01 Simple

19:08:58 Create new Spreadsheet object
19:08:58 Set document properties
19:08:58 Add some data
19:08:58 Rename worksheet
19:08:58 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0059 seconds
19:08:58 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0141 seconds
19:08:58 Peak memory usage: 10MB