1forh/form.html

## form.html
<div id="form-messages"></div>
<form action="mailer.php" method="POST" id="ajax-contact" class="contact-form">

  <p>All fields are required.</p>

  <label for="name">
    Full Name
    <input type="text" name="name" id="name" required>
  </label>

  <label for="email">
    Email Address
    <input type="email" name="email" id="email" required>
  </label>

  <label for="message">
    Message
    <textarea name="message" id="message" required></textarea>
  </label>

  <input type="submit" name="submit" value="Submit" id="submit" class="button">
</form>

## mailer.js
$(function() {
  'use strict';

  var form = $('#ajax-contact');
  var formMessages = $('#form-messages');

  // Set up an event listener for the contact form.
  $(form).submit(function(event) {

    // Stop the browser from submitting the form.
    event.preventDefault();

    var formData = $(form).serialize();

    $.ajax({
      type: 'POST', // specifies the HTTP method that will be used for the request
      url: $(form).attr('action'), // location of the script that the form data will be sent to
      data: formData
    })

    .success(function(response) {
      // Make sure that the formMessages div has the 'success' class.
      $(formMessages).removeClass('error');
      $(formMessages).addClass('success');

      // Set the message text.
      $(formMessages).text(response);

      // Clear the form.
      $('#name').val('');
      $('#email').val('');
      $('#message').val('');

      ga('send', 'pageview', '/thank-you.html');
    })

    .fail(function(data) {
      // Make sure that the formMessages div has the 'error' class.
      $(formMessages).removeClass('success');
      $(formMessages).addClass('error');

      // Set the message text.
      if (data.responseText !== '') {
          $(formMessages).text(data.responseText);
      } else {
          $(formMessages).text('Oops! An error occured and your message could not be sent.');
      }
    });
  });
});

## mailer.php
<?php
  if ($_SERVER["REQUEST_METHOD"] == "POST") {
    $subject = "Message from contact form on http://projects.zacharyminner.com/php-form";
    $sendto = "someemail@gmail.com";
    // $carbonCopy = "someotheremail@gmail.com";

    //Do not edit below this line//
    $name = strip_tags($_POST["name"]);
    $email = filter_var(trim($_POST["email"]), FILTER_SANITIZE_EMAIL);
    $message = strip_tags($_POST["message"]);

    // Check that data was sent to the mailer.
    if ( empty($name) OR empty($email) OR empty($message) ) {
      // Set a 400 (bad request) response code and exit.
      http_response_code(400);
      echo "Oops! There was a problem with your submission. Please complete the form and try again.";
      exit;
    } else if ( !filter_var($email, FILTER_VALIDATE_EMAIL) ) {
      // Set a 400 (bad request) response code and exit.
      http_response_code(400);
      echo "Oops! Please enter a valid email address and submit the form again.";
      exit;
    }

    $headers = "From: " . $email . "\r\n";
    $headers .= "Reply-To: ". $email . "\r\n";
    // $headers .= "CC: " . $carbonCopy . "\r\n";
    $headers .= "MIME-Version: 1.0\r\n";
    $headers .= "Content-Type: text/html; charset=ISO-8859-1\r\n";

    $emailContents = "<html><body>";
    $emailContents .= "<p>Full Name: " . $name . "</p>";
    $emailContents .= "<p>Email Address: " . $email . "</p>";
    $emailContents .= "<p>Message: " . $message . "</p>";
    $emailContents .= "</body></html>";

    $send = mail($sendto, $subject, $emailContents, $headers);

    if ($send) {
      http_response_code(200);
      echo "Your message has been sent.\r\n";
    } else {
      // Set a 500 (internal server error) response code.
      http_response_code(500);
      echo "There was a problem sending the email.\r\n";
    }
  } else {
    // Not a POST request, set a 403 (forbidden) response code.
    http_response_code(403);
    echo "There was a problem with your submission, please try again.";
  }
	<div id="form-messages"></div>
	<form action="mailer.php" method="POST" id="ajax-contact" class="contact-form">

	<p>All fields are required.</p>

	<label for="name">
	Full Name
	<input type="text" name="name" id="name" required>
	</label>

	<label for="email">
	Email Address
	<input type="email" name="email" id="email" required>
	</label>

	<label for="message">
	Message
	<textarea name="message" id="message" required></textarea>
	</label>

	<input type="submit" name="submit" value="Submit" id="submit" class="button">
	</form>
	$(function() {
	'use strict';

	var form = $('#ajax-contact');
	var formMessages = $('#form-messages');

	// Set up an event listener for the contact form.
	$(form).submit(function(event) {

	// Stop the browser from submitting the form.
	event.preventDefault();

	var formData = $(form).serialize();

	$.ajax({
	type: 'POST', // specifies the HTTP method that will be used for the request
	url: $(form).attr('action'), // location of the script that the form data will be sent to
	data: formData
	})

	.success(function(response) {
	// Make sure that the formMessages div has the 'success' class.
	$(formMessages).removeClass('error');
	$(formMessages).addClass('success');

	// Set the message text.
	$(formMessages).text(response);

	// Clear the form.
	$('#name').val('');
	$('#email').val('');
	$('#message').val('');

	ga('send', 'pageview', '/thank-you.html');
	})

	.fail(function(data) {
	// Make sure that the formMessages div has the 'error' class.
	$(formMessages).removeClass('success');
	$(formMessages).addClass('error');

	// Set the message text.
	if (data.responseText !== '') {
	$(formMessages).text(data.responseText);
	} else {
	$(formMessages).text('Oops! An error occured and your message could not be sent.');
	}
	});
	});
	});
	<?php
	if ($_SERVER["REQUEST_METHOD"] == "POST") {
	$subject = "Message from contact form on http://projects.zacharyminner.com/php-form";
	$sendto = "someemail@gmail.com";
	// $carbonCopy = "someotheremail@gmail.com";

	//Do not edit below this line//
	$name = strip_tags($_POST["name"]);
	$email = filter_var(trim($_POST["email"]), FILTER_SANITIZE_EMAIL);
	$message = strip_tags($_POST["message"]);

	// Check that data was sent to the mailer.
	if ( empty($name) OR empty($email) OR empty($message) ) {
	// Set a 400 (bad request) response code and exit.
	http_response_code(400);
	echo "Oops! There was a problem with your submission. Please complete the form and try again.";
	exit;
	} else if ( !filter_var($email, FILTER_VALIDATE_EMAIL) ) {
	// Set a 400 (bad request) response code and exit.
	http_response_code(400);
	echo "Oops! Please enter a valid email address and submit the form again.";
	exit;
	}

	$headers = "From: " . $email . "\r\n";
	$headers .= "Reply-To: ". $email . "\r\n";
	// $headers .= "CC: " . $carbonCopy . "\r\n";
	$headers .= "MIME-Version: 1.0\r\n";
	$headers .= "Content-Type: text/html; charset=ISO-8859-1\r\n";

	$emailContents = "<html><body>";
	$emailContents .= "<p>Full Name: " . $name . "</p>";
	$emailContents .= "<p>Email Address: " . $email . "</p>";
	$emailContents .= "<p>Message: " . $message . "</p>";
	$emailContents .= "</body></html>";

	$send = mail($sendto, $subject, $emailContents, $headers);

	if ($send) {
	http_response_code(200);
	echo "Your message has been sent.\r\n";
	} else {
	// Set a 500 (internal server error) response code.
	http_response_code(500);
	echo "There was a problem sending the email.\r\n";
	}
	} else {
	// Not a POST request, set a 403 (forbidden) response code.
	http_response_code(403);
	echo "There was a problem with your submission, please try again.";
	}