(PHP 4, PHP 5, PHP 7, PHP 8)
mhash_count — Gets the highest available hash ID
此函數(shù)自 PHP 8.1.0 起棄用。強(qiáng)烈建議不要應(yīng)用此特性。
Gets the highest available hash ID.
此函數(shù)沒有參數(shù)。
Returns the highest available hash ID. Hashes are numbered from 0 to this hash ID.
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));
}
?>