01 Simple

05:45:49 Create new Spreadsheet object
05:45:49 Set document properties
05:45:49 Add some data
05:45:49 Rename worksheet
05:45:49 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0034 seconds
05:45:49 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0084 seconds
05:45:49 Peak memory usage: 6MB