PHP Question, what does $this do?

For example

<?php
class my_class
{
var $my_var;

function my_class ($var)
{
global $obj_instance;

$obj_instance = $this;
$this->my_var = $var;
}

}

$obj = new my_class ("something");
echo $obj->my_var;
echo $obj_instance->my_var;

?>

What is $this doing?

Anwered 2010-03-07 10:57:31 by jimbot

$this refers to the instance of the object in which it is currently operating.

In the case of your example, $this refers to the object contained in the global variable $obj.