01 Simple file reader using IOFactory

Loading file example1.xls using IOFactory to identify the format

    +------------------------+------------------+-----------------+--------------+----------+--------+
    | A                      | B                | C               | D            | E        | F      |
+---+------------------------+------------------+-----------------+--------------+----------+--------+
| 1 | Integer Numbers        | 123              | 234             | -345         | 456      |        |
| 2 | Floating Point Numbers | 1.23             | 23.45           | 3.45E-6      | -45.68   | £56.78 |
| 3 | Strings                | Hello            | World           | Привіт Світ! | PHPExcel |        |
| 4 | Booleans               | TRUE             | FALSE           |              |          |        |
| 5 | Dates                  | 19 December 1960 | 10 October 2010 |              |          |        |
| 6 | Times                  | 9:30             | 23:59           |              |          |        |
| 7 | Formulae               | 468              | -20.998         |              |          |        |
| 8 | Errors                 | #N/A             | #DIV/0!         |              |          |        |
+---+------------------------+------------------+-----------------+--------------+----------+--------+