01 Simple

10:05:49 Create new Spreadsheet object
10:05:49 Set document properties
10:05:49 Add some data
10:05:49 Rename worksheet
10:05:49 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0034 seconds
10:05:49 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0034 seconds
10:05:49 Peak memory usage: 2MB