01 Simple

10:04:40 Create new Spreadsheet object
10:04:40 Set document properties
10:04:40 Add some data
10:04:40 Rename worksheet
10:04:40 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0028 seconds
10:04:40 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0059 seconds
10:04:40 Peak memory usage: 8MB