13:53:34 Create new PHPExcel object
13:53:34 Set document properties
13:53:34 Add some data
13:53:34 Add comments
13:53:34 Add rich-text string
13:53:34 Merge cells
13:53:34 Protect cells
13:53:34 Set cell number formats
13:53:34 Set column widths
13:53:34 Set fonts
13:53:34 Set alignments
13:53:34 Set thin black border outline around column
13:53:34 Set thick brown border outline around Total
13:53:34 Set fills
13:53:34 Set style for header row using alternative method
13:53:34 Unprotect a cell
13:53:34 Add a hyperlink to an external website
13:53:34 Add a hyperlink to another cell on a different worksheet within the workbook
13:53:34 Add a drawing to the worksheet
13:53:34 Add a drawing to the worksheet
13:53:34 Add a drawing to the worksheet
13:53:34 Play around with inserting and removing rows and columns
13:53:34 Set header/footer
13:53:34 Set page orientation and size
13:53:34 Rename first worksheet
13:53:34 Create a second Worksheet object
13:53:34 Add some data
13:53:34 Set the worksheet tab color
13:53:34 Set alignments
13:53:34 Set column widths
13:53:34 Set fonts
13:53:34 Add a drawing to the worksheet
13:53:34 Set page orientation and size
13:53:34 Rename second worksheet
13:53:34 Write to HTML format

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Fatal error: Uncaught PHPExcel_Writer_Exception: Could not open file /var/www/html/vendor/phpoffice/phpexcel/Examples/17html.htm for writing. in /var/www/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/HTML.php:166 Stack trace: #0 /var/www/html/vendor/phpoffice/phpexcel/Examples/17html.php(50): PHPExcel_Writer_HTML->save('/var/www/html/v...') #1 {main} thrown in /var/www/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/HTML.php on line 166