01 Simple

06:24:34 Create new Spreadsheet object
06:24:34 Set document properties
06:24:34 Add some data
06:24:34 Rename worksheet
06:24:34 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0028 seconds
06:24:34 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0018 seconds
06:24:34 Peak memory usage: 2MB