16:30:50 Create new PHPExcel object<br />16:30:50 Add some data and formulas<br />16:30:50 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 />16:30:50 Write to Excel2007 format<br /><br />
<b>Warning</b>:  ZipArchive::close(): Failure to create temporary file: Permission denied in <b>/home/webapp/data-conv/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>388</b><br />
<br />
<b>Fatal error</b>:  Uncaught exception 'PHPExcel_Writer_Exception' with message 'Could not close zip file /home/webapp/data-conv/vendor/phpoffice/phpexcel/Examples/13calculationCyclicFormulae.xlsx.' in /home/webapp/data-conv/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:389
Stack trace:
#0 /home/webapp/data-conv/vendor/phpoffice/phpexcel/Examples/13calculationCyclicFormulae.php(82): PHPExcel_Writer_Excel2007-&gt;save('/home/webapp/da...')
#1 {main}
  thrown in <b>/home/webapp/data-conv/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>389</b><br />