caching_it        477 ext/spl/spl_iterators.c 			zval *caching_it, *caching_it_flags, *user_caching_it_flags = NULL;
caching_it        494 ext/spl/spl_iterators.c 				spl_instantiate_arg_ex2(spl_ce_RecursiveCachingIterator, &caching_it, 1, iterator, caching_it_flags TSRMLS_CC);
caching_it        499 ext/spl/spl_iterators.c 				iterator = caching_it;