mcrypt_module_is_block_algorithm

(PHP 4 >= 4.0.2, PHP 5)

mcrypt_module_is_block_algorithm — This function checks whether the specified algorithm is a block algorithm

Description

bool mcrypt_module_is_block_algorithm ( string $algorithm [, string $lib_dir ] )

This function returns TRUE if the specified algorithm is a block algorithm, or FALSE if it is a stream one.

Parameters

algorithm

The algorithm to check.

lib_dir

The optional lib_dir parameter can contain the location where the algorithm module is on the system.

Return Values

This function returns TRUE if the specified algorithm is a block algorithm, or FALSE if it is a stream one.