# mhash_get_block_size

(PHP 4, PHP 5, PHP 7)

mhash_get_block_size — Gets the block size of the specified hash

### 说明

mhash_get_block_size ( int `$hash` ) : int

Gets the size of a block of the specified `hash`.

### 参数

`hash`

  The hash ID. One of the `MHASH_hashname` constants.

### 返回值

Returns the size in bytes or `FALSE`, if the `hash` does not exist.

### 范例

Example #1 mhash_get_block_size() Example

    <?php

    echo mhash_get_block_size(MHASH_MD5); // 16

    ?>