Re: questions about $_SERVER
| From: | Daniel Brown | Date: | Sun, 11 Mar 2012 14:25:13 +0000 |
| Subject: | Re: questions about $_SERVER | ||
| References: | 1 2 3 4 5 6 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-316982@lists.php.net to get a copy of this message | ||
On Sat, Mar 10, 2012 at 10:37, Tedd Sperling <tedd.sperling@gmail.com> wrote:
> As such, there are no "globals" in PHP other than SuperGlobals. As I said, if
> I'm wrong, please show me otherwise.
A superglobal is predefined at run-time by the parser,
environment, SAPI, etc. (_SERVER, _POST, _GET, _REQUEST, _ENV,
_SESSION, _COOKIE), whereas a global can be defined at any time, and
is available to the current instance. All superglobals are globals,
but not all globals are superglobals.
--
</Daniel P. Brown>
Network Infrastructure Manager
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