01 Simple

19:00:55 Create new Spreadsheet object
19:00:55 Set document properties
19:00:55 Add some data
19:00:55 Rename worksheet
19:00:55 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0057 seconds
19:00:55 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0143 seconds
19:00:55 Peak memory usage: 6.5MB