20:19:29 Create new PHPExcel object<br />20:19:29 Add some data and formulas<br />20:19:29 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 />20:19:29 Write to Excel2007 format<br />20:19:29 File written to 13calculationCyclicFormulae.xlsx<br />Call time to write Workbook was 0.0255 seconds<br />20:19:29 Current memory usage: 9.25 MB<br />20:19:29 Peak memory usage: 11.5 MB<br />20:19:29 Done writing file<br />File has been created in /var/www/localhost/htdocs/faaszoom/vendor/phpoffice/phpexcel/Examples<br />