13:01:40 Create new PHPExcel object<br />13:01:40 Add some data and formulas<br />13:01:40 Calculated data<br />Value of A1 [=B1]: =B1<br />Value of B1 [=A1+1]: =A1+1<br />Value of A2 [=B2+1]: =B2+1<br />Value of B2 [=A2]: =A2<br />13:01:40 Write to Excel2007 format<br />13:01:40 File written to 13calculationCyclicFormulae.xlsx<br />Call time to write Workbook was 0.0065 seconds<br />13:01:40 Current memory usage: 2 MB<br />13:01:40 Peak memory usage: 2 MB<br />13:01:40 Done writing file<br />File has been created in /home/adler/www/test/Examples<br />