19:49:59 Create new PHPExcel object
19:49:59 Add some data and formulas
19:49:59 Calculated data
Value of A1 [=B1]: 100
Value of B1 [=A1+1]: 100
Value of A2 [=B2+1]: 100
Value of B2 [=A2]: 99
19:50:00 Write to Excel2007 format
19:50:00 File written to 13calculationCyclicFormulae.xlsx
Call time to write Workbook was 0.0227 seconds
19:50:00 Current memory usage: 6 MB
19:50:00 Peak memory usage: 6 MB
19:50:00 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples