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.
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https://www.php.net/manual/en/function.mcrypt-enc-is-block-mode.php