what is PATH in $_SERVER?
<p>What is PATH defined in $_SERVER?</p>

<p>I didn't see PATH defined in PHP.net manual. It says PATH_TRANSLATED and PATH_INFO only.</p>

<p>I got following detail in print_r($_SERVER).</p>

<pre><code>[PATH] =&gt; /sbin:/usr/sbin:/bin:/usr/bin 
</code></pre>
