(PHP 5, PHP 7, PHP 8)
streamWrapper::rename — Renames a file or directory
This method is called in response to rename().
   Should attempt to rename path_from to
   path_to
  
注意:
In order for the appropriate error message to be returned this method should not be defined if the wrapper does not support renaming files.
path_fromThe URL to the current file.
path_to
       The URL which the path_from should be renamed to.
      
调用此方法失败将给出
E_WARNING(未实现)。
注意:
当合法的上下文传递给调用函数时,属性 streamWrapper::$context 会被改变。
