Ajax is a JavaScript based web development technology used for building asynchronous application. Ajax can send and receive date in the background (without page refreshing or redirecting). We need to use XMLHttpRequest object for working with ajax but jQuery library made it more easy to working with ajax by using jQuery.ajax, jQuery.get, jQuery.post methods.
In this post I have a simple html contact us form example that takes information(name, email, subject and message) from user. When user submit the form data send asynchronously to the server. PHP receives XMLHttpRequest request and process data from server side.
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HTML Markup
Let's take a look at html markup. We have a basic html contact us form
JavaScript and jQuery Code
This jQuery code used for submitting form with ajax request using jQuery.ajax method
PHP Code
We need to presses user submitted data from server side. This PHP code detects ajax request using HTTP_X_REQUESTED_WITH header request, looks for validation of data and send mail with PHP mail function.
In this post I have a simple html contact us form example that takes information(name, email, subject and message) from user. When user submit the form data send asynchronously to the server. PHP receives XMLHttpRequest request and process data from server side.
HTML Markup
Let's take a look at html markup. We have a basic html contact us form
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<title>HTML Form Submit with jQuery AJAX</title>
</head>
<body>
<h1>Contact us</h1>
<form action="" method="post">
<input type="text" name="name" />
<input type="mail" name="email" />
<input type="text" name="subject" />
<textarea name="message"></textarea>
<button>Send Mail</button>
</form>
</body>
</html>
JavaScript and jQuery Code
This jQuery code used for submitting form with ajax request using jQuery.ajax method
<!-- import jQuery library -->
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
var form = $('#form'); // contact form
var submit = $('#submit'); // submit button
var alert = $('.alert'); // alert div for show alert message
// form submit event
form.on('submit', function(e) {
e.preventDefault(); // prevent default form submit
$.ajax({
url: '', // form action url
type: 'POST', // form submit method get/post
dataType: 'html', // request type html/json/xml
data: form.serialize(), // serialize form data
beforeSend: function() {
alert.fadeOut();
submit.html('Sending....'); // change submit button text
},
success: function(data) {
alert.html(data).fadeIn(); // fade in response data
form.trigger('reset'); // reset form
submit.html('Send Email'); // reset submit button text
},
error: function(e) {
console.log(e)
}
});
});
});
</script>
PHP Code
We need to presses user submitted data from server side. This PHP code detects ajax request using HTTP_X_REQUESTED_WITH header request, looks for validation of data and send mail with PHP mail function.
# if request sent using HTTP_X_REQUESTED_WITH
if( isset( $_SERVER['HTTP_X_REQUESTED_WITH'] ) ){
if (isset($_POST['name']) AND isset($_POST['email']) AND isset($_POST['subject']) AND isset($_POST['message'])) {
$to = 'your@mail.id';
$name = filter_var($_POST['name'], FILTER_SANITIZE_STRING);
$email = filter_var($_POST['email'], FILTER_SANITIZE_EMAIL);
$subject = filter_var($_POST['subject'], FILTER_SANITIZE_STRING);
$message = filter_var($_POST['message'], FILTER_SANITIZE_STRING);
$sent = email($to, $email, $name, $subject, $message);
if ($sent) {
echo 'Message sent!';
} else {
echo 'Message couldn\'t sent!';
}
}
else {
echo 'All Fields are required';
}
return;
}
/**
* Email send with headers
*
* @return bool | void
**/
function email($to, $from_mail, $from_name, $subject, $message){
$header = array();
$header[] = "MIME-Version: 1.0";
$header[] = "From: {$from_name}<{$from_mail}>";
/* Set message content type HTML*/
$header[] = "Content-type:text/html; charset=iso-8859-1";
$header[] = "Content-Transfer-Encoding: 7bit";
if( mail($to, $subject, $message, implode("\r\n", $header)) ) return true;
}
First of all, great article! This has helped me a ton with AJAX. I was hoping you could elaborate on a part of this. I cannot figure out what is going on here.
