"; echo "Log file: " . $logFile . "
"; echo "Exists: " . (file_exists($logFile) ? 'YES' : 'NO') . "
"; echo "Writable: " . (is_writable(dirname($logFile)) ? 'YES' : 'NO') . "
"; if (file_exists($logFile)) { echo "

Last 20 lines:

"; echo "

";
            echo htmlspecialchars(shell_exec('tail -20 ' . escapeshellarg($logFile)));
            echo "

"; } } }