title: What does the dot-slash do to PHP include calls?
body: <p>A. What does this do?</p>
  
  <pre><code>require ("./file.php");
  </code></pre>
  
  <p>B. in comparison to this?</p>
  
  <pre><code>require ("file.php");
  </code></pre>
  
  <hr>
  
  <p>(Its <strong>not</strong> up-one-directory.. which would be)</p>
  
  <pre><code>require ("../file.php");
  </code></pre>