PHP Programming Tutorial for Beginners 2 PHP Scripts
PHP Contact Feedback Form Script



May 1st, 2009:

PHP Contact Mail Feedback Form Script

This is the form that goes into your HTML page:

<form method="post" action="sendmail.php">
<?php if (isset($error_message)) { ?>
  <div style="background-color:#ff6666;font-weight:bold;text-align:center;color:black;">
  <?php print $error_message; ?>
  </div>
<?php } ?>
  <input type="hidden" name="submit" value="1" />
  Your Email: <font color="Red">*</font>
  <br>
  <input name="email" type="text" />
  <br />
  First Name:
  <br>
  <input name="firstname" type="text" />
  <br />
  Last Name:
  <br>
  <input name="lastname" type="text" />
  <br />
  Message Subject:
  <br>
  <input name="messagesubject" type="text" />
  <br />
  Your Message:
  <br />
  <textarea name="message" rows="10" cols="55"></textarea>
  <br />
  <input type="submit" />
</form>

This is the PHP mail or contact form script that goes into your sendmail.php file:

(Example webmasterseminar.com) Replace "webmasterseminar.com" with your domain. 
<?php
//~~~~~~~~~~~~~~~~
// Configuration  
//                
define('ALLOWED_DOMAINS', 'webmasterseminar.com,www.webmasterseminar.com');
define('RECIPIENT', 'info@webmasterseminar.com');
define('SUBJECT', 'Info Request - WebmasterSeminar.com');
define('REDIRECT_BAD_REFERER', 'http://webmasterseminar.com/error.html');
define('REDIRECT_SUCCESS', 'http://webmasterseminar.com/thank_you.html');
define('NL', "\n");

//~~~~~~~~~~~~~~~~
// Start session  
//                
session_start();

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// The mail will only be send if:                                             
// - submit was set                                                           
// - email was set                                                            
// - message was set                                                          
// - session variable "x" was set                                             
// - email is not empty                                                       
// - message is not empty                                                     
// - session variable "x" matches "spam"                                
// Otherwise an error message will be set and displayed on the contact page.  
//                                                                            
if (isset($_POST['submit']) &&
    isset($_POST['email']) &&
    isset($_POST['message']) &&
    isset($_SESSION['x']) &&
    trim($_POST['email']) != '' &&
    trim($_POST['message']) != '' &&
    $_SESSION['x'] == 'spam') {
  // wait one second to avoid flodding
  sleep(1); 
  //~~~~~~~~~~~~~~~~~~~~~~
  // Check if POST came   
  // from allowed domain  
  //                      
  $bad_referer = true;
  $referer = $_SERVER['HTTP_REFERER'];
  $allowed_domains = explode(',', ALLOWED_DOMAINS);
  for ($i = 0; $i < sizeof($allowed_domains); $i++) {
    if (strtolower(substr($referer, 7, strlen($allowed_domains[$i]))) == 
	strtolower($allowed_domains[$i])){
      $bad_referer = false;
      break;
    } else {
      $bad_referer = true;
    }
  }
  if ($bad_referer === true) {
    print '<pre>';
    print_r($referer);
    print '</pre>';
    exit;
    header('Location: ' . REDIRECT_BAD_REFERER);
    exit;
  }
  //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  // Get POST data,                                       
  // submitted data is cut off at 150 characters for name and email,  
  // and 10000 characters for the message                
  //                                                      
  $firstname    = substr(trim($_POST['firstname']), 0, 150);
  $lastname     = substr(trim($_POST['lastname']), 0, 150);
  $messagesubject  = substr(trim($_POST['messagesubject']), 0, 350);
  $email        = substr(trim($_POST['email']), 0, 150);
  $message      = substr(trim($_POST['message']), 0, 10000);
  //~~~~~~~~~~~~
  // Send mail  
  //            
  $mail  = 'The following Message was sent to you from WebmasterSeminar.com:' . NL . NL;
  $mail .= ($firstname != '') ? 'First Name: ' . $firstname . NL : false;
  $mail .= ($lastname != '') ? 'Last Name: ' . $lastname . NL : false;
  $mail .= ($messagesubject != '') ? 'Message Subject: ' . $messagesubject . NL : false;
  $mail .= 'Email: ' . $email . NL . NL;
  $mail .= $message;
  $mail = str_replace("\r", '', $mail);
  mail(RECIPIENT, SUBJECT, $mail, 'From: ' . $email . NL . 
  'X-Mailer: WembasterSeminar.com Mail Robot' . NL);
  //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  // Redirect to REDIRECT_SUCCESS page  
  //                                    
  header('Location: ' . REDIRECT_SUCCESS);
  exit;
} else {
  //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  // Set session cookie as attempt to avoid  
  // automated spam scams                    
  //                                         
  $_SESSION['x'] = 'spam';
  if (isset($_POST['submit'])) {
    $error_message = 'Your email could not be send, 
	please fill in all required fields';
  }
}
?>

LINK TO THIS TUTORIAL:


Copy the code below and paste into your web page 
<a href="http://www.webmasterseminar.com/phpcontactformscript.php">
Webmaster Seminar</a><br />
PHP - Contact form script, feedback form script - free to use

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