What does "EGPCS" mean in PHP?
<p>I found the following code in <code>php.ini</code>. what does that mean?</p>

<p>And "PHP registers" -- what is that?</p>

<pre>
; This directive describes the order in which PHP registers GET, POST, Cookie,
; Environment and Built-in variables (G, P, C, E & S respectively, often
; referred to as EGPCS or GPC).  Registration is done from left to right, newer
; values override older values.
variables_order = "EGPCS"
</pre>
