PHP 5.4.31 Released

mcrypt_module_is_block_mode

(PHP 4 >= 4.0.2, PHP 5)

mcrypt_module_is_block_modeReturns if the specified mode outputs blocks or not

Descrizione

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).

Elenco dei parametri

mode

Una tra le costanti MCRYPT_MODE_modename, oppure una tra le seguenti stringhe: "ecb", "cbc", "cfb", "ofb", "nofb" o "stream".

lib_dir

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

Valori restituiti

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).

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