01 Simple

23:19:56 Create new Spreadsheet object
23:19:56 Set document properties
23:19:56 Add some data
23:19:56 Rename worksheet
23:19:56 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0037 seconds
23:19:56 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0077 seconds
23:19:56 Peak memory usage: 2MB