Php/docs/function.mcrypt-enc-is-block-algorithm

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mcrypt_enc_is_block_algorithm

(PHP 4 >= 4.0.2, PHP 5, PHP 7 < 7.2.0, PECL mcrypt >= 1.0.0)

mcrypt_enc_is_block_algorithmChecks whether the algorithm of the opened mode is a block algorithm


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 ( resource $td ) : bool

Tells whether the algorithm of the opened mode is a block algorithm.


Parameters

td
The encryption descriptor.


Return Values

Returns TRUE if the algorithm is a block algorithm or FALSE if it is a stream one.