[SOLVED] Very simple php query - I'm tearing my hair out!

[BertUK]

Hi,

 

I've coded quite a lot of php before (last year), but this is so simple there must be something wrong.

 

I have recently created a new website, scripting is enabled, and I've uploaded a file called test2.php, contents as follows :-

 

<?php

 

if(isset($p)) {

echo("Hello");

}

 

?>

 

If I visit http//www.<mysite>.com/test2.php?p=1, I get nothing!  Just a blank page.

 

If I modify the code to remove the 'if' statement (i.e just an echo, that works fine).

 

What the hell could be wrong!!?  Am I being stupid?

 

Any help appreciated.

 

Thanks,

 

Rob

 

[Leppy]

Sounds like you do not have register global on, try to use $_REQUEST['p'] or $_GET['p'].

[Yesideez]

To read parameters from the URL you'd need to insert this:

$p=$_GET['p'];

Insert that just before isset()

 

Not stupidity - I've been programming PHP regularly for about 3.5 years and you want to see some of the most crazy and rediculous mistakes I still make

[Yesideez]

Just for information:

 

$_GET is for reading parameters off the URL. Data from forms using "get" as the method append the data to the URL.

 

$_POST is for reading data packets from forms using method "post"

 

$_REQUEST uses both the above methods and additionally is also for reading from cookies

[BertUK]

aaah! "register_globals"!

 

Now I remember!  The website I created last year had register_globals on but this one obviously doesn't

 

Thanks for the fast response guys