01 Simple

15:58:44 Create new Spreadsheet object
15:58:44 Set document properties
15:58:44 Add some data
15:58:44 Rename worksheet
15:58:44 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0046 seconds
15:58:44 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0098 seconds
15:58:44 Peak memory usage: 6MB