Online PHP editor | output for g7Kgc

<?php class Test { public static $instance; protected $myVar = 'foo'; public function __call($name, $args) { return call_user_func_array(array($this, $name), $args); } public static function __callStatic($name, $args) { return call_user_func_array(array(self::getInstance(), $name), $args); } public static function getInstance() { return self::$instance ? : new self; } protected function getMyVar() { echo $this->myVar; } protected function setMyVar($value) { $this->myVar = $value; return $this; } } echo Test::setMyVar(15)->getMyVar();