01 Simple

07:59:54 Create new Spreadsheet object
07:59:54 Set document properties
07:59:54 Add some data
07:59:54 Rename worksheet
07:59:54 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0179 seconds
07:59:54 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0237 seconds
07:59:54 Peak memory usage: 10MB