Please help.
edit_profile.php
<?php
	$path = $_SERVER['DOCUMENT_ROOT'];
	$path .= "/members/core/init.inc.php";
	include_once($path);
if (isset($_POST['email'], $_POST['location'], $_POST['info'])){
	$errors = array();
	
	if (filter_var($_POST['email'], FILTER_VALIDATE_EMAIL) === false){
		$errors[] = 'The email is not valid.';
		}
		
		if (preg_match('#^[a-z0-9 ]+$#i', $_POST['location']) === 0){
			$errors[] = 'Your location must...';
		
		}
		
		if (empty($errors)){
			set_profile_info($_POST['email'], $_POST['location'], $_POST['info']);		
		}
		
		$user_info = array(
			'email'		=> htmlentities($_POST['email']),
			'location'	=> htmlentities($_POST['location']),
			'info'		=> htmlentities($_POST['info'])
		);
}else{
	$user_info = fetch_user_info($_SESSION['id']);
	}
$path = $_SERVER['DOCUMENT_ROOT'];
	$path .= "/members/includes/header.php";
	include_once($path);
?>
<html>
	<title>Edit Your Profile</title>
	<body>
		<div>
			<?php
			
			if (isset($errors) === false){
				echo '';
			}else if (empty($errors)){
				echo 'Your profile has been updated.';
			}else{
				echo '<ul><li>', implode('</li><li>', $errors), '</li></ul>';
			}
			
			?>
		</div>
		
		<form action="" method="post" class="registration_form">
  <fieldset>
    <legend>Edit Details</legend>
    <p>Edit Your Profile <span style="background:#EAEAEA none repeat scroll 0 0;line-height:1;margin-left:210px;;padding:5px 7px;">Already a member? <a href="login.php">Log in</a></span> </p>
					
					<div class="elements">
				<label for="email">Email:</label>
				<input type="text" name="email" id="email" size="25" value="<?php echo $user_info['email']; ?>"></input>
			</div>
			<div class="elements">
				<label for="location">Location:</label>
				<input type="text" name="location" id="location" size="25" value="<?php echo $user_info['location']; ?>"></input>
			</div>
			<div class="elements">
				<label for="info">Info:</label>
				<textarea name="info" id="info" rows="8" cols="50"><?php echo $user_info['info']; ?></textarea>
			</div>
			<div class="submit">
				<input type="submit" value="Update" />
			</div>
		</form>
	</body>		
</html>		
</div>
<br>
<?php
	$path = $_SERVER['DOCUMENT_ROOT'];
    $path .= "/includes/menu.php";
    include_once($path);
    $path = $_SERVER['DOCUMENT_ROOT'];
	$path .= "/members/includes/footer.php";
	include_once($path);
?>	
init.inc.php
<?php
//Database connection.
session_start();
$DB_HOST = 'localhost';
	$DB_USER = 'root';
	$DB_PASS = 'admin';
	$DB_NAME = 'members';
	
$conn = mysql_connect($DB_HOST, $DB_USER, $DB_PASS) or die('<h3>Couldn\'t Connect To MySQL Server</h3><h4>Reason:</h4><p>' . mysql_error() . '</p>');
mysql_select_db($DB_NAME, $conn) or die('<h3>Couldn\'t Select MySQL Database [' . $DB_NAME . ']</h3><h4>Reason:</h4><p>' . mysql_error($conn) . '</p>');	
include("user.inc.php");
//login in check.
$_SESSION['id'] = 1
?>
user.inc.php
<?php
//fetches all of the users from the table.
function fetch_users(){
    $result = mysql_query("SELECT `id` AS `id`, `company_name` AS `company_name` FROM `trades`");
		
	$users = array();
	
	while (($row = mysql_fetch_assoc($result)) !== false){
	    $users[] = $row;
	}
	
	return $users;
}
//fetches profile info.
function fetch_user_info($id){
    $id = (int)$id;
	
	$sql = "SELECT
				`id` AS `id`,
				`firstname` AS `firstname`,
				`surname` AS `surname`,
				`company_name` AS `company_name`,
				`email` AS `email`,
				`location` AS `location`,
				`info` AS `info`
			FROM `trades`
			WHERE `id` = {$id}";
			
	$result = mysql_query($sql);
	
	return mysql_fetch_assoc($result);
	
}
//updates the current users profile info.
function set_profile_info($email, $location, $info){
	$email = mysql_real_escape_string(htmlentities($email));
	$location = mysql_real_escape_string($location);
	$info = mysql_real_escape_string(nl2br(htmlentities($info)));
	
	$sql = "UPDATE `trades` SET
				`email` = `{$email}`
				`location` = `{$location}`
				`info` = `{$info}`
			WHERE `id` = {$_SESSION['id']}";
		
		mysql_query($sql);
}
	
?>
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