01 Simple

18:25:08 Create new Spreadsheet object
18:25:08 Set document properties
18:25:08 Add some data
18:25:08 Rename worksheet
18:25:08 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0034 seconds
18:25:08 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0089 seconds
18:25:08 Peak memory usage: 6MB