09:37:28 Create new PHPExcel object
09:37:28 Set document properties
09:37:28 Add some data
09:37:28 Set column widths
09:37:28 Add conditional formatting
09:37:28 Duplicate the conditional formatting across a range of cells
09:37:28 Set fonts
09:37:28 Set header/footer
09:37:28 Set page orientation and size
09:37:28 Rename worksheet
09:37:28 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