09:08:10 Create new PHPExcel object<br />09:08:10 Add some data and formulas<br />09:08:10 Calculated data<br />Value of A1 [=B1]: 100<br />Value of B1 [=A1+1]: 100<br />Value of A2 [=B2+1]: 100<br />Value of B2 [=A2]: 99<br />09:08:10 Write to Excel2007 format<br />09:08:10 File written to 13calculationCyclicFormulae.xlsx<br />Call time to write Workbook was 0.0114 seconds<br />09:08:10 Current memory usage: 5.5 MB<br />09:08:10 Peak memory usage: 6.5 MB<br />09:08:10 Done writing file<br />File has been created in D:\xampp\htdocs\hitgroupbuying\tool\PHPExcel\Examples<br />