12:07:28 Create new PHPExcel object
12:07:28 Set document properties
12:07:28 Add some data
12:07:28 Add comments
12:07:28 Add rich-text string
12:07:28 Merge cells
12:07:28 Protect cells
12:07:28 Set cell number formats
12:07:28 Set column widths
12:07:28 Set fonts
12:07:28 Set alignments
12:07:28 Set thin black border outline around column
12:07:28 Set thick brown border outline around Total
12:07:28 Set fills
12:07:28 Set style for header row using alternative method
12:07:28 Unprotect a cell
12:07:28 Add a hyperlink to an external website
12:07:28 Add a hyperlink to another cell on a different worksheet within the workbook
12:07:28 Add a drawing to the worksheet
12:07:28 Add a drawing to the worksheet
12:07:28 Add a drawing to the worksheet
12:07:28 Play around with inserting and removing rows and columns
12:07:28 Set header/footer
12:07:28 Set page orientation and size
12:07:28 Rename first worksheet
12:07:28 Create a second Worksheet object
12:07:28 Add some data
12:07:28 Set the worksheet tab color
12:07:28 Set alignments
12:07:28 Set column widths
12:07:28 Set fonts
12:07:28 Add a drawing to the worksheet
12:07:28 Set page orientation and size
12:07:28 Rename second worksheet
12:07:28 Write to CSV format

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