13:03:01 Create new PHPExcel object<br />13:03:01 Set document properties<br />13:03:01 Add some data<br />13:03:01 Sum of Range #1 is 23<br />13:03:01 Sum of Range #2 is 33<br />13:03:01 Sum of both Ranges is 56<br />13:03:01 Minimum value in either Range is 3<br />13:03:01 Maximum value in either Range is 17<br />13:03:01 Average value of both Ranges is 9.3333333333333<br />13:03:01 Rename worksheet<br />13:03:01 Write to Excel2007 format<br />
Fatal error: Uncaught exception 'PHPExcel_Writer_Exception' with message 'Could not close zip file /var/www/www.pde.gov.gr/gr/php/gaies/PHPExcel-1.8/Examples/03formulas.xlsx.' in /var/www/www.pde.gov.gr/gr/php/gaies/PHPExcel-1.8/Classes/PHPExcel/Writer/Excel2007.php:389
Stack trace:
#0 /var/www/www.pde.gov.gr/gr/php/gaies/PHPExcel-1.8/Examples/03formulas.php(119): PHPExcel_Writer_Excel2007->save('/var/www/www.pd...')
#1 {main}
  thrown in /var/www/www.pde.gov.gr/gr/php/gaies/PHPExcel-1.8/Classes/PHPExcel/Writer/Excel2007.php on line 389