DIT_CallbackFilterIterator 1575 ext/spl/spl_iterators.c case DIT_CallbackFilterIterator: DIT_CallbackFilterIterator 1624 ext/spl/spl_iterators.c spl_dual_it_construct(INTERNAL_FUNCTION_PARAM_PASSTHRU, spl_ce_CallbackFilterIterator, zend_ce_iterator, DIT_CallbackFilterIterator); DIT_CallbackFilterIterator 2383 ext/spl/spl_iterators.c if (object->dit_type == DIT_CallbackFilterIterator || object->dit_type == DIT_RecursiveCallbackFilterIterator) {