EXTR_IF_EXISTS    108 ext/standard/array.c 	REGISTER_LONG_CONSTANT("EXTR_IF_EXISTS", EXTR_IF_EXISTS, CONST_CS | CONST_PERSISTENT);
EXTR_IF_EXISTS   1302 ext/standard/array.c 	if (extract_type < EXTR_OVERWRITE || extract_type > EXTR_IF_EXISTS) {
EXTR_IF_EXISTS   1356 ext/standard/array.c 			case EXTR_IF_EXISTS: