01 Simple

02:08:04 Create new Spreadsheet object
02:08:04 Set document properties
02:08:04 Add some data
02:08:04 Rename worksheet
02:08:04 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0029 seconds
02:08:04 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0091 seconds
02:08:04 Peak memory usage: 6MB