title: How can I add a time stamp to a file name uploaded with $_File before the file extension
body: <p>I have the following code </p>
  
  <pre><code>$image_path = $_FILES["p_image"]["name"].time();
  </code></pre>
  
  <p>it names the file <code>image02.jpg1335279888</code></p>
  
  <p>but i want it to be named <code>image02_1335279888.jpg</code></p>
  
  <p>How can I achieve that?</p>