mhash_count

(PHP 4, PHP 5, PHP 7, PHP 8)

mhash_count — Gets the highest available hash ID

警告

This function has been DEPRECATED as of PHP 8.1.0. Relying on this function is highly discouraged.

说明

mhash_count(): int

Gets the highest available hash ID.

参数

此函数没有参数。

返回值

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

更新日志

版本	说明
8.1.0	This function has been deprecated. Use the `hash_*()` functions instead.

范例

示例 #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));
}
?>