01 Simple

10:43:05 Create new Spreadsheet object
10:43:05 Set document properties
10:43:05 Add some data
10:43:05 Rename worksheet
10:43:05 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0030 seconds
10:43:05 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0030 seconds
10:43:05 Peak memory usage: 2MB