01 Simple

19:47:11 Create new Spreadsheet object
19:47:11 Set document properties
19:47:11 Add some data
19:47:11 Rename worksheet
19:47:11 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0029 seconds
19:47:11 Write Excel5 format to /tmp/phpspreadsheet/01_Simple.xls in 0.0067 seconds
19:47:11 Peak memory usage: 6MB