21:14:29 Create new PHPExcel object
21:14:29 Add some data and formulas
21:14:29 Calculated data
Value of A1 [=B1]: 100
Value of B1 [=A1+1]: 100
Value of A2 [=B2+1]: 100
Value of B2 [=A2]: 99
21:14:29 Write to Excel2007 format
21:14:29 File written to 13calculationCyclicFormulae.xlsx
Call time to write Workbook was 0.0164 seconds
21:14:29 Current memory usage: 9 MB
21:14:29 Peak memory usage: 11.5 MB
21:14:29 Done writing file
File has been created in /home/glink/haiphams3.glinkdeployments.com/exam-chat/vendor/phpoffice/phpexcel/Examples