Need some help with a 500 error that has occured for 5 hours with no fixes

PHP
1

Hi there, i am back because i learnt PHP but i am being hit with an error 500 for over an hour and have no clue whats going on, since the code is already being used in the site. so please be nice im a novice still but i am still pretty good a PHP.

here is the code:

<?php
$links = mysql_query("SELECT * FROM  `posts` ORDER BY id DESC LIMIT 0 , 5");
while ($link = mysql_fetch_assoc($links)) { 

$address = $link['address'];
$name = $link['name'];
$id = $link['id'];


    echo "<a href=\\"$address\\">$name</a><br>";
}
   ?>

and the index.php file its in:

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>

<head>
	<meta content="text/html; charset=utf-8" http-equiv="Content-Type">
	<link type="text/css" rel="stylesheet" href="./content/includes/style.css" >
	<title>Torque CMS - Home</title>
</head>

<?php 
	include('./system/database/dbconnect.php');
	include('./content/core/index_content/footer.php');
	//This will start a session
	ob_start();
	session_start();
?>

<body>
<div id="header"><center><h3>Torque CMS</h3></center></div>
<div id="content">
<center>
<?php
$result = mysql_query("SELECT * FROM  `posts` ORDER BY id DESC LIMIT 0 , 5");
while ($article = mysql_fetch_assoc($result)) {
    echo "<br><h2>";
    echo $article['heading'];
    echo "</h2><br>";
    $body = $article['paragraph'];
    echo $body;
    $id = $article['id'];
    echo "<hr />";
}
?>
</center>
</div>
<div id="sb"><center><h4>Menu!</h4><br>
	
	<br>
	<?php
$links = mysql_query("SELECT * FROM  `posts` ORDER BY id DESC LIMIT 0 , 5");
while ($link = mysql_fetch_assoc($links)) { 

$address = $link['address'];
$name = $link['name'];
$id = $link['id'];


    echo "<a href=\\"$address\\">$name</a><br>";
}
   ?>
	<br>
	<hr>

	<?php
	// assign the variables.
		$username = $_SESSION['login'];
		$password = $_SESSION['pass'];

	//Check do we have username and password
		if(!$username && !$password){
			//if there is no username or password set, Set name as guest
			echo "Welcome Guest! <br> <form action='./system/user_system/login.php' method='post'>" 
			//print the form for login
			."Username: <br> <input type='text' name='login' size='30'><br>"
			."Password: <br> <input type='password' name='pass' size='30'><br>"
			."<input type='submit' value='Login'>"
			."</form>"
			."<br>"
			."<a href='./signup.html'>Signup!</a>";
		}else{
			//if there is a session set, Use the values.
			echo "Welcome ".$username." (<a href=./system/user_system/logout.php>Logout</a> <br>)";
					$query = mysql_query("SELECT * FROM login");
					$level = mysql_fetch_assoc( $query );
					$level1 = $level['level'];
		if ($level1 == 'admin') {
			echo '<a href="./admin/index.php">Admin Panel</a>';	
		}else{
			echo '<a href="./user/index.php">User Panel</a>';
		}
		}
	?>
</center></div>
<div id="footer"><br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<center>© <?php echo $year['year']; ?> As Is Hosting - <?php echo $version['version']; ?> | <?php echo $mode['mode']; ?> MODE</center></div>

</body>
<?php ob_flush(); ?>
</html>

thanks

2

If you get a 500 the error-message should be in the error.log (of your webserver). Look there and if needed post the error here.