01 Simple

08:12:43 Create new Spreadsheet object
08:12:43 Set document properties
08:12:43 Add some data
08:12:43 Rename worksheet
08:12:43 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0031 seconds
08:12:43 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0022 seconds
08:12:43 Peak memory usage: 2MB