01:55:59 Create new PHPExcel object
01:55:59 Set document properties
01:55:59 Add some data
01:55:59 Add comments
01:55:59 Add rich-text string
01:55:59 Merge cells
01:55:59 Protect cells
01:55:59 Set cell number formats
01:55:59 Set column widths
01:55:59 Set fonts
01:55:59 Set alignments
01:55:59 Set thin black border outline around column
01:55:59 Set thick brown border outline around Total
01:55:59 Set fills
01:55:59 Set style for header row using alternative method
01:55:59 Unprotect a cell
01:55:59 Add a hyperlink to an external website
01:55:59 Add a hyperlink to another cell on a different worksheet within the workbook
01:55:59 Add a drawing to the worksheet
01:55:59 Add a drawing to the worksheet
01:55:59 Add a drawing to the worksheet
01:55:59 Play around with inserting and removing rows and columns
01:55:59 Set header/footer
01:55:59 Set page orientation and size
01:55:59 Rename first worksheet
01:55:59 Create a second Worksheet object
01:55:59 Add some data
01:55:59 Set the worksheet tab color
01:55:59 Set alignments
01:55:59 Set column widths
01:55:59 Set fonts
01:55:59 Add a drawing to the worksheet
01:55:59 Set page orientation and size
01:55:59 Rename second worksheet
01:55:59 Write to CSV format

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

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