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