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);
346         if (null === $encoding) {
350         return iconv('UTF-8', $encoding.'//IGNORE', $s);
353     public static function mb_internal_encoding($encoding = null)  argument
355         if (null === $encoding) {
359         $normalizedEncoding = self::getEncoding($encoding);
371 …ew \ValueError(sprintf('Argument #1 ($encoding) must be a valid encoding, "%s" given', $encoding));
400     public static function mb_encoding_aliases($encoding)  argument
402         switch (strtoupper($encoding)) {
411     public static function mb_check_encoding($var = null, $encoding = null)  argument
419         if (null === $encoding) {
423             $encoding = self::$internalEncoding;
427 …return self::mb_detect_encoding($var, [$encoding]) || false !== @iconv($encoding, $encoding, $var);
431             if (!self::mb_check_encoding($key, $encoding)) {
434             if (!self::mb_check_encoding($value, $encoding)) {
508     public static function mb_strlen($s, $encoding = null)  argument
510         $encoding = self::getEncoding($encoding);
511         if ('CP850' === $encoding || 'ASCII' === $encoding) {
515         return @iconv_strlen($s, $encoding);
518     public static function mb_strpos($haystack, $needle, $offset = 0, $encoding = null)  argument
520         $encoding = self::getEncoding($encoding);
521         if ('CP850' === $encoding || 'ASCII' === $encoding) {
536         return iconv_strpos($haystack, $needle, $offset, $encoding);
539     public static function mb_strrpos($haystack, $needle, $offset = 0, $encoding = null)  argument
541         $encoding = self::getEncoding($encoding);
542         if ('CP850' === $encoding || 'ASCII' === $encoding) {
551                     $haystack = self::mb_substr($haystack, 0, $offset, $encoding);
555                 $haystack = self::mb_substr($haystack, $offset, 2147483647, $encoding);
560             ? iconv_strrpos($haystack, $needle, $encoding)
561             : self::mb_strlen($haystack, $encoding);
566     public static function mb_str_split($string, $split_length = 1, $encoding = null)  argument
584         if (null === $encoding) {
585             $encoding = mb_internal_encoding();
588         if ('UTF-8' === $encoding = self::getEncoding($encoding)) {
600         $length = mb_strlen($string, $encoding);
603             $result[] = mb_substr($string, $i, $split_length, $encoding);
609     public static function mb_strtolower($s, $encoding = null)  argument
611         return self::mb_convert_case($s, \MB_CASE_LOWER, $encoding);
614     public static function mb_strtoupper($s, $encoding = null)  argument
616         return self::mb_convert_case($s, \MB_CASE_UPPER, $encoding);
637     public static function mb_substr($s, $start, $length = null, $encoding = null)  argument
639         $encoding = self::getEncoding($encoding);
640         if ('CP850' === $encoding || 'ASCII' === $encoding) {
645             $start = iconv_strlen($s, $encoding) + $start;
654             $length = iconv_strlen($s, $encoding) + $length - $start;
660         return (string) iconv_substr($s, $start, $length, $encoding);
663     public static function mb_stripos($haystack, $needle, $offset = 0, $encoding = null)  argument
666             self::mb_convert_case($haystack, \MB_CASE_LOWER, $encoding),
667             self::mb_convert_case($needle, \MB_CASE_LOWER, $encoding),
670         return self::mb_strpos($haystack, $needle, $offset, $encoding);
673     public static function mb_stristr($haystack, $needle, $part = false, $encoding = null)  argument
675         $pos = self::mb_stripos($haystack, $needle, 0, $encoding);
677         return self::getSubpart($pos, $part, $haystack, $encoding);
680     public static function mb_strrchr($haystack, $needle, $part = false, $encoding = null)  argument
682         $encoding = self::getEncoding($encoding);
683         if ('CP850' === $encoding || 'ASCII' === $encoding) {
686             $needle = self::mb_substr($needle, 0, 1, $encoding);
687             $pos = iconv_strrpos($haystack, $needle, $encoding);
690         return self::getSubpart($pos, $part, $haystack, $encoding);
693     public static function mb_strrichr($haystack, $needle, $part = false, $encoding = null)  argument
695         $needle = self::mb_substr($needle, 0, 1, $encoding);
696         $pos = self::mb_strripos($haystack, $needle, $encoding);
698         return self::getSubpart($pos, $part, $haystack, $encoding);
701     public static function mb_strripos($haystack, $needle, $offset = 0, $encoding = null)  argument
703         $haystack = self::mb_convert_case($haystack, \MB_CASE_LOWER, $encoding);
704         $needle = self::mb_convert_case($needle, \MB_CASE_LOWER, $encoding);
709         return self::mb_strrpos($haystack, $needle, $offset, $encoding);
712     public static function mb_strstr($haystack, $needle, $part = false, $encoding = null)  argument
759     public static function mb_http_output($encoding = null)  argument
761         return null !== $encoding ? 'pass' === $encoding : 'pass';
764     public static function mb_strwidth($s, $encoding = null)  argument
766         $encoding = self::getEncoding($encoding);
768         if ('UTF-8' !== $encoding) {
769             $s = iconv($encoding, 'UTF-8//IGNORE', $s);
777     public static function mb_substr_count($haystack, $needle, $encoding = null)  argument
787     public static function mb_chr($code, $encoding = null)  argument
799         if ('UTF-8' !== $encoding = self::getEncoding($encoding)) {
800             $s = mb_convert_encoding($s, $encoding, 'UTF-8');
806     public static function mb_ord($s, $encoding = null)  argument
808         if ('UTF-8' !== $encoding = self::getEncoding($encoding)) {
809             $s = mb_convert_encoding($s, 'UTF-8', $encoding);
830 …$length, string $pad_string = ' ', int $pad_type = \STR_PAD_RIGHT, string $encoding = null): string  argument
836         if (null === $encoding) {
837             $encoding = self::mb_internal_encoding();
841             $validEncoding = @self::mb_check_encoding('', $encoding);
843 …(sprintf('mb_str_pad(): Argument #5 ($encoding) must be a valid encoding, "%s" given', $encoding));
848 …(sprintf('mb_str_pad(): Argument #5 ($encoding) must be a valid encoding, "%s" given', $encoding));
851         if (self::mb_strlen($pad_string, $encoding) <= 0) {
855         $paddingRequired = $length - self::mb_strlen($string, $encoding);
863 …self::mb_substr(str_repeat($pad_string, $paddingRequired), 0, $paddingRequired, $encoding).$string;
865 …$string.self::mb_substr(str_repeat($pad_string, $paddingRequired), 0, $paddingRequired, $encoding);
870 …leftPaddingLength, $encoding).$string.self::mb_substr(str_repeat($pad_string, $rightPaddingLength)…
874     private static function getSubpart($pos, $part, $haystack, $encoding)  argument
880             return self::mb_substr($haystack, 0, $pos, $encoding);
883         return self::mb_substr($haystack, $pos, null, $encoding);
925     private static function getEncoding($encoding)  argument
927         if (null === $encoding) {
931         if ('UTF-8' === $encoding) {
935         $encoding = strtoupper($encoding);
937         if ('8BIT' === $encoding || 'BINARY' === $encoding) {
941         if ('UTF8' === $encoding) {
945         return $encoding;