Does PHP $_POST/$_GET/$_REQUEST work when script is used as CSS?

Question

If I were to use a PHP script for dynamic CSS (as in, not only writing to the CSS stylesheet, but called by the link line in place of a stylesheet), would $_REQUEST or any similar functions work? I'm having issues and it seems like that's the closest reason why my script keeps malfunctioning - it can do an SQL query perfectly fine when the query is whole and assigned to a variable, but when I attempt to call in a script that uses $_REQUEST and builds a query that way, it fails (despite working perfectly when called in other non-CSS-related scripts).

EDIT: Ok, I've just figured out the main issue. It seems that $_GET works for the link tag, i.e., "href='image.php?page=index'".

However, I want to be able to use $_REQUEST to get something from the URL, like how it is used in non-CSS-related scripts. Is there any way for me to do this?

not sure what you are saying, but obviously you can use a $_GET in your css/php script — Ibu
– Ibu, Commented Jul 25, 2011 at 0:09
Yes, it should work - check your webserver setup, make sure any redirect you might be using preserves query strings if using GET. — Orbling
– Orbling, Commented Jul 25, 2011 at 0:10
$_REQUEST is a variable, not a function. Why not show some of your code? A minimal, meaningful example if possible. — Kerrek SB
– Kerrek SB, Commented Jul 25, 2011 at 0:10
Ok, here's the code that calls the assembling script: if($trigger == "songs") { $query = "Select item, color from Table where "; $url = ""; require("assemble.php"); } And here is the beginning of the assemble.php script: $title = $_REQUEST['title']; $titlej = $_REQUEST['titlej']; $titler = $_REQUEST['titler']; — user365465
– user365465, Commented Jul 25, 2011 at 0:15

Paul · Accepted Answer · 2011-07-25 00:09:03Z

2

Yes, all those superglobals are available no matter what you use your script for. The interpreter has no knowledge of what type of data the script is going to output. Your error must be somewhere else in the code. Are you outputting the correct header to tell the browser that it is css?

header('Content-Type: text/css');

answered Jul 25, 2011 at 0:09

Paul

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2 Comments

El Yobo Over a year ago

This answer is correct, but I would add that the CSS scripts will always be fetched by GET, so $_POST will always be empty in this case. The variable itself will be present, however.

user365465 Over a year ago

Yes, I have the correct header. In fact, the script always works unless it's on the search results page and calls the script to assemble the SQL code. The assemble script always works when it's called by the search script...

Ibu · Accepted Answer · 2011-07-25 00:11:49Z

0

<link href="css.php?id=1&value=2" rel="text/css">

first make sure that you specify the header in your css.php file

header('Content-Type: text/css');

Now you can have access to the query string:

$id = $_GET['id'];
$value = $_GET['value'];

Example:

body {
<?php
 if ($id == 1) {
   echo "background-color: red";
 }else {
   echo "background-color: yellow";
 }
?>

this should perfectly work

answered Jul 25, 2011 at 0:11

Ibu

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1 Comment

user365465 Over a year ago

Ok, I've just figured out the main issue. It seems that $_GET works for the link tag, i.e., "href='image.php?page=index'". However, I want to be able to use $_REQUEST to get something from the URL, like how it is used in non-CSS-related scripts. Is there any way for me to do this?

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