mhash_count
(PHP 4, PHP 5, PHP 7, PHP 8)
mhash_count — Gets the highest available hash ID
警告
此函式自 PHP 8.1.0 起棄用。強烈建議不要應用此特性。
說明
mhash_count(): int
Gets the highest available hash ID.
參數
此函式沒有參數。
返回值
Returns the highest available hash ID. Hashes are numbered from 0 to this hash ID.
範例
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));
}
?>