Access GET Variable on class instantiation PHP?

Question

How can I retrieve GET values inside a PHP Class construct or functions?

Similar subject can be found here which I referred to session values, scope. Access Session Variable within a class

Example which doesn't retrieve value, set inside class construct.

$this->siteid = $_GET['siteid'];

or

$this->siteid = $_REQUEST['siteid'];

The purpose of the above is to retrieve id for testing params, goal is to hold these inside session, similar problem.

$_GET is a "superglobal"; it shouldn't make any difference whether it's inside a constructor, function or anything else. Does the variable exist inside $_GET when called elsewhere? If so, it will only not exist inside the constructor if you've unset it somewhere else. — El Yobo
– El Yobo, Commented May 21, 2011 at 13:21
That exact same code works before the class instantiation but doesn't work in the class' constructor? — Fanis Hatzidakis
– Fanis Hatzidakis, Commented May 21, 2011 at 13:42
@Codex73 Undefined index message its mean there is no name with it, make sure you have a variable called 'siteid' in your request. — SIFE
– SIFE, Commented May 21, 2011 at 13:44

Tapos · Accepted Answer · 2011-05-21 13:39:40Z

0

Can you please check what does var_dump($_REQUEST). I think that variable isn't present in $_GET variable in that particular page in where you are accessing the class.

answered May 21, 2011 at 13:39

Tapos

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4 Comments

Codex73 Over a year ago

array(1) { ["siteid"]=> string(2) "86" }

Tapos Over a year ago

I just wrote

<?php class A { 	var $siteid; 	public function  __construct() { 		$this->siteid = 0; 	} 	public function setSiteId(){ 		$this->siteid = $_GET["siteid"]; 	} 	public function getSiteId(){ 		return $this->siteid; 	} } $a = new A(); $a->setSiteId(); var_dump($a->getSiteId()); ?>

and this is working fine for me.

Codex73 Over a year ago

@Tapos Yes that works for your scenario. I have a slight different need which is assigning the request value to an inside object variable. It could be the order I'm calling processes.

Codex73 Over a year ago

It wasn't a problem with scope or global but with class instantiation order, overlapping with others. Also a ajax request passing a value which included variable.

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