This is for commercial purposes. It's not going to a database, but will just be emailed to a person via phpMailer.I am not good at PHP (truly awful). I'd like to know whether this is good enough for going production or not.<?phpsession_start(); //allows use of session variablesif ($_SERVER[REQUEST_METHOD] == POST && !empty($_SESSION['token']) && $_SESSION['token'] == $_POST['token']) {      $token = md5(uniqid(mt_rand(), true));      $_SESSION['token'] = $token;      $_SESSION['token_time'] = time();   if (empty($_POST[first-name])) {     $firstNameErr = First name is required;   } else {     $first_name = test_input($_POST[first-name]);   }    if (empty($_POST[last-name])) {     $lastNameErr = Last name is required;   } else {     $last_name = test_input($_POST[last-name]);   }   if (empty($_POST[email])) {     $emailErr = Email is required;   } else {     $email = test_input($_POST[email]);   }   if (empty($_POST[message])) {     $messageErr = Message is required;   } else {     $message = test_input($_POST[message]);   }   if(isset($first_name) && isset($last_name) && isset($email) && isset($message))   {     $_SESSION['first_name'] = $first_name;     $_SESSION['last_name'] = $last_name;     $_SESSION['email'] = $email;     $_SESSION['message'] = $message;     header(Location: contact9SessionsCRSF2.php);     exit;    }}else {  $token = md5(uniqid(mt_rand(), true));  $_SESSION['token'] = $token;  $_SESSION['token_time'] = time();}function test_input($data) {   $data = trim($data);   $data = stripslashes($data);   $data = htmlspecialchars($data);   return $data;}?>  <nav class=navbar navbar-default navbar-fixed-top>  <div class=container-fluid>    <!-- Brand and toggle get grouped for better mobile display -->    <div class=navbar-header>      <button type=button class=navbar-toggle collapsed data-toggle=collapse data-target=#bs-example-navbar-collapse-1 aria-expanded=false>        <span class=sr-only>Toggle navigation</span>        <span class=icon-bar></span>        <span class=icon-bar></span>        <span class=icon-bar></span>      </button>      <a class=navbar-brand href=index.html>New Daimaru Hotel<small id=address_of_hotel>345 E 1st Street Los Angeles, CA 90012</small></a>    </div>    <!-- Collect the nav links, forms, and other content for toggling -->    <div class=collapse navbar-collapse id=bs-example-navbar-collapse-1>      <ul class=nav navbar-nav navbar-right>        <li><a href=about.html>About</a></li>        <li><a href=rooms.html>Rooms & information</a></li>        <li><a href=reserve.php>Book to Reserve</a></li>        <li><a href=location.html>Location Info</a></li>        <li><a href=additional.html>Additional Info</a></li>        <li><a href=contact.php>Contact</a></li>      </ul>    </div><!-- /.navbar-collapse -->    <ul class=nav navbar-nav navbar-right>        <p class=pull-right language_choice_english><a href=contact.php>English</a></p>        <p class=pull-right language_choice_japanese><a href=contact-ja.php>Japanese</a></p>    </ul>  </div><!-- /.container-fluid --></nav><div id=main-container class=col-xs-12>  <form class=form-horizontal  method=post action=<?php echo htmlspecialchars($_SERVER[PHP_SELF]);?>>  <input type=hidden name=token value=<?php echo $token; ?> />    <div class=form-group>      <label class=col-sm-2 control-label>First Name</label>      <div class=col-sm-10>      <input class=form-control name=first-name id=first-name placeholder=First Name type=text value=<?php if(isset($first_name)) { echo $first_name; }?>>       <?php if(isset($firstNameErr)) print ('<span class=error>* ' . $firstNameErr . '</span>'); ?>      </div>    </div>    <div class=form-group>      <label class=col-sm-2 control-label>Last Name</label>      <div class=col-sm-10>      <input class=form-control name=last-name id=last-name placeholder=Last Name type=text value=<?php if(isset($last_name)) { echo $last_name; }?>>       <?php if(isset($lastNameErr)) print ('<span class=error>* ' . $lastNameErr . '</span>'); ?>     </div>    </div>      <div class=form-group>      <label class=col-sm-2 control-label>Email</label>      <div class=col-sm-10>      <input class=form-control name=email id=email placeholder=Email type=email value=<?php if(isset($email)) { echo $email; }?>>       <?php if(isset($emailErr)) print ('<span class=error>* ' . $emailErr . '</span>'); ?>      </div>    </div>    <div class=form-group>      <label class=col-sm-2 control-label>Message</label>      <div class=col-sm-10>      <textarea class=form-control rows=2 placeholder=Please type in your message name=message id=message value=<?php if(isset($message)) { echo $message; }?>></textarea>       <?php if(isset($messageErr)) print ('<span class=error>* ' . $messageErr . '</span>'); ?>      </div>    </div>    <div class=form-group>    <div class=col-sm-offset-2 col-sm-10>      <button type=submit class=btn btn-default>Submit</button>    </div>  </div></form>Here's the page that does the actual mailing: <?phpsession_start();$first_name = $_SESSION['first_name'];$last_name = $_SESSION['last_name'];$email = $_SESSION['email'];$message = nl2br($_SESSION['message']);require 'PHPMailerAutoload.php';$mail = new PHPMailer;//$mail->SMTPDebug = 3;                               // Enable verbose debug output$mail->isSMTP();                                      // Set mailer to use SMTP$mail->Host = 'hosting_info';  // Specify main and backup SMTP servers$mail->SMTPAuth = true;                               // Enable SMTP authentication$mail->Username = 'testy@URL.com';                 // SMTP username$mail->Password = 'ugh';                           // SMTP password$mail->SMTPSecure = 'tls';                            // Enable TLS encryption, `ssl` also accepted$mail->Port = 587; $mail->addReplyTo( $email, $first_name );$mail->addAddress( $email, $first_name );$mail->addAddress( 'my_email_address', 'Staff' );$mail->From = 'my_email_address';$mail->FromName = 'Staff';$mail->isHTML(true);                                  // Set email format to HTML$mail->Subject = 'Contact';$mail->Body    = <h1>First Name: $first_name</h1>                                    .<h1>Last Name: $last_name</h1>                                    .<h1>Email: $email</h1>                                    .<h1>Message $message</h1>; $mail->AltBody = 'To view the message, please use an HTML compatible email viewer!';if(!$mail->send()) {    header('location: URL/contactError.html');} else {    header('location: URL/contactResult2.html');}Contents of contactError.html are:<h1>Apologies, it seems that the email didn't get sent.</h1><h3>Please refill the form, and try again.</h3><h3>Thank you!</h3>Contents of contactResult2.html are:  <h4 class=typl8-gamma centered>Contact Form Emailed</h4>  <h1 class=typl8-delta centered>Thank you for contacting us.</h1>  <h3 class=typl8-delta centered>You will hear from us shortly</h3>
Basic contact form
php;beginner;html;form