is_link
(PHP 4, PHP 5)
is_link — Tells whether the filename is a symbolic link
Description
bool is_link
( string $filename
)
Tells whether the given file is a symbolic link.
Parameters
- filename
-
Path to the file.
Return Values
Returns TRUE if the filename exists and is a symbolic link, FALSE otherwise.
Notes
Note: 此函數的結果會被快取。詳細資訊請參考 clearstatcache()。
Tip
As of PHP 5.0.0 this function can also be used with some URL wrappers. Refer to List of Supported Protocols/Wrappers for a listing of which wrappers support stat() family of functionality.