20:15:15 Create new PHPExcel object
20:15:15 Set document properties
20:15:15 Add some data
20:15:15 Add comments
20:15:15 Add rich-text string
20:15:15 Merge cells
20:15:15 Protect cells
20:15:15 Set cell number formats
20:15:15 Set column widths
20:15:15 Set fonts
20:15:15 Set alignments
20:15:15 Set thin black border outline around column
20:15:15 Set thick brown border outline around Total
20:15:15 Set fills
20:15:15 Set style for header row using alternative method
20:15:15 Unprotect a cell
20:15:15 Add a hyperlink to an external website
20:15:15 Add a hyperlink to another cell on a different worksheet within the workbook
20:15:15 Add a drawing to the worksheet
20:15:15 Add a drawing to the worksheet
20:15:15 Add a drawing to the worksheet
20:15:15 Play around with inserting and removing rows and columns
20:15:15 Set header/footer
20:15:15 Set page orientation and size
20:15:15 Rename first worksheet
20:15:15 Create a second Worksheet object
20:15:15 Add some data
20:15:15 Set the worksheet tab color
20:15:15 Set alignments
20:15:15 Set column widths
20:15:15 Set fonts
20:15:15 Add a drawing to the worksheet
20:15:15 Set page orientation and size
20:15:15 Rename second worksheet
20:15:15 Write to Excel2007 format

Fatal error: Uncaught exception 'PHPExcel_Writer_Exception' with message 'Could not close zip file /var/www/backup/2017.03.22/2017-03-22_10:52:56/vendor/phpoffice/phpexcel/Examples/05featuredemo.xlsx.' in /var/www/backup/2017.03.22/2017-03-22_10:52:56/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:399 Stack trace: #0 /var/www/backup/2017.03.22/2017-03-22_10:52:56/vendor/phpoffice/phpexcel/Examples/05featuredemo.php(48): PHPExcel_Writer_Excel2007->save('/var/www/backup...') #1 {main} thrown in /var/www/backup/2017.03.22/2017-03-22_10:52:56/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php on line 399