<?php
        //If the user has submitted the form
        if(isset($_POST['submit'])){
                        //for connecting to MySql DB
            require "./connect.php";
            //protect and then add the posted data to variables

            $email = mysql_real_escape_string($_POST['email']);
            $subject = mysql_real_escape_string($_POST['subject']);
            $message = mysql_real_escape_string($_POST['message']);

            if(!$email || !$message){
                //if any weren't display the error message
                echo "<div class='alert alert-block alert-error'>
                         <a class='close' data-dismiss='alert' href='#'>X</a>
                         <h4 class='alert-heading'>Error!</h4>
                          You need to fill in at least your email id and your message
                    </div>";

            }else{

                        $checkemail = "/^[a-z0-9]+([_\\.-][a-z0-9]+)*@([a-z0-9]+([\.-][a-z0-9]+)*)+\\.[a-z]{2,}$/i";

                        //check if the formats match
                        if(!preg_match($checkemail, $email)){
                            //if not display error message
                            echo "<div class='alert alert-block alert-error'>
                                 <a class='close' data-dismiss='alert' href='#'>X</a>
                                 <h4 class='alert-heading'>Error!</h4>
                                  <b>E-mail</b> is not valid, must be something@server.com!
                            </div>";

                        }else{
                                $adminemail = "myadmin@adminserver.com"; // THIS is the admin mail ID on which the message will go saying that this guy has has contacted you with this message
                                mail($adminemail,"Contact us mail from ".$email , "This guy ---> ".$email.",\n\nhas mailed you with the subject =".$subject.",\n\nand here is the message =".$message, 'From: noreply@adminsomething.com');

                                //display the success message
                                echo "<div class='alert alert-block alert-success'>
                                         <a class='close' data-dismiss='alert' href='#'>X</a>
                                         <h4 class='alert-heading'>Message Sent Successfully</h4>
                                         Thanks for contacting us.We will get back to you soon..
                                     </div>";
                                        session_destroy();
                                    }
                                }
                            }

        ?>