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Slick Ajax Contact Form with jQuery and PHP

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28-Jun-12 10:47

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hobbiton73

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Posts: 2

Hi, firstly many thanks for the article, it's the best by far that I've seen.

Secondly I apologise in advance to the more seasoned programmer who may feel that is a basic question, but I'm relatively new to this so please bear with me.

I'm wanting to adapt this to use as a form submission script, but just so I understand how everything works I've kept the HTML form as per the example only changing the PHP script as shown below.


<?php

	include("admin/link.php");
	include("admin/opendb.php");
	
// Read the form values
$success = false;
$senderName = isset( $_POST['senderName'] ) ? preg_replace( "/[^\.\-\' a-zA-Z0-9]/", "", $_POST['senderName'] ) : "";
$senderEmail = isset( $_POST['senderEmail'] ) ? preg_replace( "/[^\.\-\_\@a-zA-Z0-9]/", "", $_POST['senderEmail'] ) : "";
$message = isset( $_POST['message'] ) ? preg_replace( "/(From:|To:|BCC:|CC:|Subject:|Content-Type:)/", "", $_POST['message'] ) : "";

$query = "INSERT INTO `contact` (senderName, senderEmail, message) VALUES ('$senderName', '$senderEmail', '$message')";  
$result = mysql_query($query);  //query executes  

// Return an appropriate response to the browser
if ( isset($_GET["ajax"]) ) 
{
  echo $success ? "success" : "error";
  
} else {
?>
<html>
  <head>
    <title>Thanks!</title>
  </head>
  <body>
  <?php if ( $success ) echo "<p>Thanks for sending your message! We'll get back to you shortly.</p>" ?>
  <?php if ( !$success ) echo "<p>There was a problem sending your message. Please try again.</p>" ?>
  <p>Click your browser's Back button to return to the page.</p>
  </body>
</html>
<?php
}
?>

The code correctly saves the data to a mySQL database. But the problem I'm having is that upon clicking 'Send email' I, for a fraction of a second, receive the 'Sending mail' message, before receiving the 'There was a problem...' error message. Because of this, the fields in the form are not cleared and I do not receive the final 'Thank you' message.

I've been working on this for a few days now and I just can't seem to get the process to work correctly.

I just wondered whether someone could possibly please take a look at this and let me know where i'm going wrong.

Many thanks and kind regards

13-Jul-12 02:38

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matt

Gold

Posts: 3304

From: Southern Highlands, NSW, Australia

@hobbiton73: First try sending your form with JavaScript disabled in the browser. This will use the non-Ajax send method and you can see exactly what your PHP script is doing.

You could also try adding ?ajax=true to your form action (with JS still disabled):

<form id="contactForm" action="processForm.php?ajax=true" method="post">

This will make the PHP think it's an Ajax request and you can see what it returns in that situation.

Also check your PHP/server error log for any error messages.

--
Matt Doyle, Elated
3rd Edition of my jQuery Mobile book out now! Learn to build mobile web apps. Free sample chapter: http://store.elated.com/

17-Jul-12 09:41

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hobbiton73

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Posts: 2

Hi, thank you for replying to my post.

With a little work, I've now managed to solve the problems I was having and have managed to get this to work.

Many thanks and kind regards