01 Simple

05:52:04 Create new Spreadsheet object
05:52:04 Set document properties
05:52:04 Add some data
05:52:04 Rename worksheet
05:52:04 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0144 seconds
05:52:04 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0217 seconds
05:52:04 Peak memory usage: 3MB