12:30:46 Create new PHPExcel object
12:30:46 Add some data and formulas
12:30:46 Calculated data
Value of A1 [=B1]: 100
Value of B1 [=A1+1]: 100
Value of A2 [=B2+1]: 100
Value of B2 [=A2]: 99
12:30:46 Write to Excel2007 format
12:30:46 File written to 13calculationCyclicFormulae.xlsx
Call time to write Workbook was 0.0269 seconds
12:30:46 Current memory usage: 6 MB
12:30:46 Peak memory usage: 6 MB
12:30:46 Done writing file
File has been created in D:\dev\sklad\vendor\phpoffice\phpexcel\Examples