08:05:05 Create new PHPExcel object<br />08:05:06 Add some data and formulas<br />08:05:06 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 />08:05:06 Write to Excel2007 format<br /><br />
<b>Fatal error</b>:  Uncaught Error: Class 'ZipArchive' not found in /home/zxun/public_html/module7/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:220
Stack trace:
#0 /home/zxun/public_html/module7/vendor/phpoffice/phpexcel/Examples/13calculationCyclicFormulae.php(82): PHPExcel_Writer_Excel2007-&gt;save('/home/zxun/publ...')
#1 {main}
  thrown in <b>/home/zxun/public_html/module7/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>220</b><br />