ReplyDeletedata: form.serialize(),
...
"success: function(data) {
alert.html(data).fadeIn();"
I am having such a hard time with this concept, how is the alert being tied to the message being displayed?
Thanks in advance!
See api.jquery.com/serialize
DeleteHI, the form not working properly in Safari and Android, it send also if the fields are empty.
DeleteSorry, but I'm kinda confused on where to set the "To" email address. Am I missing something?
ReplyDeleteSorry, missed the field in the PHP code.
DeleteBut now I'm confused as to where I place this PHP code.
Nevermind, I figured it out once I dug through the source files.
Delete-I'm an idiot :P
i have same problem? for me the source is broken.. I am also stupid where do I put the PHP code??
DeleteHi, thanks for the nice article, its pretty cool. But I am facing a problem to use it in wordpress. It just shows "Sending..." when I click send email, not showing "message sent". Can anyone help me??
ReplyDeleteregards,
Biplob
I've the same problem!!! Don't know why!
DeleteI'm confused. There doesn't seem to be any actual validation in this form, so I added my own, but still no luck, it will send a blank email no matter what. So far I can't figure it out, but when it comes to php, jQuery and AJAX, I'm a n00b.
ReplyDeleteThanks for good article ; better for learners
ReplyDeleteHi! Great tutorial! Is there any way to apply this code using a div button as submit button? I tried different way but I didn't get lucky. Thanks!!
ReplyDeleteGreat stuff! Thanks!
ReplyDeleteBut I'm having problem using it all the way, after clicking the submit button.
Would be pleased if someone could take a look to see if I'm missing something.
http://www.kaoboj.se/test/form.html
This comment has been removed by the author.
ReplyDeleteHi, Great.. Tutorial is just awesome..It is really helpful for a newbie like me.. I am a regular follower of your blog. Really very informative post you shared here. Kindly keep blogging. If anyone wants to become a Front end developer learn from Javascript Training in Chennai . or learn thru JavaScript Online Training India. Nowadays JavaScript has tons of job opportunities on various vertical industry.
DeleteThanks for your code, I still have the same problem than many people, i can't have the message sent correct after submitting the form, can you fix that?
ReplyDeletemany thanks
This comment has been removed by the author.
ReplyDeleteif( isset( $_SERVER['HTTP_X_REQUESTED_WITH'] ) ){
Deleteif (isset($_POST['name'])AND !empty($_POST['name'])AND isset($_POST['email']) AND !empty($_POST['email'])AND isset($_POST['subject']) AND !empty($_POST['subject'])AND isset($_POST['message'])AND !empty($_POST['message'])) {
if (preg_match('/^([a-z0-9])(([-a-z0-9._])*([a-z0-9]))*\@([a-z0-9])(([a-z0-9-])*([a-z0-9]))+' . '(\.([a-z0-9])([-a-z0-9_-])?([a-z0-9])+)+$/i', strtolower($_POST['email']))){
$to = 'your-email';
$name = filter_var($_POST['name'], FILTER_SANITIZE_STRING);
$email = filter_var($_POST['email'], FILTER_SANITIZE_EMAIL);
$subject = filter_var($_POST['subject'], FILTER_SANITIZE_STRING);
$message = filter_var($_POST['message'], FILTER_SANITIZE_STRING);
$sent = email($to, $email, $name, $subject, $message);
if ($sent) {
echo 'Message sent!';
} else {
echo 'Message couldn\'t sent!';
}
}
else {
echo 'That is not a valid e-mail address';
}
}
else {
echo 'All Fields are required';
}
return;
}
fix for 'required' and email control
Deletehii I have written all query in functions.php. i have written a function to update profile in functions.php.can I call a function in form action url
ReplyDelete
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Mine message is not being delivered though it shows "Message sent!". Please help me out.
ReplyDeleteHi,
ReplyDeleteIs it possible to use multi form submit using your code?
Please help me.
Many Thanks
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