15:35:30 Create new PHPExcel object
15:35:30 Set document properties
15:35:30 Add some data
15:35:30 Set column widths
15:35:30 Add conditional formatting
15:35:30 Duplicate the conditional formatting across a range of cells
15:35:30 Set fonts
15:35:30 Set header/footer
15:35:30 Set page orientation and size
15:35:30 Rename worksheet
15:35:30 Write to Excel2007 format

Fatal error: Uncaught exception 'PHPExcel_Writer_Exception' with message 'Could not close zip file /var/www/html/PHPExcel/Examples/08conditionalformatting.xlsx.' in /var/www/html/PHPExcel/Classes/PHPExcel/Writer/Excel2007.php:389 Stack trace: #0 /var/www/html/PHPExcel/Examples/08conditionalformatting.php(163): PHPExcel_Writer_Excel2007->save('/var/www/html/P...') #1 {main} thrown in /var/www/html/PHPExcel/Classes/PHPExcel/Writer/Excel2007.php on line 389