(PHP 4 >= 4.2.0, PHP 5, PHP 7) Regular expression match for multibyte string bool mb_ereg_match ( string $pattern, string $string [, string $option = "msr" ] ) A regular expression match for a multibyte string Parameters: pattern The regular expression pattern. string The string being evaluated. option

(PHP 4 >= 4.0.6, PHP 5, PHP 7) Set/Get character encoding detection order mixed mb_detect_order ([ mixed $encoding_list = mb_detect_order() ] ) Sets the automatic character encoding detection order to encoding_list. Parameters: encoding_list encoding_list is an array or comma separated list of character encoding. See supported encodings. If encoding_list is omitted,

(PHP 5 >= 5.3.0, PHP 7) Get aliases of a known encoding type array mb_encoding_aliases ( string $encoding ) Returns an array of aliases for a known encoding type. Parameters: encoding The encoding type being checked, for aliases. Returns: Returns a numerically indexed array of encoding aliases on success, or FALSE on failure

(PHP 4 >= 4.0.6, PHP 5, PHP 7) Convert character code in variable(s) string mb_convert_variables ( string $to_encoding, mixed $from_encoding, mixed &$vars [, mixed &$... ] ) Converts character encoding of variables vars in encoding from_encoding to encoding to_encoding. mb_convert_variables() join strings in Array or Object to detect encoding, since encoding detection tends to fail for short strings. Therefore,

(PHP 4 >= 4.0.6, PHP 5, PHP 7) Detect character encoding string mb_detect_encoding ( string $str [, mixed $encoding_list = mb_detect_order() [, bool $strict = false ]] ) Detects character encoding in string str. Parameters: str The string being detected. encoding_list encoding_list is list of character encoding. Encoding order may

(PHP 4 >= 4.0.6, PHP 5, PHP 7) Decode HTML numeric string reference to character string mb_decode_numericentity ( string $str, array $convmap [, string $encoding = mb_internal_encoding() ] ) Convert numeric string reference of string str in a specified block to character. Parameters: str The string being decoded. convmap convmap is

(PHP 4 >= 4.0.6, PHP 5, PHP 7) Convert character encoding string mb_convert_encoding ( string $str, string $to_encoding [, mixed $from_encoding = mb_internal_encoding() ] ) Converts the character encoding of string str to to_encoding from optionally from_encoding. Parameters: str The string being encoded. to_encoding The type of enc

(PHP 4 >= 4.0.6, PHP 5, PHP 7) Decode string in MIME header field string mb_decode_mimeheader ( string $str ) Decodes encoded-word string str in MIME header. Parameters: str The string being decoded. Returns: The decoded string in internal character encoding. See also:

(PHP 4 >= 4.0.6, PHP 5, PHP 7) Convert "kana" one from another ("zen-kaku", "han-kaku" and more) string mb_convert_kana ( string $str [, string $option = "KV" [, string $encoding = mb_internal_encoding() ]] ) Performs a "han-kaku" - "zen-kaku" conversion for string str. This function is only useful for Japanese. Parameters: str The string being converted.

(PHP 4 >= 4.4.3, PHP 5 >= 5.1.3, PHP 7) Check if the string is valid for the specified encoding bool mb_check_encoding ([ string $var = NULL [, string $encoding = mb_internal_encoding() ]] ) Checks if the specified byte stream is valid for the specified encoding. It is useful to prevent so-called "Invalid Encoding Attack". Parameters: var The byte stream to check.