LPMJ Example 5-12 (Click on the icon to view the source for copy and pasting)
<?php
$object1 = new User();
$object1->name = "Alice";
$object2 = $object1;
$object2->name = "Amy";
echo "object1 name = " . $object1->name . "<br />";
echo "object2 name = " . $object2->name;

class User
{
	public $name;
}
?>