PHP Forget Password Script | PHP Scripts | PHP Examples
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PHP Forget Password Script

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When we create a login system then forgot password is a mandatory feature. It permits user to update/reset their password, when they have forgotten. In this article we'll show you the code for the implementation of forgot password script in PHP login system so that the user can reset the password through their email address.

To create a forgot password functionality, use below code:

<?php
include('dbconnect.php');
if(isset($_POST[forgot'']))
{
send_forgot_password($_POST);
}
?>

<html>

<head> </head>

<body>
<section class="bg-grey">
<div class="main">
<div class="container">
<div class="col-md-12">
<div class="form-content-box">

<div class="login-header">
<h3 class="text-center"> Login </h3>
</div>

<div class="form-content-box">

<div class="login-header">
<h3 class="text-center"> Reset Password </h3>
</div>

<div class="details">
<form action="" method="post">
<div class="form-group">
<input type="email" name="email" placeholder="Enter email" autocomplete="off" required class="form-control" pattern="[a-z0-9._%+-]+@[a-z.-]+\.[a-z]{2,3}$">
</div>

<div class="form-group">
<button type="submit" name="forgot" class="btn btn-submit"> Send Me Email </button>
</div>
</form>

</div>

</div>
</div>
</div>
</div>
<section>
<div class="clearfix"> </div>

</body>

</html>

<?php
function check_email_exists($txtval)
{
$query = "SELECT * FROM users WHERE email ='$txtval'";
$qry = mysqli_query($GLOBALS['db'],$query) or die ("error 6".mysqli_error($GLOBALS['db']));
$num = mysqli_num_rows($qry);
$rec = mysqli_fetch_array($qry);
return $rec;
}

function update_password($uid)
{
$pass= mt_rand(100000, 999999);
$password = md5($pass);
$sql="UPDATE users set password='$password' WHERE id='$uid'";
$query=mysqli_query($GLOBALS['db'],$sql);
return $pass;
}
function send_Email($to, $from, $subject, $msg)
{

// the message
// use wordwrap() if lines are longer than 70 characters

$msg = wordwrap($msg, 70);

// Always set content-type when sending HTML email

$headers = "MIME-Version: 1.0" . "\r\n";
$headers .= "Content-type:text/html; charset=UTF-8" . "\r\n";

// More headers

$headers .= 'From: <'.$from.'>' . "\r\n";

// $headers .= 'Cc: info@ontimeinfotech.com' . "\r\n";

$a = mail($to, $subject, $msg, $headers);
}
function send_forgot_password($data)
{
$is_email = check_email_exists($data['email']);
if($is_email)
{
$new_pass = update_password($is_email['id']);
$email_msg = 'New Password: '.$new_pass;
send_Email($to=$is_email['email'], $from='info@domain.com', $subject='Notification: Password Reset', $email_msg);
echo '<script> alert("New Password sent at Email Id."); </script>';
echo '<script> window.location.href="login.php"; </script>';
}
else
{
echo '<script> alert("This Email Id does not exists in our database."); </script>';
}

// return $return_data;
}

?>
Result:
When we enter wrong email id than we can not retrieve/reset password:


When we enter correct email id we will get new password on our email id:



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