01 Simple

05:51:53 Create new Spreadsheet object
05:51:53 Set document properties
05:51:53 Add some data
05:51:53 Rename worksheet
05:51:53 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0032 seconds
05:51:53 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0023 seconds
05:51:53 Peak memory usage: 2MB