is_linkPHP ManualPrevNextis_linkis_link -- Tells whether the filename is a symbolic link Descriptionbool 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() and is_file(). Note: This function does not work on Windows systems PrevHomeNextis_fileUpis_readable