01 Simple

02:51:16 Create new Spreadsheet object
02:51:16 Set document properties
02:51:16 Add some data
02:51:16 Rename worksheet
02:51:16 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0026 seconds
02:51:16 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0097 seconds
02:51:16 Peak memory usage: 8MB