SEPARATE_ZVAL_TO_MAKE_IS_REF(param_ref);
Z_ADDREF_PP(param_ref);
zend_hash_index_update(&obj->intern->bound, param_no, (void *) param_ref, sizeof(zval *), NULL);
SEPARATE_ZVAL_TO_MAKE_IS_REF(param_ref);
Z_ADDREF_PP(param_ref);
zend_hash_index_update(&obj->intern->bound, param_no, (void *) param_ref, sizeof(zval *), NULL);