$VAR1 = [
          [
            'This is the first line of a file.'
          ],
          [
            'This is line 2 of a file'
          ],
          [
            'This is line 3 of a file'
          ],
          [
            'This is line 4 of a file'
          ],
          [
            'This is the last line of a file.'
          ]
        ];