01 Simple

23:16:30 Create new Spreadsheet object
23:16:30 Set document properties
23:16:30 Add some data
23:16:30 Rename worksheet
23:16:30 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0036 seconds
23:16:30 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0088 seconds
23:16:30 Peak memory usage: 6MB