01 Simple

13:04:33 Create new Spreadsheet object
13:04:33 Set document properties
13:04:33 Add some data
13:04:33 Rename worksheet
13:04:33 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0047 seconds
13:04:33 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0036 seconds
13:04:33 Peak memory usage: 2MB