01 Simple

09:55:43 Create new Spreadsheet object
09:55:43 Set document properties
09:55:43 Add some data
09:55:43 Rename worksheet
09:55:43 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0023 seconds
09:55:43 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0066 seconds
09:55:43 Peak memory usage: 8MB