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

Warning: fopen(/var/www/rh/vendor/phpoffice/phpexcel/Examples/16csv.csv): failed to open stream: Permission denied in /var/www/rh/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/CSV.php on line 114

Fatal error: Uncaught PHPExcel_Writer_Exception: Could not open file /var/www/rh/vendor/phpoffice/phpexcel/Examples/16csv.csv for writing. in /var/www/rh/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/CSV.php:116 Stack trace: #0 /var/www/rh/vendor/phpoffice/phpexcel/Examples/16csv.php(50): PHPExcel_Writer_CSV->save('/var/www/rh/ven...') #1 {main} thrown in /var/www/rh/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/CSV.php on line 116