01 Simple

02:49:34 Create new Spreadsheet object
02:49:34 Set document properties
02:49:34 Add some data
02:49:34 Rename worksheet
02:49:34 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0025 seconds
02:49:34 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0101 seconds
02:49:34 Peak memory usage: 8MB