01 Simple

18:36:29 Create new Spreadsheet object
18:36:29 Set document properties
18:36:29 Add some data
18:36:29 Rename worksheet
18:36:29 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0061 seconds
18:36:29 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0038 seconds
18:36:29 Peak memory usage: 2MB