01 Simple

14:36:56 Create new Spreadsheet object
14:36:56 Set document properties
14:36:56 Add some data
14:36:56 Rename worksheet
14:36:56 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0037 seconds
14:36:56 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0092 seconds
14:36:56 Peak memory usage: 8MB