01 Simple

16:53:50 Create new Spreadsheet object
16:53:50 Set document properties
16:53:50 Add some data
16:53:50 Rename worksheet
16:53:50 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0040 seconds
16:53:50 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0030 seconds
16:53:50 Peak memory usage: 2MB