01 Simple

23:07:52 Create new Spreadsheet object
23:07:52 Set document properties
23:07:52 Add some data
23:07:52 Rename worksheet
23:07:52 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0033 seconds
23:07:52 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0098 seconds
23:07:52 Peak memory usage: 8MB