mhash_count

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

    mhash_count — Gets the highest available hash ID

    警告

    此函数自 PHP 8.1.0 起弃用。强烈建议不要应用此函数。

    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.

    示例

    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));
    }
    ?>

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