2 <head><title>PHP Mail Sender</title></head>
6 /* All form fields are automatically passed to the PHP script through the array $HTTP_POST_VARS. */
7 $email = $HTTP_POST_VARS['email'];
8 $subject = $HTTP_POST_VARS['subject'];
9 $message = $HTTP_POST_VARS['message'];
11 /* PHP form validation: the script checks that the Email field contains a valid email address and the Subject field isn't empty. preg_match performs a regular expression match. It's a very powerful PHP function to validate form fields and other strings - see PHP manual for details. */
12 if (!preg_match("/\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/", $email)) {
13 echo "<h4>Invalid email address</h4>";
14 echo "<a href='javascript:history.back(1);'>Back</a>";
15 } elseif ($subject == "") {
16 echo "<h4>No subject</h4>";
17 echo "<a href='javascript:history.back(1);'>Back</a>";
20 /* Sends the mail and outputs the "Thank you" string if the mail is successfully sent, or the error string otherwise. */
21 elseif (mail($email,$subject,$message)) {
22 echo "<h4>Thank you for sending email</h4>";
24 echo "<h4>Can't send email to $email</h4>";