23:33:17 Create new PHPExcel object<br />23:33:17 Add some data and formulas<br />23:33:17 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 />23:33:17 Write to Excel2007 format<br />23:33:19 File written to 13calculationCyclicFormulae.xlsx<br />Call time to write Workbook was 1.4062 seconds<br />23:33:19 Current memory usage: 6 MB<br />23:33:19 Peak memory usage: 9 MB<br />23:33:19 Done writing file<br />File has been created in C:\wamp\www\fx\addons\yun_shop\vendor\phpoffice\phpexcel\Examples<br />