11:34:55 Create new PHPExcel object
11:34:55 Set document properties
11:34:55 Add some data
11:34:55 Add comments
11:34:55 Add rich-text string
11:34:55 Merge cells
11:34:55 Protect cells
11:34:55 Set cell number formats
11:34:55 Set column widths
11:34:55 Set fonts
11:34:55 Set alignments
11:34:55 Set thin black border outline around column
11:34:55 Set thick brown border outline around Total
11:34:55 Set fills
11:34:55 Set style for header row using alternative method
11:34:55 Unprotect a cell
11:34:55 Add a hyperlink to an external website
11:34:55 Add a hyperlink to another cell on a different worksheet within the workbook
11:34:55 Add a drawing to the worksheet
11:34:55 Add a drawing to the worksheet
11:34:55 Add a drawing to the worksheet
11:34:55 Play around with inserting and removing rows and columns
11:34:55 Set header/footer
11:34:55 Set page orientation and size
11:34:55 Rename first worksheet
11:34:55 Create a second Worksheet object
11:34:55 Add some data
11:34:55 Set the worksheet tab color
11:34:55 Set alignments
11:34:55 Set column widths
11:34:55 Set fonts
11:34:55 Add a drawing to the worksheet
11:34:55 Set page orientation and size
11:34:55 Rename second worksheet
11:34:55 Write to HTML format

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Fatal error: Uncaught exception 'PHPExcel_Writer_Exception' with message 'Could not open file /var/www/html/duhback021224/vendor/phpoffice/phpexcel/Examples/17html.htm for writing.' in /var/www/html/duhback021224/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/HTML.php:161 Stack trace: #0 /var/www/html/duhback021224/vendor/phpoffice/phpexcel/Examples/17html.php(50): PHPExcel_Writer_HTML->save('/var/www/html/d...') #1 {main} thrown in /var/www/html/duhback021224/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/HTML.php on line 161