--- fenglin/lib/passwd.inc.php	2025/03/30 13:11:54	1.1
+++ fenglin/lib/passwd.inc.php	2025/04/23 05:13:57	1.4
@@ -1,57 +1,42 @@
-<?
+<?php
 function verify_pass_complexity($password, $username, $min_len)
 {
-	$ch = array();
 	$num_count = 0;
 	$upper_case = 0;
 	$lower_case = 0;
+	$len = strlen($password);
 
-	if (strlen($password) < $min_len)
+	if ($len < $min_len)
 	{
 		return false;
 	}
 
-	if (strstr(strtoupper($password), strtoupper($username)) !== false)
+	if (stristr($password, $username) !== false)
 	{
 		return false;
 	}
 
-	foreach ($password as $c)
+	for ($i = 0; $i < $len; $i++)
 	{
-		if (isset($ch[$c]))
-		{
-			$ch[$c]++;
-			if ($ch[$c] >= 3)
-			{
-				return false;
-			}
-		}
-		else
-		{
-			$ch[$c] = 1;
-		}
-
+		$c = $password[$i];
+		
 		if (is_numeric($c))
 		{
 			$num_count++;
-			if ($num_count >= 3)
-			{
-				return false;
-			}
 		}
 
-		if (ord($c) >= ord('A') && ord($c) <= ord('Z'))
+		if (ctype_upper($c))
 		{
 			$upper_case++;
 		}
 
-		if (ord($c) >= ord('a') && ord($c) <= ord('z'))
+		if (ctype_lower($c))
 		{
 			$lower_case++;
 		}
 	}
 
-	if ($upper_case==0 || $lower_case==0 || $num_count==0)
+	if ($upper_case == 0 || $lower_case == 0 || $num_count == 0)
 	{
 		return false;
 	}