06:36:41 Create new PHPExcel object
06:36:41 Set document properties
06:36:41 Add some data
06:36:41 Add comments
06:36:41 Add rich-text string
06:36:41 Merge cells
06:36:41 Protect cells
06:36:41 Set cell number formats
06:36:41 Set column widths
06:36:41 Set fonts
06:36:41 Set alignments
06:36:41 Set thin black border outline around column
06:36:41 Set thick brown border outline around Total
06:36:41 Set fills
06:36:41 Set style for header row using alternative method
06:36:41 Unprotect a cell
06:36:41 Add a hyperlink to an external website
06:36:41 Add a hyperlink to another cell on a different worksheet within the workbook
06:36:41 Add a drawing to the worksheet
06:36:41 Add a drawing to the worksheet
06:36:41 Add a drawing to the worksheet
06:36:41 Play around with inserting and removing rows and columns
06:36:41 Set header/footer
06:36:41 Set page orientation and size
06:36:41 Rename first worksheet
06:36:41 Create a second Worksheet object
06:36:41 Add some data
06:36:41 Set the worksheet tab color
06:36:41 Set alignments
06:36:41 Set column widths
06:36:41 Set fonts
06:36:41 Add a drawing to the worksheet
06:36:41 Set page orientation and size
06:36:41 Rename second worksheet
06:36:41 Write to CSV format

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Fatal error: Uncaught PHPExcel_Writer_Exception: Could not open file /var/www/html/vendor/phpoffice/phpexcel/Examples/16csv.csv for writing. in /var/www/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/CSV.php:113 Stack trace: #0 /var/www/html/vendor/phpoffice/phpexcel/Examples/16csv.php(51): PHPExcel_Writer_CSV->save('/var/www/html/v...') #1 {main} thrown in /var/www/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/CSV.php on line 113