01 Simple

07:30:35 Create new Spreadsheet object
07:30:35 Set document properties
07:30:35 Add some data
07:30:35 Rename worksheet
07:30:35 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0043 seconds
07:30:35 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0098 seconds
07:30:35 Peak memory usage: 5.75MB