DIT_CallbackFilterIterator 1503 spl/spl_iterators.c 		case DIT_CallbackFilterIterator:
DIT_CallbackFilterIterator 1552 spl/spl_iterators.c 	spl_dual_it_construct(INTERNAL_FUNCTION_PARAM_PASSTHRU, spl_ce_CallbackFilterIterator, zend_ce_iterator, DIT_CallbackFilterIterator);
DIT_CallbackFilterIterator 2282 spl/spl_iterators.c 	if (object->dit_type == DIT_CallbackFilterIterator || object->dit_type == DIT_RecursiveCallbackFilterIterator) {