contact.php

<?php
include 'config.php';

error_reporting (E_ALL ^ E_NOTICE);

$post = (!empty($_POST)) ? true : false;

if ($post) {
  $name = stripslashes($_POST['name']);
  $email = trim($_POST['email']);
  $subject = stripslashes($_POST['subject']);
  $message = stripslashes($_POST['message']);

  $error = '';

  if (!$error) {
    $mail = mail(WEBMASTER_EMAIL, $subject, $message,
      "From: ".$name." <".$email.">\r\n"
        ."Reply-To: ".$email."\r\n"
        ."X-Mailer: PHP/" . phpversion());

    if ($mail) {
      header("Location: ../index.php?success#contact");
    }
  }
}