01 Simple

08:33:39 Create new Spreadsheet object
08:33:39 Set document properties
08:33:39 Add some data
08:33:39 Rename worksheet
08:33:39 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0030 seconds
08:33:39 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0022 seconds
08:33:39 Peak memory usage: 2MB