01 Simple

07:20:55 Create new Spreadsheet object
07:20:55 Set document properties
07:20:55 Add some data
07:20:55 Rename worksheet
07:20:55 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0028 seconds
07:20:55 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0093 seconds
07:20:55 Peak memory usage: 8MB