key_copy         1247 ext/spl/spl_iterators.c 	zval                       prefix, key, postfix, key_copy;
key_copy         1272 ext/spl/spl_iterators.c 		zend_make_printable_zval(&key, &key_copy, &use_copy);
key_copy         1274 ext/spl/spl_iterators.c 			key = key_copy;