02:41:43 Create new PHPExcel object
02:41:43 Set document properties
02:41:43 Add some data
02:41:43 Add comments
02:41:43 Add rich-text string
02:41:43 Merge cells
02:41:43 Protect cells
02:41:43 Set cell number formats
02:41:43 Set column widths
02:41:43 Set fonts
02:41:43 Set alignments
02:41:43 Set thin black border outline around column
02:41:43 Set thick brown border outline around Total
02:41:43 Set fills
02:41:43 Set style for header row using alternative method
02:41:43 Unprotect a cell
02:41:43 Add a hyperlink to an external website
02:41:43 Add a hyperlink to another cell on a different worksheet within the workbook
02:41:43 Add a drawing to the worksheet
02:41:43 Add a drawing to the worksheet
02:41:43 Add a drawing to the worksheet
02:41:43 Play around with inserting and removing rows and columns
02:41:43 Set header/footer
02:41:43 Set page orientation and size
02:41:43 Rename first worksheet
02:41:43 Create a second Worksheet object
02:41:43 Add some data
02:41:43 Set the worksheet tab color
02:41:43 Set alignments
02:41:43 Set column widths
02:41:43 Set fonts
02:41:43 Add a drawing to the worksheet
02:41:43 Set page orientation and size
02:41:43 Rename second worksheet
02:41:43 Write to CSV format

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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