01 Simple

04:30:07 Create new Spreadsheet object
04:30:07 Set document properties
04:30:07 Add some data
04:30:07 Rename worksheet
04:30:07 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0032 seconds
04:30:07 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0050 seconds
04:30:07 Peak memory usage: 1.5MB