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.
