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
说明
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.
参数
- algorithm
-
The algorithm to check.
- lib_dir
-
The optional lib_dir parameter can contain the location where the algorithm module is on the system.
返回值
This function returns TRUE if the specified algorithm is a block algorithm, or FALSE if it is a stream one.
