12:15:30 Create new PHPExcel object
12:15:30 Set document properties
12:15:30 Add some data
12:15:30 Sum of Range #1 is 23
12:15:30 Sum of Range #2 is 33
12:15:30 Sum of both Ranges is 56
12:15:30 Minimum value in either Range is 3
12:15:31 Maximum value in either Range is 17
12:15:31 Average value of both Ranges is 9.3333333333333
12:15:31 Rename worksheet
12:15:31 Write to Excel2007 format
12:15:31 File written to 03formulas.xlsx
Call time to write Workbook was 0.0232 seconds
12:15:31 Current memory usage: 4 MB
12:15:31 Write to Excel5 format
12:15:31 File written to 03formulas.xls
Call time to write Workbook was 0.0245 seconds
12:15:31 Current memory usage: 6 MB
12:15:31 Peak memory usage: 6 MB
12:15:31 Done writing files
Files have been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples