title: I cannot introduce a variable in midle of my function
body: <p><strong>How can I make this work?</strong></p>
  
  <pre><code>mkdir("../USERS/" . $userIDforDir . "/PAGES")
  </code></pre>
  
  <p>Thanks.</p>
  
  <p>The variable is:</p>
  
  <pre><code>$userIDforDir=$_SESSION['userID'];
  </code></pre>
  
  <p>And this is the error:</p>
  
  <blockquote>
    <p>Warning: mkdir(): No such file or directory in
    C:\wamp\www\WIKILOAD\makePage\index.php on line 33</p>
  </blockquote>