17:03:36 Create new PHPExcel object
17:03:36 Add some data and formulas
17:03:36 Calculated data
Value of A1 [=B1]: 100
Value of B1 [=A1+1]: 100
Value of A2 [=B2+1]: 100
Value of B2 [=A2]: 99
17:03:36 Write to Excel2007 format
17:03:36 File written to 13calculationCyclicFormulae.xlsx
Call time to write Workbook was 0.0219 seconds
17:03:36 Current memory usage: 6 MB
17:03:36 Peak memory usage: 6 MB
17:03:36 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples