resetPassword.php

<?php require('includes/config.php'); 

//sessiom
if( $user->is_logged_in() ){ header('Location: memberpage.php'); } 

$stmt = $db->prepare('SELECT resetToken, resetComplete FROM members WHERE resetToken = :token');
$stmt->execute(array(':token' => $_GET['key']));
$row = $stmt->fetch(PDO::FETCH_ASSOC);

if(empty($row['resetToken'])){
	$stop = 'Invalid token provided, please use the link provided in the reset email.';
} elseif($row['resetComplete'] == 'Yes') {
	$stop = 'Your password has already been changed!';
}

//submitted 
if(isset($_POST['submit'])){

	//basic validation
	if(strlen($_POST['password']) < 3){
		$error[] = 'Password is too short.';
	}

	if(strlen($_POST['passwordConfirm']) < 3){
		$error[] = 'Confirm password is too short.';
	}

	if($_POST['password'] != $_POST['passwordConfirm']){
		$error[] = 'Passwords do not match.';
	}

	//if no errors 
	if(!isset($error)){

		//hash the password
		$hashedpassword = $user->password_hash($_POST['password'], PASSWORD_BCRYPT);

		try {

			$stmt = $db->prepare("UPDATE members SET password = :hashedpassword, resetComplete = 'Yes'  WHERE resetToken = :token");
			$stmt->execute(array(
				':hashedpassword' => $hashedpassword,
				':token' => $row['resetToken']
			));

			//redirect to index page
			header('Location: login.php?action=resetAccount');
			exit;

		//else catch the exception and show the error.
		} catch(PDOException $e) {
		    $error[] = $e->getMessage();
		}

	}

}

//define page title
$title = 'Reset Account';

//include header template
require('layout/header.php'); 
?>

<div class="container">

	<div class="row">

	    <div class="col-xs-12 col-sm-8 col-md-6 col-sm-offset-2 col-md-offset-3">


	    	<?php if(isset($stop)){

	    		echo "<p class='bg-danger'>$stop</p>";

	    	} else { ?>

				<form role="form" method="post" action="" autocomplete="off">
					<h2>Change Password</h2>
					<hr>

					<?php
					//check for any errors
					if(isset($error)){
						foreach($error as $error){
							echo '<p class="bg-danger">'.$error.'</p>';
						}
					}

					//check the action
					switch ($_GET['action']) {
						case 'active':
							echo "<h2 class='bg-success'>Your account is now active you may now log in.</h2>";
							break;
						case 'reset':
							echo "<h2 class='bg-success'>Please check your inbox for a reset link.</h2>";
							break;
					}
					?>

					<div class="row">
						<div class="col-xs-6 col-sm-6 col-md-6">
							<div class="form-group">
								<input type="password" name="password" id="password" class="form-control input-lg" placeholder="Password" tabindex="1">
							</div>
						</div>
						<div class="col-xs-6 col-sm-6 col-md-6">
							<div class="form-group">
								<input type="password" name="passwordConfirm" id="passwordConfirm" class="form-control input-lg" placeholder="Confirm Password" tabindex="1">
							</div>
						</div>
					</div>
					
					<hr>
					<div class="row">
						<div class="col-xs-6 col-md-6"><input type="submit" name="submit" value="Change Password" class="btn btn-primary btn-block btn-lg" tabindex="3"></div>
					</div>
				</form>

			<?php } ?>
		</div>
	</div>


</div>

<?php 
//include header template
require('layout/footer.php'); 
?>