01 Simple

23:23:05 Create new Spreadsheet object
23:23:05 Set document properties
23:23:05 Add some data
23:23:05 Rename worksheet
23:23:05 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0036 seconds
23:23:05 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0090 seconds
23:23:05 Peak memory usage: 6MB