01 Simple

09:10:07 Create new Spreadsheet object
09:10:07 Set document properties
09:10:07 Add some data
09:10:07 Rename worksheet
09:10:07 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0032 seconds
09:10:07 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0074 seconds
09:10:07 Peak memory usage: 6MB