title: PHP5 $_FILES[][] notice error - Undefined
body: <p>I am trying to upload a file to my server using php5 script. And I am receiving an notice error <code>Undefined index: qqfile</code>. </p>
  
  <pre><code>$_FILES['qqfile']['tmp_name']
  </code></pre>
  
  <p>But I don't know how it is not defined from the previous script. The "tmp_name" is there in the array, but qqfile is showing UnDefined... </p>