(PHP 4 >= 4.0.2, PHP 5, PHP 7)
Checks whether the encryption of the opened mode works on blocks
bool mcrypt_enc_is_block_algorithm_mode ( resource $td )
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.
Returns:
Returns TRUE if the mode is for use with block algorithms, otherwise it returns FALSE.
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