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<?php class Singleton { private static $instance; private function __construct() { } public static function getInstance() { if (null === self::$instance) { self::$instance = new self(); } return self::$instance; } } $cl = function() { return new self(); }; var_dump(Singleton::getInstance()); var_dump(Singleton::getInstance()); var_dump(Singleton::getInstance());
Output for git.master, git.master_jit, rfc.property-hooks
object(Singleton)#2 (0) { } object(Singleton)#2 (0) { } object(Singleton)#2 (0) { }

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