01 Simple

13:37:55 Create new Spreadsheet object
13:37:55 Set document properties
13:37:55 Add some data
13:37:55 Rename worksheet
13:37:55 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0026 seconds
13:37:55 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0009 seconds
13:37:55 Peak memory usage: 2MB