title: Form php action not working
body: <p>This is a form with php action</p>
  
  <pre><code>&lt;?php
  if(isset($_POST['submit'])) 
  { 
    die('working');
  
  }
  ?&gt;
  &lt;form id="msform" action="&lt;?php echo $_SERVER['PHP_SELF'];?&gt;" method="post"&gt;
  &lt;fieldset style="opacity: 1; -webkit-transform: scale(1); display: block;"&gt;
      &lt;input type="button" name="next" class="next action-button" value="Next"/&gt;
  &lt;/fieldset&gt;
  &lt;fieldset style="display: none; left: 50%; opacity: 0;"&gt;
      &lt;input type="button" name="previous" class="previous action-button" value="Previous"/&gt;
      &lt;input type="button" name="next" class="next action-button" value="Next"/&gt;
  &lt;/fieldset&gt;
  &lt;fieldset&gt;
      &lt;input type="submit" name="submit" class="submit action-button" value="Submit"/&gt;
  &lt;/fieldset&gt;
  &lt;/form&gt;
  </code></pre>
  
  <p>The problem is that it when I click submit button nothing happens at all.</p>
  
  <p>Thanks advance.</p>