01 Simple

23:03:20 Create new Spreadsheet object
23:03:20 Set document properties
23:03:20 Add some data
23:03:20 Rename worksheet
23:03:20 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0029 seconds
23:03:20 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0082 seconds
23:03:20 Peak memory usage: 6MB