PHP Class Variable Access

Question

Seems like a simple enough question, so my apologies for asking. As a precursor I'm not necessarily 'new', but rather not so well-versed in PHP.

I have a class, declared as follows:

class User
{
    public $id = "";

    public function User()
    {
        $this->$id = isset($_COOKIE['userid']) ? $_COOKIE['userid'] : 0;
    }
}

Which seems simple enough, however - upon construction, I get the following set of errors:

Notice: Undefined variable: id in D:\xampp\htdocs\sitecore\include\classes.php on line 13

Fatal error: Cannot access empty property in D:\xampp\htdocs\sitecore\include\classes.php on line 13

Sorry for asking something so simple. The line in question starts with "$this->$id".

JScoobyCed · Accepted Answer · 2012-02-02 03:38:54Z

9

Remove the $ symbol at the 'id' place:

$this->id = isset($_COOKIE['userid']) ? $_COOKIE['userid'] : 0;

answered Feb 2, 2012 at 3:38

JScoobyCed

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2 Comments

DigitalJedi805 Over a year ago

Much appreciated. Hate being a rookie.

JScoobyCed Over a year ago

No worry, we all need help sometimes :)

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