01 Simple

15:36:05 Create new Spreadsheet object
15:36:05 Set document properties
15:36:05 Add some data
15:36:05 Rename worksheet
15:36:05 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0035 seconds
15:36:05 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0072 seconds
15:36:05 Peak memory usage: 8MB