title: how to check multiple $_POST variable for existence using isset()?
body: <p>I need to check if <code>$_POST</code> variables exist using single statement isset.</p>
  
  <pre><code>if (isset$_POST['name']  &amp;&amp;  isset$_POST['number']  &amp;&amp;  isset$_POST['address']  &amp;&amp;  etc ....)
  </code></pre>
  
  <p>is there any easy way to achieve this?</p>