Posted by Alan Little on 05/11/06 14:06

Carved in mystic runes upon the very living rock, the last words of Tim
Van Wassenhove of comp.lang.php make plain:

> On 2006-05-10, Alan Little <alan@n-o-s-p-a-m-phorm.com> wrote:
>> I love the __FILE__ constant; it's been enormously useful. Is there a
>> constant that would be the equivalent of $PHP_SELF? That's also a
>> useful value, but according to the docs, "...may or may not [exist]
>> in $_SERVER." In a distributed app, may or may not doesn't fly. I'm
>> surprised, if there isn't a reliable way to retrieve this value.
>
> Why would you want the value? I still have to see my first good reason
> to use it ;)

It allows a script to find out where it's installed (which can also be
done with __FILE__ of course), and for an included file or a function to
know where it's being called from.

> (In case you want to redirect a user to the same place
> where he came from after a form submit, using '#' as value for the
> action is as good and it doesn't has the potential security issues as
> $_SERVER['PHP_SELF'] has...)

Another great reason for it to be a constant, like __FILE__.

--
Alan Little
Phorm PHP Form Processor
http://www.phorm.com/

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