--TEST-- PRE_INC_OBJ: 006 --INI-- opcache.enable=1 opcache.enable_cli=1 opcache.file_update_protection=0 opcache.protect_memory=1 --FILE-- foo; } function __set($x, $y) { echo "set($y)\n"; } }; --$a->x->y; ?> DONE --EXPECTF-- Fatal error: Uncaught Error: Attempt to increment/decrement property "y" on int in %sinc_obj_006.php:14 Stack trace: #0 {main} thrown in %sinc_obj_006.php on line 14