01 Simple

23:20:17 Create new Spreadsheet object
23:20:17 Set document properties
23:20:17 Add some data
23:20:17 Rename worksheet
23:20:17 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0111 seconds
23:20:17 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0422 seconds
23:20:17 Peak memory usage: 4MB