forgot_password_submit.php

<?php
require('connection.inc.php');
require('function.inc.php');

$email = get_safe_value($con, $_POST['email']);
$res = mysqli_query($con, "select * from users where email='$email'");
$check_user = mysqli_num_rows($res);

if ($check_user > 0) {
    $row = mysqli_fetch_assoc($res);
    $pwd = $row['password'];
    $html = "Your password is <strong>$pwd</strong>";

    include('smtp/PHPMailerAutoload.php');
    $mail = new PHPMailer(true);
    $mail->isSMTP();
    $mail->Host = "smtp.gmail.com";
    $mail->Port = 587;
    // $mail->SMTPDebug = 2;
    $mail->SMTPSecure = "tls";
    $mail->SMTPAuth = true;
    $mail->Username = SMTP_EMAIL;
    $mail->Password = SMTP_PASSWORD;
    $mail->SetFrom(SMTP_EMAIL);
    $mail->addAddress($email);
    $mail->IsHTML(true);
    $mail->Subject = "Your Password";
    $mail->Body = $html;
    $mail->SMTPOptions = array('ssl' => array(
        'verify_peer' => false,
        'verify_peer_name' => false,
        'allow_self_signed' => false
    ));
    if ($mail->send()) {
        echo "Please check your email id for password";
    } else {
        // echo "Error occur";
    }
} else {
    echo "Email id not register with us";
    die();
}