mcrypt_enc_is_block_mode
PHP function
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(PHP 4 >= 4.0.2, PHP 5, PHP 7 < 7.2.0, PECL mcrypt >= 1.0.0)
Checks whether the opened mode outputs blocks
Removed-7-2-0
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
tdThe encryption descriptor.
Return Values
Returns true if the mode outputs blocks of bytes, or false if it outputs just bytes.