01 Simple

18:36:31 Create new Spreadsheet object
18:36:31 Set document properties
18:36:31 Add some data
18:36:31 Rename worksheet
18:36:31 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0057 seconds
18:36:31 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0136 seconds
18:36:31 Peak memory usage: 10MB