mb_encode_mimeheader() mb_encode_mimeheader( $s, $charset = null, $transferEnc = null, $lf = null, $indent = null) Parameters $s $charset $transferEnc $lf $indent
mb_detect_encoding() mb_detect_encoding( $str, $encodingList = null, $strict = false) Parameters $str $encodingList $strict
mb_substr() mb_substr( $s, $start, $length = 2147483647, $enc = null) Parameters $s $start $length $enc
mb_substr_count() mb_substr_count( $haystack, $needle, $enc = null) Parameters $haystack $needle $enc
mb_convert_variables() mb_convert_variables( $toEncoding, $fromEncoding, $a = null, $b = null, $c = null, $d = null, $e = null, $f = null) Parameters $toEncoding $fromEncoding $a $b $c $d $e $f