09:29:53 Create new PHPExcel object
09:29:53 Set document properties
09:29:53 Add some data
09:29:53 Set column widths
09:29:53 Add conditional formatting
09:29:53 Duplicate the conditional formatting across a range of cells
09:29:53 Set fonts
09:29:53 Set header/footer
09:29:53 Set page orientation and size
09:29:53 Rename worksheet
09:29:53 Write to Excel2007 format

Fatal error: Uncaught exception 'PHPExcel_Writer_Exception' with message 'Could not close zip file /var/www/ECHANGE/sf2_echange_mcdo/vendor/phpoffice/phpexcel/Examples/08conditionalformatting.xlsx.' in /var/www/ECHANGE/sf2_echange_mcdo/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:399 Stack trace: #0 /var/www/ECHANGE/sf2_echange_mcdo/vendor/phpoffice/phpexcel/Examples/08conditionalformatting.php(163): PHPExcel_Writer_Excel2007->save('/var/www/ECHANG...') #1 {main} thrown in /var/www/ECHANGE/sf2_echange_mcdo/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php on line 399