mcrypt_module_is_block_mode

(PHP 4 >= 4.0.2, PHP 5)

mcrypt_module_is_block_mode — Returns if the specified mode outputs blocks or not

Descrierea

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

This function returns TRUE if the mode outputs blocks of bytes or FALSE if it outputs just bytes. (e.g. TRUE for cbc and ecb, and FALSE for cfb and stream).

Parametri

mode: Una din constantele MCRYPT_MODE_modename sau unul din șirurile de caractere: "ecb", "cbc", "cfb", "ofb", "nofb" sau "stream".
lib_dir: The optional lib_dir parameter can contain the location where the algorithm module is on the system.

Valorile întoarse

This function returns TRUE if the mode outputs blocks of bytes or FALSE if it outputs just bytes. (e.g. TRUE for cbc and ecb, and FALSE for cfb and stream).