01 Simple

16:27:11 Create new Spreadsheet object
16:27:11 Set document properties
16:27:11 Add some data
16:27:11 Rename worksheet
16:27:11 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0037 seconds
16:27:11 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0076 seconds
16:27:11 Peak memory usage: 8MB