Text_Diff_Engine_shell::_getLines( array $text_lines, int $line_no, int $end = false ): array

145    function _getLines(&$text_lines, &$line_no, $end = false)146    {147        if (!empty($end)) {148            $lines = array();149            // We can shift even more150            while ($line_no <= $end) {151                array_push($lines, array_shift($text_lines));152                $line_no++;153            }154        } else {155            $lines = array(array_shift($text_lines));156            $line_no++;157        }158 159        return $lines;160    }