] = 'Data';   assertEquals(length($list0), 0, 'set random order list');   $list0 = array('Picard', 'Riker', 'Crusher');   $list0[0] = 'Pulaski';   assertEquals($list0, array('Picard', 'Riker', 'Pulaski'), 'set # list');   $list0 = array('Picard', 'Riker', 'Crusher');   (true ? $list0 : null)[