(PHP 4, PHP 5)
is_link — Tells whether the filename is a symbolic link
Tells whether the given file is a symbolic link.
Path to the file.
Returns TRUE if the filename exists and is a symbolic link, FALSE otherwise.
Note: The results of this function are cached. See clearstatcache() for more details.
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.