mhash_count

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

mhash_countGets 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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