Php/docs/function.mcrypt-enc-is-block-mode
From Get docs
mcrypt_enc_is_block_mode
(PHP 4 >= 4.0.2, PHP 5, PHP 7 < 7.2.0, PECL mcrypt >= 1.0.0)
mcrypt_enc_is_block_mode — Checks whether the opened mode outputs blocks
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_enc_is_block_mode
( resource $td
) : bool
Tells whether the opened mode outputs blocks (e.g. TRUE for cbc and ecb,
and FALSE for cfb and stream).
Parameters
td- The encryption descriptor.
Return Values
Returns TRUE if the mode outputs blocks of bytes,
or FALSE if it outputs just bytes.
