mhash_get_block_size()

mhash_get_block_size() — Gets the block size of the specified hash.

Built-in function of PHP 8.5. The manual lists it as available in PHP 4, PHP 5, PHP 7, PHP 8. This page is the reference card: signature, parameters and return value, plus the changelog and the example the manual provides.

The PHP manual marks this function as deprecated (since PHP 8.1): do not use it in new code.

Signature

mhash_get_block_size(int $algo): int|false

Parameters

Return value

Returns the size in bytes or false, if the algo does not exist.

Example

A runnable snippet:

echo mhash_get_block_size(MHASH_MD5); // 16

Changelog

All PHP 8.5 built-in functions

Reference card built from the PHP manual page mhash_get_block_size() (PHP documentation, CC BY 3.0). The page is generated from the manual, so the wording of the parameter and return value text follows php.net.