title: php isset($_post) is not working?
body: <p>I am working with this issue since last few hours and also searched the related questions on stack overflow. I have a simple html form</p>
  
  <pre><code>&lt;form name="user_verification" action="action.php" method="POST"&gt;
   Name: &lt;input type="text" name="name"&gt;&lt;br&gt;
  E-mail: &lt;input type="text" name="email"&gt;&lt;br&gt;
  &lt;input type="submit" name="submit" value="submit"&gt;
  &lt;/form&gt;
  </code></pre>
  
  <p>and here is the php script in action.php file</p>
  
  <pre><code>if(isset($_POST['submit'])) 
  {
  echo 'yes';
  }else{
  echo 'no';
  }
  </code></pre>
  
  <p>It always display "no". I tested my php script using this</p>
  
  <pre><code> if(1==1) 
      {
      echo 'yes';
      }else{
      echo 'no';
      }
  </code></pre>
  
  <p>In this case, it displays "yes". This means that problem is with isset($_POST['submit']) function but I can't find out the solution. please help in this regard. thanks</p>