01 Simple

22:24:51 Create new Spreadsheet object
22:24:51 Set document properties
22:24:51 Add some data
22:24:51 Rename worksheet
22:24:51 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0035 seconds
22:24:51 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0039 seconds
22:24:51 Peak memory usage: 2MB