<?php

require_once("Singleton.php");

echo "Program starts.\n";

$obj1 =& Singleton::getInstance();
$obj2 =& Singleton::getInstance();

if ($obj1 === $obj2) {
   echo "This is same.\n";
} else {
   echo "NOT SAME.\n";
}

$obj1->setMessage("foo");
echo "obj2.message: ".$obj1->getMessage()."\n";
$obj2->setMessage("bar");
echo "obj1.message: ".$obj2->getMessage()."\n";

echo "Program ends.\n";

?>