Learn how to convert my remark.html to remark.php

<div class="mvrls-comment">
        <h2>Go away a Remark</h2>
        <type class="comment-form">
            <enter kind="textual content" placeholder="Identify">
            <enter kind="electronic mail" placeholder="E mail">
            <enter kind="textual content" placeholder="Web site">
            <textarea rows="10" placeholder="Write Your Remark"></textarea>
            <button kind="submit">Put up Remark</button>
        </type>
    </div>