01 Simple

13:04:57 Create new Spreadsheet object
13:04:57 Set document properties
13:04:57 Add some data
13:04:57 Rename worksheet
13:04:57 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0030 seconds
13:04:57 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0031 seconds
13:04:57 Peak memory usage: 2MB