message: For PHP73 changes.
diff: @@ -1136,7 +1136,11 @@ static void swoole_serialize_object(seriaString *buffer, zval *obj, size_t start
  //for the zero malloc
  zend_array tmp_arr;
  zend_array *ht = (zend_array *) & tmp_arr;
  +#if PHP_VERSION_ID >= 70300
  + _zend_hash_init(ht, zend_hash_num_elements(Z_ARRVAL(retval)), ZVAL_PTR_DTOR, 0);
  +#else
  _zend_hash_init(ht, zend_hash_num_elements(Z_ARRVAL(retval)), ZVAL_PTR_DTOR, 0 ZEND_FILE_LINE_CC);
  +#endif
  ht->nTableMask = -(ht)->nTableSize;
  ALLOCA_FLAG(use_heap);
  void *ht_addr = do_alloca(HT_SIZE(ht), use_heap);
  