Login script not working in IE browsers

ttmt · July 17, 2009

Hi all

I have this simple login script that works fine in Safari, Firefox, Chrome but freezes in IE browsers.

I know it could be some other aspects of the site that is causing this but is there anything wrong with this code that would stop it working in IE browsers

index() is a function that redirects to the index page.

<?php
require_once("includes/session.php");
require_once("includes/connection.php");
require_once("includes/functions.php");
?>
<?php
if(isset($_POST['submit'])){
	$errors = array();
	$required_fields = array('username', 'password');
	foreach($required_fields as $fieldname){
		if(!isset($_POST[$fieldname]) || empty($_POST[$fieldname])){
			$errors[] = $fieldname;
		}
	}
	$username = mysql_prep($_POST['username']);
	$password = mysql_prep($_POST['password']);
	if(empty($errors)){
		$query = "SELECT user_id, username FROM users WHERE username = '{$username}' AND hash_password = '{$password}'";
		$result = mysql_query($query);
		confirm_query($result);
		if(mysql_num_rows($result) == 1){
			$found_user = mysql_fetch_array($result);
			$_SESSION['user_id'] = $found_user['user_id'];
			$_SESSION['username'] = $found_user['username'];
			redirect_to("imgSelect.php");
		}else{
		   index();
		}
	}else{
		index();
	}
}else{
	if(isset($_GET['logout']) && $_GET['logout'] == 1){
		$message = "You are now logged out";
	}
	$username = "";
	$password = "";
}
?>
<?php
include("includes/header.php");
?>
<?php
include("includes/footer.php");
?>

HTML

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
   "http://www.w3.org/TR/html4/loose.dtd">
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title></title>
<meta name="generator" content="TextMate http://macromates.com/">
<link rel="stylesheet" href="css/site.css" type="text/css" media="screen" />
<script type="text/javascript" src="js/mootools.js"></script>
<script type="text/javascript" src="js/admin.js"></script>
<script type="text/javascript" src="js/lightbox.js"></script>
</head>
<body>
   <div id="wrapper">
      <div id="page">
         <div id="header">
            <div id="headImg">
               <img src="assets/logo.gif" />
            </div><!--headImg--> 
            <div id="headerNav">
               <a href="index.php" id="home">home</a>
         		<a href="contact.php" id="contactIn">contact</a>
         		<a href="#" id="adminIn">admin</a>
         	</div>
      	</div><!--header-->   	
      	<div id= "adminbox">
      		<form action="login.php" name="login" method="post">
         		   <ul>
            			<li><label>Username </label></li>
            			<li id="username"><input type="text" name="username" size="15" class="text" /></li>
            			<li><label>Password </label></li>
            			<li id="password"><input type="password" name="password" size="15" class="text" /></li>	
               	   <li id="login"><input type="image" src="assets/login_btn.gif" name="submit" value="Login"/></li>
                     <li><input type="image" src="assets/close.gif" name="close" value="Close" id="adminOut"/></li>
                  </ul>
      		</form>
      	</div><!--adminbox-->

zq29 · July 18, 2009

IE handles image buttons differently than every other browser. It sends the coordinates of your mouse click, rather than the name of the button in the request.

Try this instead:

if(isset($_POST['submit_x']))

By the way, the other browsers also send the coordinates as well.

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Login script not working in IE browsers

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