01 Simple

05:00:50 Create new Spreadsheet object
05:00:50 Set document properties
05:00:50 Add some data
05:00:50 Rename worksheet
05:00:50 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0029 seconds
05:00:50 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0738 seconds
05:00:50 Peak memory usage: 1.5MB