zend_hash_init(&r->bound, 0, 0, ZVAL_PTR_DTOR, 0);
zend_hash_init(&r->converters, 0, 0, ZVAL_PTR_DTOR, 0);
zend_hash_copy(&r->converters, &conn_obj->intern->converters, (copy_ctor_func_t) zval_add_ref, NULL, sizeof(zval *));
zend_hash_init(&r->bound, 0, 0, ZVAL_PTR_DTOR, 0);
zend_hash_init(&r->converters, 0, 0, ZVAL_PTR_DTOR, 0);
zend_hash_copy(&r->converters, &conn_obj->intern->converters, (copy_ctor_func_t) zval_add_ref, NULL, sizeof(zval *));