<?php

/*
 * SITE : Classes & PHP
 * TITRE : PHP4 - Design pattern singleton
 * AUTEUR : Antoine DESSAIGNE
 *
 */

header('Content-Type: text/plain');

Class Singleton
{
	var $name;

	function Singleton()
	{
		// Initialisation
		$this->name = 'toto';
	}

	function &getInstance()
	{
		static $singleton;

		if (!$singleton)
			$singleton = new Singleton();

		return $singleton;
	}
}

$var1 =& Singleton::getInstance()."\n";
$var2 =& Singleton::getInstance()."\n";

echo $var1->name."\n";
echo $var2->name."\n";
$var2->name = 'titi';
echo $var1->name."\n";

?>