15:33:42 Create new PHPExcel object
15:33:42 Set document properties
15:33:42 Add some data
15:33:42 Add comments
15:33:42 Add rich-text string
15:33:42 Merge cells
15:33:42 Protect cells
15:33:42 Set cell number formats
15:33:42 Set column widths
15:33:42 Set fonts
15:33:42 Set alignments
15:33:42 Set thin black border outline around column
15:33:42 Set thick brown border outline around Total
15:33:42 Set fills
15:33:42 Set style for header row using alternative method
15:33:42 Unprotect a cell
15:33:42 Add a hyperlink to an external website
15:33:42 Add a hyperlink to another cell on a different worksheet within the workbook
15:33:42 Add a drawing to the worksheet
15:33:42 Add a drawing to the worksheet
15:33:42 Add a drawing to the worksheet
15:33:42 Play around with inserting and removing rows and columns
15:33:42 Set header/footer
15:33:42 Set page orientation and size
15:33:42 Rename first worksheet
15:33:42 Create a second Worksheet object
15:33:42 Add some data
15:33:42 Set the worksheet tab color
15:33:42 Set alignments
15:33:42 Set column widths
15:33:42 Set fonts
15:33:42 Add a drawing to the worksheet
15:33:42 Set page orientation and size
15:33:42 Rename second worksheet
15:33:42 Write to HTML format

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