01 Simple

23:17:06 Create new Spreadsheet object
23:17:06 Set document properties
23:17:06 Add some data
23:17:06 Rename worksheet
23:17:06 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0033 seconds
23:17:06 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0075 seconds
23:17:06 Peak memory usage: 2MB