01:58:57 Create new PHPExcel object
01:58:57 Add some data and formulas
01:58:57 Calculated data
Value of A1 [=B1]: 100
Value of B1 [=A1+1]: 100
Value of A2 [=B2+1]: 100
Value of B2 [=A2]: 99
01:58:57 Write to Excel2007 format
01:58:57 File written to 13calculationCyclicFormulae.xlsx
Call time to write Workbook was 0.0479 seconds
01:58:57 Current memory usage: 4 MB
01:58:57 Peak memory usage: 4 MB
01:58:57 Done writing file
File has been created in /home/imevent/public_html/backup/vendor/phpoffice/phpexcel/Examples