function testPluckObject() { $billy = new stdClass(); $billy->name = 'Billy Corgan'; $billy->instrument = 'guitar'; $jimmy = new stdClass(); $jimmy->name = 'Jimmy Chamberlin'; $jimmy->instrument = 'drums'; $pumpkins = array($billy, $jimmy); $instruments = \Timber\Helper::pluck($pumpkins, 'instrument'); $this->assertEquals(array('guitar', 'drums'), $instruments); }