--TEST-- Twig supports the in operator when using objects --TEMPLATE-- {% if object in object_list %} TRUE {% endif %} --DATA-- $foo = new TwigTestFoo(); $foo1 = new TwigTestFoo(); $foo->position = $foo1; $foo1->position = $foo; return array( 'object' => $foo, 'object_list' => array($foo1, $foo), ); --EXPECT-- TRUE