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Posted by Bostjan Skufca @ domenca.com on 02/13/05 20:50
$_GET[section] is slower than $_GET['section'], and quite significantly!
B.
On Saturday 12 February 2005 14:16, Jacco Ermers wrote:
> "Marek Kilimajer" <lists@kilimajer.net> wrote in message
> news:420DFEA3.1030702@kilimajer.net...
>
> > Jacco Ermers wrote:
> >> Hello everyone,
> >>
> >> I recently installed php5 onto my windows IIS. Previous I had php
> >> running on Apache. I coded a page (testing purposes) but now I get
> >> errors. the page can be viewed on a remote server (without the errors)
> >> http://seabird.jmtech.ca
> >>
> >> Locally I receive these errors:
> >>
> >> Undefined index: section in
> >> C:\Inetpub\wwwroot\Seabird-local\includes\submenu.php on line 3
> >>
> >> if($_GET['section']=='') etc.
> >> It used to be that I could use a section == ''
> >> is it new to php5 that I cannot? and I also used to be able to use
> >> $_GET[section] and now I have to use $_GET['section']
> >>
> >> did I overlook anything configuring my php.ini or is this due to my new
> >> enviroment?
> >>
> >> Thank you for helping
> >
> > This is due to different setting in error reporting, now you have also
> > E_NOTICE turned on.
> >
> > if($_GET['section']=='')
> >
> > should be coded as:
> >
> > if(empty($_GET['section']))
> >
> > If GET variable 'section' is not sent, it is not equal to '', it does not
> > even exists, is undefined. Using it triggers error of level E_NOTICE.
> >
> > If you write
> >
> > $_GET[section]
> >
> > php is looking for constant named 'section'. However, it does not exists,
> > so an error of level E_NOTICE is triggered. Undefined constant is then
> > converted to string with its name. So you get $_GET['section'] in the
> > end.
> >
> > It's a good practice have full error reporting turned on, since this will
> > help you spot errors and write safer code.
>
> Thank you, that did the trick. Now it works without problems.
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