mcrypt_module_is_block_algorithm_mode

(PHP 4 >= 4.0.2, PHP 5)

mcrypt_module_is_block_algorithm_mode — Returns if the specified module is a block algorithm or not

Opis

bool mcrypt_module_is_block_algorithm_mode ( string $mode [, string $lib_dir ] )

This function returns TRUE if the mode is for use with block algorithms, otherwise it returns FALSE. (e.g. FALSE for stream, and TRUE for cbc, cfb, ofb).

Parametry

mode: The mode to check.
lib_dir: The optional lib_dir parameter can contain the location where the algorithm module is on the system.

Zwracane wartości

This function returns TRUE if the mode is for use with block algorithms, otherwise it returns FALSE. (e.g. FALSE for stream, and TRUE for cbc, cfb, ofb).