title: php mkdir creates a folder with lock icon
body: <p>I tried to make a new directory with <code>mkdir()</code>, but the folder I made has a little lock icon on top of it. I tried to delete it manually, it doesn't allow me, saving I have no permission to delete it.</p>
  
  <p>What may I do now? My operating system is Ubuntu</p>
  
  <p>My PHP code is:</p>
  
  <pre><code>mkdir("foldername", 0777, true);
  </code></pre>