13:49:59 Create new PHPExcel object
13:50:00 Add some data and formulas
13:50:00 Calculated data
Value of A1 [=B1]: 100
Value of B1 [=A1+1]: 100
Value of A2 [=B2+1]: 100
Value of B2 [=A2]: 99
13:50:00 Write to Excel2007 format
13:50:00 File written to 13calculationCyclicFormulae.xlsx
Call time to write Workbook was 0.1409 seconds
13:50:00 Current memory usage: 4 MB
13:50:00 Peak memory usage: 4 MB
13:50:00 Done writing file
File has been created in /home/imevent/public_html/backup/vendor/phpoffice/phpexcel/Examples