Strange PHP error on Form Processing Code

programming
1

I’m scratching my head trying to figure out why this simple code won’t work (it’s a reduced version of code I’ve used many times successfully).

Originally I just got a blank page, but no email was sent, and the page does not redirect as specified in the code. Now I see:

**Notice**:  Use of undefined constant php - assumed 'php' in **. . . ** on line **1**
<?php // Is data coming from our own form? // "===" compares the values to each other, and checks the type of the variable if (stristr($_SERVER['HTTP_REFERER'], 'splash_form.html') === FALSE) { die('No direct script access permitted'); } else { // Does page referrer (incorrectly spelled 'referer' in the HTTP spec and in PHP) exist on the same web site as this script? // The seven characters allow for the prefix "http://". That prevents someone from using a directory on their own site with the name of your domain if (strpos($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'])>7 || !strpos($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'])) { die("Bad referer"); } else { if(!empty($_POST['extrainput'])) { die("Hello Spambot!"); } else { /// *** Get database connection info //include '../../includes/connect.php'; /// *** Final check: no empty required fields if(!empty($_POST['first_name']) || !empty($_POST['last_name']) || !empty($_POST['email'])) { // *** Create PHP variables for special uses $message_subject = "Sign-Up"; $email = $_POST['email']; /// *** Build the e-mail $emailTo = 'pherank@testserver.com'; $subject = $message_subject; $headers = 'From: website form <'.$emailTo.'>' . " " . 'Reply-To: ' . $email; // *** Add form values to e-mail message $message.= " "; $message.=stripslashes($_POST['first_name']) . " " . stripslashes($_POST['last_name']) . " "; $message.="E-mail: " . stripslashes($_POST['email']) . " "; // *** Send an e-mail using PHPs mail() function mail($emailTo, $subject, $message, $headers); // *** Redirect after form is successfully submitted header("Location: thankyou.html"); exit(); } } } } ?> 


Thanks for your help.