13:00:23 Create new PHPExcel object
13:00:23 Add some data and formulas
13:00:23 Calculated data
Value of A1 [=B1]: 100
Value of B1 [=A1+1]: 100
Value of A2 [=B2+1]: 100
Value of B2 [=A2]: 99
13:00:23 Write to Excel2007 format
13:00:23 File written to 13calculationCyclicFormulae.xlsx
Call time to write Workbook was 0.0141 seconds
13:00:23 Current memory usage: 6 MB
13:00:23 Peak memory usage: 6 MB
13:00:23 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples