01 Simple

19:59:41 Create new Spreadsheet object
19:59:41 Set document properties
19:59:41 Add some data
19:59:41 Rename worksheet
19:59:41 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0030 seconds
19:59:41 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0029 seconds
19:59:41 Peak memory usage: 2MB