09:11:08 Create new PHPExcel object
09:11:08 Add some data and formulas
09:11:08 Calculated data
Value of A1 [=B1]: 100
Value of B1 [=A1+1]: 100
Value of A2 [=B2+1]: 100
Value of B2 [=A2]: 99
09:11:09 Write to Excel2007 format
09:11:09 File written to 13calculationCyclicFormulae.xlsx
Call time to write Workbook was 0.0943 seconds
09:11:09 Current memory usage: 4 MB
09:11:09 Peak memory usage: 4 MB
09:11:09 Done writing file
File has been created in /home/imevent/public_html/backup/vendor/phpoffice/phpexcel/Examples