1Parentheses for complex new/instanceof expressions 2----- 3<?php 4new ('a' . 'b'); 5new (x); 6new (foo()); 7new ('foo'); 8new (x[0]); 9new (x->y); 10new ((x)::$y); 11$x instanceof ('a' . 'b'); 12$x instanceof ($y++); 13----- 14new ('a' . 'b')(); 15new (x)(); 16new (foo())(); 17new ('foo')(); 18new (x[0])(); 19new (x->y)(); 20new ((x)::$y)(); 21$x instanceof ('a' . 'b'); 22$x instanceof ($y++); 23