12:40:43 Create new PHPExcel object
12:40:44 Add some data and formulas
12:40:44 Calculated data
Value of A1 [=B1]: 100
Value of B1 [=A1+1]: 100
Value of A2 [=B2+1]: 100
Value of B2 [=A2]: 99
12:40:44 Write to Excel2007 format
12:40:44 File written to 13calculationCyclicFormulae.xlsx
Call time to write Workbook was 0.1826 seconds
12:40:44 Current memory usage: 4 MB
12:40:44 Peak memory usage: 4 MB
12:40:44 Done writing file
File has been created in /home/imevent/public_html/backup/vendor/phpoffice/phpexcel/Examples