncoding($encoding);
487         if ('CP850' === $encoding || 'ASCII' === $encoding) {
491         return @\iconv_strlen($s, $encoding);
494     public static function mb_strpos($haystack, $needle, $offset = 0, $encoding = null)  argument
496         $encoding = self::getEncoding($encoding);
497         if ('CP850' === $encoding || 'ASCII' === $encoding) {
512         return \iconv_strpos($haystack, $needle, $offset, $encoding);
515     public static function mb_strrpos($haystack, $needle, $offset = 0, $encoding = null)  argument
517         $encoding = self::getEncoding($encoding);
518         if ('CP850' === $encoding || 'ASCII' === $encoding) {
527                     $haystack = self::mb_substr($haystack, 0, $offset, $encoding);
531                 $haystack = self::mb_substr($haystack, $offset, 2147483647, $encoding);
536             ? \iconv_strrpos($haystack, $needle, $encoding)
537             : self::mb_strlen($haystack, $encoding);
542     public static function mb_str_split($string, $split_length = 1, $encoding = null)  argument
559         if (null === $encoding) {
560             $encoding = mb_internal_encoding();
563         if ('UTF-8' === $encoding = self::getEncoding($encoding)) {
575         $length = mb_strlen($string, $encoding);
578             $result[] = mb_substr($string, $i, $split_length, $encoding);
584     public static function mb_strtolower($s, $encoding = null)  argument
586         return self::mb_convert_case($s, \MB_CASE_LOWER, $encoding);
589     public static function mb_strtoupper($s, $encoding = null)  argument
591         return self::mb_convert_case($s, \MB_CASE_UPPER, $encoding);
612     public static function mb_substr($s, $start, $length = null, $encoding = null)  argument
614         $encoding = self::getEncoding($encoding);
615         if ('CP850' === $encoding || 'ASCII' === $encoding) {
620             $start = \iconv_strlen($s, $encoding) + $start;
629             $length = \iconv_strlen($s, $encoding) + $length - $start;
635         return (string) \iconv_substr($s, $start, $length, $encoding);
638     public static function mb_stripos($haystack, $needle, $offset = 0, $encoding = null)  argument
640         $haystack = self::mb_convert_case($haystack, self::MB_CASE_FOLD, $encoding);
641         $needle = self::mb_convert_case($needle, self::MB_CASE_FOLD, $encoding);
643         return self::mb_strpos($haystack, $needle, $offset, $encoding);
646     public static function mb_stristr($haystack, $needle, $part = false, $encoding = null)  argument
648         $pos = self::mb_stripos($haystack, $needle, 0, $encoding);
650         return self::getSubpart($pos, $part, $haystack, $encoding);
653     public static function mb_strrchr($haystack, $needle, $part = false, $encoding = null)  argument
655         $encoding = self::getEncoding($encoding);
656         if ('CP850' === $encoding || 'ASCII' === $encoding) {
659             $needle = self::mb_substr($needle, 0, 1, $encoding);
660             $pos = \iconv_strrpos($haystack, $needle, $encoding);
663         return self::getSubpart($pos, $part, $haystack, $encoding);
666     public static function mb_strrichr($haystack, $needle, $part = false, $encoding = null)  argument
668         $needle = self::mb_substr($needle, 0, 1, $encoding);
669         $pos = self::mb_strripos($haystack, $needle, $encoding);
671         return self::getSubpart($pos, $part, $haystack, $encoding);
674     public static function mb_strripos($haystack, $needle, $offset = 0, $encoding = null)  argument
676         $haystack = self::mb_convert_case($haystack, self::MB_CASE_FOLD, $encoding);
677         $needle = self::mb_convert_case($needle, self::MB_CASE_FOLD, $encoding);
679         return self::mb_strrpos($haystack, $needle, $offset, $encoding);
682     public static function mb_strstr($haystack, $needle, $part = false, $encoding = null)  argument
729     public static function mb_http_output($encoding = null)  argument
731         return null !== $encoding ? 'pass' === $encoding : 'pass';
734     public static function mb_strwidth($s, $encoding = null)  argument
736         $encoding = self::getEncoding($encoding);
738         if ('UTF-8' !== $encoding) {
739             $s = \iconv($encoding, 'UTF-8//IGNORE', $s);
747     public static function mb_substr_count($haystack, $needle, $encoding = null)  argument
757     public static function mb_chr($code, $encoding = null)  argument
769         if ('UTF-8' !== $encoding = self::getEncoding($encoding)) {
770             $s = mb_convert_encoding($s, $encoding, 'UTF-8');
776     public static function mb_ord($s, $encoding = null)  argument
778         if ('UTF-8' !== $encoding = self::getEncoding($encoding)) {
779             $s = mb_convert_encoding($s, 'UTF-8', $encoding);
800     private static function getSubpart($pos, $part, $haystack, $encoding)  argument
806             return self::mb_substr($haystack, 0, $pos, $encoding);
809         return self::mb_substr($haystack, $pos, null, $encoding);
851     private static function getEncoding($encoding)  argument
853         if (null === $encoding) {
857         if ('UTF-8' === $encoding) {
861         $encoding = strtoupper($encoding);
863         if ('8BIT' === $encoding || 'BINARY' === $encoding) {
867         if ('UTF8' === $encoding) {
871         return $encoding;