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<form id="contact-form" method="post" action="contact.php">
                                 <div class="messages"></div>
                                 <div class="controls">
                                    <div class="row">
                                       <div class="col-md-6">
                                          <div class="form-group">
                                             <label for="form_name">Firstname *</label>
                                             <input id="form_name" type="text" name="name" class="form-control" placeholder="Please enter your firstname *" required="required" data-error="Firstname is required.">
                                             <div class="help-block with-errors"></div>
                                          </div>
                                       </div>
                                       <div class="col-md-6">
                                          <div class="form-group">
                                             <label for="form_lastname">Lastname *</label>
                                             <input id="form_lastname" type="text" name="surname" class="form-control" placeholder="Please enter your lastname *" required="required" data-error="Lastname is required.">
                                             <div class="help-block with-errors"></div>
                                          </div>
                                       </div>
                                    </div>
                                    <div class="row">
                                       <div class="col-md-6">
                                          <div class="form-group">
                                             <label for="form_email">Email *</label>
                                             <input id="form_email" type="email" name="email" class="form-control" placeholder="Please enter your email *" required="required" data-error="Valid email is required.">
                                             <div class="help-block with-errors"></div>
                                          </div>
                                       </div>
                                       <div class="col-md-6">
                                          <div class="form-group">
                                             <label for="form_need">Please specify your need *</label>
                                             <select id="form_need" name="need" class="form-control" required="required" data-error="Please specify your need.">
                                                <option value="">-----</option>
                                                <option value="Request quotation">Request quotation</option>
                                                <option value="Request order status">Request order status</option>
                                                <option value="Request copy of an invoice">Request copy of an invoice</option>
                                                <option value="Other">Other</option>
                                             </select>
                                             <div class="help-block with-errors"></div>
                                          </div>
                                       </div>
                                    </div>
                                    <div class="row">
                                       <div class="col-md-12">
                                          <div class="form-group">
                                             <label for="form_message">Message *</label>
                                             <textarea id="form_message" name="message" class="form-control" placeholder="Message for me *" rows="4" required="required" data-error="Please, leave us a message."></textarea>
                                             <div class="help-block with-errors"></div>
                                          </div>
                                       </div>
                                       <div class="col-md-12">
                                          <div class="form-group">
                                             <div class="g-recaptcha" data-sitekey="6LdX5uQUAAAAAEPAP03K3_jafzIdoOFSblSgm2um" data-callback="verifyRecaptchaCallback" data-expired-callback="expiredRecaptchaCallback"></div>
                                             <input class="form-control d-none" data-recaptcha="true" required data-error="Please complete the Captcha">
                                             <div class="help-block with-errors"></div>
                                          </div>
                                       </div> 
                                       <div class="col-md-12">
                                          <button type="submit" class="btn btn-success btn-send btn-danger-gradiant mt-3 mb-3 text-white border-0 py-2 px-3" value="Send message"><span> SUBMIT NOW class="fa fa-paper-plane"></span></button> 
                                       </div>
                                    </div>
                                    <div class="row">
                                       <div class="col-md-12">
                                          <p class="text-muted">
                                             ^__strong>* These fields are required.
                                          </p>
                                       </div>
                                    </div>
                                 </div>
                              </form>


$(function () {

    window.verifyRecaptchaCallback = function (response) {
        $('input[data-recaptcha]').val(response).trigger('change');
    }

    window.expiredRecaptchaCallback = function () {
        $('input[data-recaptcha]').val("").trigger('change');
    }

    $('#contact-form').validator();

    $('#contact-form').on('submit', function (e) {
        if (!e.isDefaultPrevented()) {
            var url = "contact.php";

            $.ajax({
                type: "POST",
                url: url,
                data: $(this).serialize(),
                success: function (data) {
                    var messageAlert = 'alert-' + data.type;
                    var messageText = data.message;

                    var alertBox = '<div class="alert ' + messageAlert + ' alert-dismissable"><button type="button" class="close" data-dismiss="alert" aria-hidden="true">×</button>' + messageText + '</div>';
                    if (messageAlert && messageText) {
                        $('#contact-form').find('.messages').html(alertBox);
                        $('#contact-form')[0].reset();
                        grecaptcha.reset();
                    }
                }
            });
            return false;
        }
    })
});


<?php
// require ReCaptcha class
require('recaptcha-master/src/autoload.php');

// configure
// an email address that will be in the From field of the email.
$from = 'Demo contact form <demo@domain.com>';

