01 Simple

13:22:07 Create new Spreadsheet object
13:22:07 Set document properties
13:22:07 Add some data
13:22:07 Rename worksheet
13:22:07 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0029 seconds
13:22:07 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0028 seconds
13:22:07 Peak memory usage: 2MB