Re: Re: undefined $_GET index.

On Tue, Dec 24, 2013 at 6:55 PM, Aziz Saleh <azizsaleh@gmail.com> wrote: > On Tue, Dec 24, 2013 at 9:51 PM, atar <atar.yosef@gmail.com> wrote: > > > At Christoph Michael Becker: > > > > Thanks you for your advice! it solved the problem. > > But I didn't succeed to understand HOW the action of dropping the script > > argument from the command line was worked? why does PHP complain about > the > > undefined $_GET['r'] variable when the test.php script is used as router? > > > > Regards, > > > > atar. > > > > > > -- > > PHP General Mailing List (http://www.php.net/) > > To unsubscribe, visit: http://www.php.net/unsub.php > > > > > In PHP, when you try to access a variable and that variable doesn't exist, > it throws a notice. In your case the router.php was executed with no r GET > param, causing the notice. > > You can duplicate that by accessing: > http://127.0.0.1:8000/test.php(notice > the r GET param is not set). > > As a good practice you should always use isset() before trying to access a > param that might not be set: > > if (isset($_GET['r'])) { > // use it > } > Oops, Aziz scooped me on this one!