mcrypt_enc_is_block_algorithm

(PHP 4 >= 4.0.2, PHP 5, PHP 7 < 7.2.0, PECL mcrypt >= 1.0.0)

mcrypt_enc_is_block_algorithm — Checks whether the algorithm of the opened mode is a block algorithm

Warning

This function has been DEPRECATED as of PHP 7.1.0. Relying on this function is highly discouraged.

Description

mcrypt_enc_is_block_algorithm ( resource $td ) : bool

Tells whether the algorithm of the opened mode is a block algorithm.

Parameters

td

The encryption descriptor.

Return Values

Returns TRUE if the algorithm is a block algorithm or FALSE if it is a stream one.