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Passing PHP Variables in a URL

Posted by horwem (horwem), 8 June 2004

Having trouble pasing variables using a url.

The code is

<a href="temp.php?bg=hello">test</a>

and the temp.php code


echo $_GET['bg'];

The code runs but nother is shown on the screen, I am running php using IIS.

Can anybody help


Posted by admin (Graham Ellis), 8 June 2004
Your code looks fine .. but are you actually sure you're running PHP?  It could be that IIS is just serving out the page as HTML.   Try viewing the source on your browser and if you see the PHP, then you'll know that's the problem.

It could also be that your server is set up to need <?php rather than just <? to start your PHP program section.

Posted by horwem (horwem), 8 June 2004
Got it to work by change the temp.php code to

echo $bg;

Thanks for all the help

Posted by admin (Graham Ellis), 8 June 2004
Glad it's fixed.

For anyone else who has a similar problem and wonders about the solution, the $_GET array was introduced at PHP 4.1 as an additional and safer way to get information from forms, and as from 4.2 $_GET (and other similar arrays) became the only default way to get information from forms.

Prior to PHP 4.1, form information appeared in programs in regular variables, and this is what has worked for horwem.  It would seem, then that horwen has a relatively old version of PHP.

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