openFilename() openFilename( $filename, string $mode = 'r', boolean $printOutput = TRUE) Parameters $filename string $mode boolean $printOutput Open System file on Fs, or get error message return self::$handler['fh']
error() error(null $ret = NULL) : null|string Parameters null $ret Returns null|string — return system error
tail() tail( $file, $changeBlockSize = '3128', $print = TRUE) Parameters $file $changeBlockSize $print