01 Simple

21:39:39 Create new Spreadsheet object
21:39:39 Set document properties
21:39:39 Add some data
21:39:39 Rename worksheet
21:39:39 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0031 seconds
21:39:39 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0031 seconds
21:39:39 Peak memory usage: 2MB