is_link

(PHP 3 <= 3.0.18, PHP 4 >= 4.0.0)

is_link --  Tells whether the filename is a symbolic link

Description

bool is_link (string filename)

Returns TRUE if the filename exists and is a symbolic link.

The results of this function are cached. See clearstatcache() for more details.

See also is_dir(), is_file(), and readlink().

This function will not work on remote files; the file to be examined must be accessible via the server's filesystem.

Note: This function is not implemented on Windows platforms.