07:50:13 Create new PHPExcel object
07:50:13 Add some data and formulas
07:50:13 Calculated data
Value of A1 [=B1]: 100
Value of B1 [=A1+1]: 100
Value of A2 [=B2+1]: 100
Value of B2 [=A2]: 99
07:50:13 Write to Excel2007 format
07:50:13 File written to 13calculationCyclicFormulae.xlsx
Call time to write Workbook was 0.0165 seconds
07:50:13 Current memory usage: 4 MB
07:50:13 Peak memory usage: 4 MB
07:50:13 Done writing file
File has been created in /var/www/html/examcontroller-web/vendor/phpoffice/phpexcel/Examples