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
Manual
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.