01 Simple

18:59:13 Create new Spreadsheet object
18:59:13 Set document properties
18:59:13 Add some data
18:59:13 Rename worksheet
18:59:14 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0091 seconds
18:59:14 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0396 seconds
18:59:14 Peak memory usage: 10MB