01 Simple

22:19:49 Create new Spreadsheet object
22:19:49 Set document properties
22:19:49 Add some data
22:19:49 Rename worksheet
22:19:49 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0067 seconds
22:19:49 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0150 seconds
22:19:49 Peak memory usage: 6.25MB