10:20:58 Create new PHPExcel object
10:20:58 Add some data and formulas
10:20:58 Calculated data
Value of A1 [=B1]: 100
Value of B1 [=A1+1]: 100
Value of A2 [=B2+1]: 100
Value of B2 [=A2]: 99
10:20:58 Write to Excel2007 format
10:20:59 File written to 13calculationCyclicFormulae.xlsx
Call time to write Workbook was 0.1102 seconds
10:20:59 Current memory usage: 4 MB
10:20:59 Peak memory usage: 4 MB
10:20:59 Done writing file
File has been created in /home/imevent/public_html/backup/vendor/phpoffice/phpexcel/Examples