01 Simple

16:56:07 Create new Spreadsheet object
16:56:07 Set document properties
16:56:07 Add some data
16:56:07 Rename worksheet
16:56:07 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0037 seconds
16:56:07 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0257 seconds
16:56:07 Peak memory usage: 5.75MB