file_exists Checks whether a file exists boolfile_exists stringfilename Returns &true; if the file specified by filename exists; &false; otherwise. This function will not work on remote files; the file to be examined must be accessible via the server's filesystem. The results of this function are cached. See clearstatcache for more details. On windows, use //computername/share/filename or \\\\computername\share\filename to check files on network shares. ]]> See also is_readable, is_writable, is_file and file.