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Latest Version [8.00202205221] Last Updated [May-22-2022]


PHP Manual [mb_check_encoding]

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PHP Manual || Multibyte String Functions

(PHP 4 >= 4.4.3, PHP 5 >= 5.1.3, PHP 7)

mb_check_encodingCheck if strings are valid for the specified encoding


mb_check_encoding ([ mixed $var = NULL [, string $encoding = mb_internal_encoding() ]] ) : bool

Checks if the specified byte stream is valid for the specified encoding. If var is of type array, all keys and values are validated recursively. It is useful to prevent so-called "Invalid Encoding Attack".



The byte stream or array to check. If it is omitted, this function checks all the input from the beginning of the request.


The expected encoding.

Return Values

Returns TRUE on success or FALSE on failure.


Version Description
7.2.0 This function now also accepts an array as var. Formerly, only strings have been supported.

PHP Manual || Multibyte String Functions