mcrypt_enc_is_block_algorithm

(PHP 4 >= 4.0.2, PHP 5)

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

bool mcrypt_enc_is_block_algorithm ( resource $td )

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

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