<?php

        function post_captcha($user_response) {
            $fields_string = '';
            $fields = array(
                'secret' => 'secret',
                'response' => $user_response
            );
            foreach($fields as $key=>$value)
            $fields_string .= $key . '=' . $value . '&';
            $fields_string = rtrim($fields_string, '&');

            $ch = curl_init();
            curl_setopt($ch, CURLOPT_URL, 'https://www.google.com/recaptcha/api/siteverify');
            curl_setopt($ch, CURLOPT_POST, count($fields));
            curl_setopt($ch, CURLOPT_POSTFIELDS, $fields_string);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, True);

            $result = curl_exec($ch);
            curl_close($ch);

            return json_decode($result, true);
        }

        $res = post_captcha($_POST['g-recaptcha-response']);

            $name_error = $email_error = "";
            $name = $email = $message = $sent = "";

            if (isset($_POST['submit']) AND (!$res['success'])) {
                // What happens when the CAPTCHA wasn't checked
                echo '<p>Please go back and make sure you check the security CAPTCHA box.</p><br>';

            } else if ($_SERVER["REQUEST_METHOD"] == "POST") {

            if (empty($_POST["name1"])) {

                $name_error = "Name is required";


            } else {

                $name = test_input($_POST["name1"]);
            // check if name only contains letters and whitespace

                if (!preg_match("/^[a-zA-Z ]*$/",$name)) {
                $name_error = "Only letters and white space allowed";
            }
            }

            if (empty($_POST["email"])) {

                $email_error = "Email is required";


            } else {

                $email = test_input($_POST["email"]);
                // check if e-mail address is well-formed
                if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
                    $email_error = "Invalid email format";
                }
            }

            if (empty($_POST["message"])) {

                $message = "";


            } else {

                $message = test_input($_POST["message"]);


            }

            if ($name_error == '' and $email_error == '' ){

                $message_body = '';

                unset($_POST['submit']);

                foreach ($_POST as $key => $value){

                    $message_body .=  "$key: $valuen";


                }


            $email = $_POST['email'];
            $to = '[email protected]';
            $subject = 'Contact Form Submit';
            $headers = 'From:' . $email . "n" . 'Reply-to: ' . $email . "n"  ;
            if (mail($to, $subject, $message, $headers)) {
                $sent = "Message sent";
                $name = $email = $message = '';
            }
        }
            }
            function test_input($data) {
            $data = trim($data);
            $data = stripslashes($data);
            $data = htmlspecialchars($data);
            return $data;
            }
            ?>

<div class="grey">
            <div class="container-contact">
                <form id="contact" method="post">
                    <div id="column-contact-left">
                    <div class='contact-logo'></div>
                    <h3>Contact the Devon Food Movement</h3>
                    <fieldset id="field-no-ui">
                        <input placeholder="Your name" type="text" tabindex="1" name="name1" value="<?= $name ?>" >

                    </fieldset>
                    <span class="error"><?= $name_error ?></span>
                    <fieldset id="field-no-ui">
                        <input placeholder="Your Email Address" type="text" name="email" value="<?= $email ?>" tabindex="2" >

                    </fieldset>
                    <span class="error"><?= $email_error ?></span>
                    </div>
                    <div id="column-contact-right">
                    <fieldset id="field-no-ui">
                        <textarea id="field-no-ui" placeholder="Type your Message Here...." name="message" value="<?= $message ?>" tabindex="3" ></textarea>
                    </fieldset>
                    <div class="g-recaptcha" data-sitekey="6LfJtkcUAAAAAE_7Ob_7BVMkaZMXX-dH-V6uqjCn" ></div>
                    <span class="success"><?= $sent; ?></span>
                    <fieldset id="field-no-ui">
                        <button name="submit" type="submit" id="contact-submit" data-submit="...Sending">Submit</button>
                    </fieldset>
                    </div>
                </form>
            </div>
    </div>