01 Simple

18:13:56 Create new Spreadsheet object
18:13:56 Set document properties
18:13:56 Add some data
18:13:56 Rename worksheet
18:13:56 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0029 seconds
18:13:56 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0084 seconds
18:13:56 Peak memory usage: 6MB