23:57:32 Create new PHPExcel object<br />23:57:32 Set document properties<br />23:57:32 Add some data<br />23:57:32 Set column widths<br />23:57:32 Add conditional formatting<br />23:57:32 Duplicate the conditional formatting across a range of cells<br />23:57:32 Set fonts<br />23:57:32 Set header/footer<br />23:57:32 Set page orientation and size<br />23:57:32 Rename worksheet<br />23:57:32 Write to Excel2007 format<br /><br />
<b>Fatal error</b>:  Uncaught exception 'PHPExcel_Writer_Exception' with message 'Could not close zip file /var/www/backup/20160830/vendor/phpoffice/phpexcel/Examples/08conditionalformatting.xlsx.' in /var/www/backup/20160830/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:399
Stack trace:
#0 /var/www/backup/20160830/vendor/phpoffice/phpexcel/Examples/08conditionalformatting.php(163): PHPExcel_Writer_Excel2007-&gt;save('/var/www/backup...')
#1 {main}
  thrown in <b>/var/www/backup/20160830/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>399</b><br />