01 Simple

05:08:53 Create new Spreadsheet object
05:08:53 Set document properties
05:08:53 Add some data
05:08:53 Rename worksheet
05:08:53 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0028 seconds
05:08:53 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0067 seconds
05:08:53 Peak memory usage: 6MB