Mcrypt Functions
PHP Manual

mcrypt_module_get_algo_block_size

(PHP 4 >= 4.0.2, PHP 5, PHP 7)

mcrypt_module_get_algo_block_sizeReturns the blocksize of the specified algorithm

Description

int mcrypt_module_get_algo_block_size ( string $algorithm [, string $lib_dir ] )

Gets the blocksize of the specified algorithm.

Parameters

algorithm

The algorithm name.

lib_dir

This optional parameter can contain the location where the mode module is on the system.

Return Values

Returns the block size of the algorithm specified in bytes.


Mcrypt Functions
PHP Manual