13:30:27 Create new PHPExcel object
13:30:27 Set document properties
13:30:27 Add some data
13:30:27 Sum of Range #1 is 23
13:30:27 Sum of Range #2 is 33
13:30:27 Sum of both Ranges is 56
13:30:27 Minimum value in either Range is 3
13:30:28 Maximum value in either Range is 17
13:30:28 Average value of both Ranges is 9.3333333333333
13:30:28 Rename worksheet
13:30:28 Write to Excel2007 format
13:30:28 File written to 03formulas.xlsx
Call time to write Workbook was 0.0221 seconds
13:30:28 Current memory usage: 6 MB
13:30:28 Write to Excel5 format
13:30:28 File written to 03formulas.xls
Call time to write Workbook was 0.0218 seconds
13:30:28 Current memory usage: 8 MB
13:30:28 Peak memory usage: 8 MB
13:30:28 Done writing files
Files have been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples