04:20:30 Create new PHPExcel object<br />04:20:31 Add some data and formulas<br />04:20:31 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 />04:20:31 Write to Excel2007 format<br />04:20:32 File written to 13calculationCyclicFormulae.xlsx<br />Call time to write Workbook was 0.7298 seconds<br />04:20:32 Current memory usage: 8 MB<br />04:20:32 Peak memory usage: 11.75 MB<br />04:20:32 Done writing file<br />File has been created in D:\xampp\htdocs\dmmc\vendor\phpoffice\phpexcel\Examples<br />