01 Simple

02:25:05 Create new Spreadsheet object
02:25:05 Set document properties
02:25:05 Add some data
02:25:05 Rename worksheet
02:25:05 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0030 seconds
02:25:05 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0084 seconds
02:25:05 Peak memory usage: 6MB