// an email address that will receive the email with the output of the form
$sendTo = 'Demo contact form <demo@domain.com>';

// subject of the email
$subject = 'New message from contact form';

// form field names and their translations.
// array variable name => Text to appear in the email
$fields = array('name' => 'Name', 'surname' => 'Surname', 'phone' => 'Phone', 'email' => 'Email', 'message' => 'Message');

// message that will be displayed when everything is OK :)
$okMessage = 'Contact form successfully submitted. Thank you, I will get back to you soon!';

// If something goes wrong, we will display this message.
$errorMessage = 'There was an error while submitting the form. Please try again later';

// ReCaptch Secret
$recaptchaSecret = '6LdX5uQUAAAAAEakfeeS4jlKkOjvSaqrawNp4gUD';

// let's do the sending

// if you are not debugging and don't need error reporting, turn this off by error_reporting(0);
error_reporting(E_ALL & ~E_NOTICE);

try {
    if (!empty($_POST)) {

        // validate the ReCaptcha, if something is wrong, we throw an Exception,
        // i.e. code stops executing and goes to catch() block
        
        if (!isset($_POST['g-recaptcha-response'])) {
            throw new \Exception('ReCaptcha is not set.');
        }

        // do not forget to enter your secret key from https://www.google.com/recaptcha/admin
        
        $recaptcha = new \ReCaptcha\ReCaptcha($recaptchaSecret, new \ReCaptcha\RequestMethod\CurlPost());
        
        // we validate the ReCaptcha field together with the user's IP address
        
        $response = $recaptcha->verify($_POST['g-recaptcha-response'], $_SERVER['REMOTE_ADDR']);

        if (!$response->isSuccess()) {
            throw new \Exception('ReCaptcha was not validated.');
        }
        
        // everything went well, we can compose the message, as usually
        
        $emailText = "You have a new message from your contact form\n=============================\n";

        foreach ($_POST as $key => $value) {
            // If the field exists in the $fields array, include it in the email
            if (isset($fields[$key])) {
                $emailText .= "$fields[$key]: $value\n";
            }
        }
    
        // All the neccessary headers for the email.
        $headers = array('Content-Type: text/plain; charset="UTF-8";',
            'From: ' . $from,
            'Reply-To: ' . $from,
            'Return-Path: ' . $from,
        );
        
        // Send email
        mail($sendTo, $subject, $emailText, implode("\n", $headers));

        $responseArray = array('type' => 'success', 'message' => $okMessage);
    }
} catch (\Exception $e) {
    $responseArray = array('type' => 'danger', 'message' => $e->getMessage());
}

if (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest') {
    $encoded = json_encode($responseArray);

    header('Content-Type: application/json');

    echo $encoded;
} else {
    echo $responseArray['message'];
}


What I have tried:

i tried removing action=contact.php but still its not working please help
Posted
Updated 29-May-23 20:11pm

Here's a simplified description of how this can be done - by which I mean submitting your data - and how it is then handled.

form: this has an action attribute (contact.php for you) and all named items withing the from are sent to the action target. This page is then opened after you do whatever you do with the data you sent. If you must use a form for whatever it is you wish to do then one way of doing this is to reopen the same page that you just submitted with the changes you wish (prefill submitted data, for example, along with success or fail message). I would not do it this way, that is, with forms, if I wish to stay on the same page.

AJAX: AJAX allows you to send data to the server, handle it, and then send a response back to the page that sent the data. You can use it to update any part of the existing page. For you, perhaps this would be to put 'success' or 'failure' in an empty area you reserved for the message. AJAX can be learned here.[^]

Once you get used to using AJAX, you will generally prefer it to a form - but forms do have their place.
 
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Comments
Member 14748101 31-Mar-20 12:49pm    
I want to know how to connect it with my sql
W Balboos, GHB 31-Mar-20 13:06pm    
That link I gave you to W3Schools - they have a MySQL Tutorial, as well. The rest follows what I answered, initially.
Your submit handler issues an AJAX request, but it does not prevent the form from submitting.

If you want to keep the user on the current page, and handle the submission via AJAX, you need to prevent the default handling of the submit event.
JavaScript
$('#contact-form').on('submit', function (e) {
    if (!e.isDefaultPrevented()) {
        var url = "contact.php";
        
        $.ajax({
            ...
        });
        
        e.preventDefault(); // <-- Add this line
        //return false; // <-- Remove this line
    }
});
 
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