09:07:46 Create new PHPExcel object<br />09:07:46 Add some data and formulas<br />09:07:46 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 />09:07:46 Write to Excel2007 format<br />09:07:46 File written to 13calculationCyclicFormulae.xlsx<br />Call time to write Workbook was 0.0146 seconds<br />09:07:46 Current memory usage: 6 MB<br />09:07:46 Peak memory usage: 6 MB<br />09:07:46 Done writing file<br />File has been created in /home/adler/www/test/Examples<br />