01 Simple

16:50:12 Create new Spreadsheet object
16:50:12 Set document properties
16:50:12 Add some data
16:50:12 Rename worksheet
16:50:12 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0034 seconds
16:50:12 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0066 seconds
16:50:12 Peak memory usage: 6MB