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# rename

(PHP 3, PHP 4 , PHP 5)

rename -- Renames a file or directory

## Description

bool rename ( string oldname, string newname [, resource context] )

Attempts to rename oldname to newname.

成功回傳`TRUE`失敗回傳`FALSE`。

範例 1. Example with rename()

`<?php rename("/tmp/tmp_file.txt", "/home/user/login/docs/my_file.txt"); ?>`

> 注: Prior to PHP 4.3.3, rename() could not rename files across partitions on *nix based systems.

> 注: As of PHP 5.0.0 rename() can also be used with some URL wrappers. Refer to 附錄 L for a listing of which wrappers support rename().

> 注: The wrapper used in oldname MUST match the wrapper used in newname.

> 注: The context parameter was added as of PHP 5.0.0.

See also copy(), unlink(), and move_uploaded_file().

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