RETVAL_ZVAL       643 Zend/zend_API.h #define RETURN_ZVAL(zv, copy, dtor)		{ RETVAL_ZVAL(zv, copy, dtor); return; }
RETVAL_ZVAL      1280 ext/spl/spl_iterators.c 		RETVAL_ZVAL(&key, 1, 1);
RETVAL_ZVAL      5156 ext/standard/array.c 	RETVAL_ZVAL(&result, 1, 1);