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

mcrypt_module_get_algo_block_sizeReturns the blocksize of the specified algorithm


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.


mcrypt_module_get_algo_block_size(string $algorithm, string $lib_dir = ?): int

Gets the blocksize of the specified algorithm.

Elenco dei parametri


The algorithm name.


This optional parameter can contain the location where the mode module is on the system.

Valori restituiti

Returns the block size of the algorithm specified in bytes.

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