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mcrypt_module_is_block_mode

(PHP 4 >= 4.0.2, PHP 5, PHP 7 < 7.2.0, PECL mcrypt >= 1.0.0)

mcrypt_module_is_block_mode — Returns if the specified mode outputs blocks or not

Avviso

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.

Descrizione

mcrypt_module_is_block_mode(string $mode, string $lib_dir = ?): bool

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).