01 Simple

03:20:53 Create new Spreadsheet object
03:20:53 Set document properties
03:20:53 Add some data
03:20:53 Rename worksheet
03:20:53 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0016 seconds
03:20:53 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0014 seconds
03:20:53 Peak memory usage: 2MB