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