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Posted by Robert Cummings on 10/21/17 11:33
On Wed, 2005-11-30 at 11:48, tg-php@gryffyndevelopment.com wrote:
> What to do next? I'd check to see if your page is being inadvertantly called twice (I've seen this happen when people used frames.. or like someone else mentioned, doing a double include() or sometimes redirecting back to itself via header())... anything that could possibly re-initiate the page, check into.
>
> Failing that, do it old school... just inserted die() statements to break execution at various points and see where the probably first starts occuring and focus in that area. Crude but it works. At least helps narrow down where the problem could be.
>
> It doesn't do something silly like include() itself inside a conditional somewhere does it?
>
> You might also echo/var_dump/print_r/whatever some of your key variables (especially input variables like $_GET/$_POST/etc and variables used in conditionals) and try to isolate what combination causes your problem. Since it doesn't do it all the time, I'd guess you could have something like:
>
> $x = 4;
>
> if ($x > 1) {
> include('someinclude.inc');
> }
>
> if ($x < 5) {
> include('someinclude.inc');
> }
Which reminds me... make sure your using include() where appropriate,
and include_once() where appropriate. Obviously include_once() should
ALWAYS be used when the source contains function or class definitions.
Cheers,
Rob
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