14:20:28 Create new PHPExcel object
14:20:28 Set document properties
14:20:28 Add some data
14:20:28 Add comments
14:20:28 Add rich-text string
14:20:28 Merge cells
14:20:28 Protect cells
14:20:28 Set cell number formats
14:20:28 Set column widths
14:20:28 Set fonts
14:20:28 Set alignments
14:20:28 Set thin black border outline around column
14:20:28 Set thick brown border outline around Total
14:20:28 Set fills
14:20:28 Set style for header row using alternative method
14:20:28 Unprotect a cell
14:20:28 Add a hyperlink to an external website
14:20:28 Add a hyperlink to another cell on a different worksheet within the workbook
14:20:28 Add a drawing to the worksheet
14:20:28 Add a drawing to the worksheet
14:20:28 Add a drawing to the worksheet
14:20:28 Play around with inserting and removing rows and columns
14:20:28 Set header/footer
14:20:28 Set page orientation and size
14:20:28 Rename first worksheet
14:20:28 Create a second Worksheet object
14:20:28 Add some data
14:20:28 Set the worksheet tab color
14:20:28 Set alignments
14:20:28 Set column widths
14:20:28 Set fonts
14:20:28 Add a drawing to the worksheet
14:20:28 Set page orientation and size
14:20:28 Rename second worksheet
14:20:28 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