08:16:41 Create new PHPExcel object
08:16:41 Add some data and formulas
08:16:41 Calculated data
Value of A1 [=B1]: 100
Value of B1 [=A1+1]: 100
Value of A2 [=B2+1]: 100
Value of B2 [=A2]: 99
08:16:41 Write to Excel2007 format
08:16:41 File written to 13calculationCyclicFormulae.xlsx
Call time to write Workbook was 0.0215 seconds
08:16:41 Current memory usage: 5.75 MB
08:16:41 Peak memory usage: 6.5 MB
08:16:41 Done writing file
File has been created in D:\phpStudy\WWW\newfile\newExcel\Examples