Template for a singleton.

class.singleton.php

<?php
/**
 * Description
 *
 * Aufruf nur durch
 <code>{NAME}::getInstance()</code>
 * @author Thomas Scholz <info@toscho.de>
 */
class {NAME} {

	/**
	 * @static $instance Objekt
	 * @access private;
	 */
	private static $instance	= NULL;

	private function __construct()
	{
		// Tu was
	}
	/**
	 * Verhindert das Klonen des Objektes.
	 */
	private final function __clone() {}

	public static function getInstance() 
	{
		if ( self::$instance === NULL )
		{
			$class          = get_class();
			self::$instance = new $class;
		}

		return self::$instance;
	}
}
?>