08:11:38 Create new PHPExcel object
08:11:38 Set document properties
08:11:38 Add some data
08:11:38 Set column widths
08:11:38 Add conditional formatting
08:11:38 Duplicate the conditional formatting across a range of cells
08:11:38 Set fonts
08:11:38 Set header/footer
08:11:38 Set page orientation and size
08:11:38 Rename worksheet
08:11:38 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