mcrypt_enc_is_block_algorithm_mode
(PHP 4 >= 4.0.2, PHP 5, PHP 7 < 7.2.0, PECL mcrypt >= 1.0.0)
mcrypt_enc_is_block_algorithm_mode — Checks whether the encryption of the opened mode works on 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_algorithm_mode ( resource $td ) : bool
Tells whether the algorithm of the opened mode works on blocks (e.g. false for stream, and true for cbc, cfb, ofb)..
Parameters
-
td -
The encryption descriptor.
Return Values
Returns true if the mode is for use with block algorithms, otherwise it returns false.
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https://www.php.net/manual/en/function.mcrypt-enc-is-block-algorithm-mode.php