--- fenglin/lib/passwd.inc.php	2025/03/30 13:11:54	1.1
+++ fenglin/lib/passwd.inc.php	2025/03/31 13:58:58	1.2
@@ -5,8 +5,9 @@ function verify_pass_complexity($passwor
 	$num_count = 0;
 	$upper_case = 0;
 	$lower_case = 0;
+	$len = strlen($password);
 
-	if (strlen($password) < $min_len)
+	if ($len < $min_len)
 	{
 		return false;
 	}
@@ -16,8 +17,10 @@ function verify_pass_complexity($passwor
 		return false;
 	}
 
-	foreach ($password as $c)
+	for ($i = 0; $i < $len; $i++)
 	{
+		$c = $password[$i];
+		
 		if (isset($ch[$c]))
 		{
 			$ch[$c]++;