01 Simple

02:28:32 Create new Spreadsheet object
02:28:32 Set document properties
02:28:32 Add some data
02:28:32 Rename worksheet
02:28:32 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0026 seconds
02:28:32 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0094 seconds
02:28:32 Peak memory usage: 8MB