Php/docs/function.mcrypt-module-is-block-algorithm
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mcrypt_module_is_block_algorithm
(PHP 4 >= 4.0.2, PHP 5, PHP 7 < 7.2.0, PECL mcrypt >= 1.0.0)
mcrypt_module_is_block_algorithm — This function checks whether the specified algorithm is a block algorithm
Warning This function has been DEPRECATED as of PHP 7.1.0 and REMOVED as of PHP 7.2.0. Relying on this function is highly discouraged.
Description
mcrypt_module_is_block_algorithm
( string $algorithm
[, string $lib_dir
] ) : bool
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.