01 Simple

22:59:37 Create new Spreadsheet object
22:59:37 Set document properties
22:59:37 Add some data
22:59:37 Rename worksheet
22:59:37 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0035 seconds
22:59:37 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0077 seconds
22:59:37 Peak memory usage: 9.5MB