05:53:17 Create new PHPExcel object
05:53:17 Set document properties
05:53:17 Add some data
05:53:17 Add comments
05:53:17 Add rich-text string
05:53:17 Merge cells
05:53:17 Protect cells
05:53:17 Set cell number formats
05:53:17 Set column widths
05:53:17 Set fonts
05:53:17 Set alignments
05:53:17 Set thin black border outline around column
05:53:17 Set thick brown border outline around Total
05:53:17 Set fills
05:53:17 Set style for header row using alternative method
05:53:17 Unprotect a cell
05:53:17 Add a hyperlink to an external website
05:53:17 Add a hyperlink to another cell on a different worksheet within the workbook
05:53:17 Add a drawing to the worksheet
05:53:17 Add a drawing to the worksheet
05:53:17 Add a drawing to the worksheet
05:53:17 Play around with inserting and removing rows and columns
05:53:17 Set header/footer
05:53:17 Set page orientation and size
05:53:17 Rename first worksheet
05:53:17 Create a second Worksheet object
05:53:17 Add some data
05:53:17 Set the worksheet tab color
05:53:17 Set alignments
05:53:17 Set column widths
05:53:17 Set fonts
05:53:17 Add a drawing to the worksheet
05:53:17 Set page orientation and size
05:53:17 Rename second worksheet
05:53:17 Write to HTML format

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