title: isset function doesn't work on my form and form is nod getting submitted
body: <p>I am submitting form to page and checking if submit button value InsertMe isset but non of the code inside is executed</p>
  
  <pre><code>&lt;?php 
  if (isset($_POST['InsertMe'])){
  
  //code to execute
  echo "Test";
  
  }
  ?&gt;
  </code></pre>
  
  <p>and insert buttons looks like that</p>
  
  <pre><code>&lt;input style="float:right;" name="InsertMe" id="InsertMe" type="submit" class="rectangular-button" value="Add User" /&gt;
  </code></pre>