01 Simple

08:21:47 Create new Spreadsheet object
08:21:47 Set document properties
08:21:47 Add some data
08:21:47 Rename worksheet
08:21:47 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0027 seconds
08:21:47 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0009 seconds
08:21:47 Peak memory usage: 2MB