14:55:16 Create new PHPExcel object
14:55:16 Set document properties
14:55:16 Add some data
14:55:16 Add comments
14:55:16 Add rich-text string
14:55:16 Merge cells
14:55:16 Protect cells
14:55:16 Set cell number formats
14:55:16 Set column widths
14:55:16 Set fonts
14:55:16 Set alignments
14:55:16 Set thin black border outline around column
14:55:16 Set thick brown border outline around Total
14:55:16 Set fills
14:55:16 Set style for header row using alternative method
14:55:16 Unprotect a cell
14:55:16 Add a hyperlink to an external website
14:55:16 Add a hyperlink to another cell on a different worksheet within the workbook
14:55:16 Add a drawing to the worksheet
14:55:16 Add a drawing to the worksheet
14:55:16 Add a drawing to the worksheet
14:55:16 Play around with inserting and removing rows and columns
14:55:16 Set header/footer
14:55:16 Set page orientation and size
14:55:16 Rename first worksheet
14:55:16 Create a second Worksheet object
14:55:16 Add some data
14:55:16 Set the worksheet tab color
14:55:16 Set alignments
14:55:16 Set column widths
14:55:16 Set fonts
14:55:16 Add a drawing to the worksheet
14:55:16 Set page orientation and size
14:55:16 Rename second worksheet
14:55:16 Write to HTML format

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