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