# mhash_count

(PHP 4, PHP 5, PHP 7)

mhash_count — Gets the highest available hash ID

### 说明

mhash_count ( void ) : int

Gets the highest available hash ID.

### 返回值

Returns the highest available hash ID. Hashes are numbered from 0 to this hash ID.

### 范例

Example #1 Traversing all hashes

    <?php

    $nr = mhash_count();

    for ($i = 0; $i <= $nr; $i++) {
        echo sprintf("The blocksize of %s is %d\n",
            mhash_get_hash_name($i),
            mhash_get_block_size($i));
    }
    ?>