What does the ++ before something in php means
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/1968371/understanding-incrementing">Understanding Incrementing</a><br>
  <a href="http://stackoverflow.com/questions/3737139/reference-what-does-this-symbol-mean-in-php">Reference - What does this symbol mean in PHP?</a>  </p>
</blockquote>



<p>What does the <code>++</code> means, I have seen this also in javascript</p>

<pre><code>$this-&gt;instance = ++self::$instances;
</code></pre>

<p>Best Regards</p>
