20:59:24 Create new PHPExcel object
20:59:24 Set document properties
20:59:24 Add some data
20:59:24 Add comments
20:59:24 Add rich-text string
20:59:24 Merge cells
20:59:24 Protect cells
20:59:24 Set cell number formats
20:59:24 Set column widths
20:59:24 Set fonts
20:59:24 Set alignments
20:59:24 Set thin black border outline around column
20:59:24 Set thick brown border outline around Total
20:59:24 Set fills
20:59:24 Set style for header row using alternative method
20:59:24 Unprotect a cell
20:59:24 Add a hyperlink to an external website
20:59:24 Add a hyperlink to another cell on a different worksheet within the workbook
20:59:24 Add a drawing to the worksheet
20:59:24 Add a drawing to the worksheet
20:59:24 Add a drawing to the worksheet
20:59:24 Play around with inserting and removing rows and columns
20:59:24 Set header/footer
20:59:24 Set page orientation and size
20:59:24 Rename first worksheet
20:59:24 Create a second Worksheet object
20:59:24 Add some data
20:59:24 Set the worksheet tab color
20:59:24 Set alignments
20:59:24 Set column widths
20:59:24 Set fonts
20:59:24 Add a drawing to the worksheet
20:59:24 Set page orientation and size
20:59:24 Rename second worksheet
20:59:24 Write to HTML format

Warning: fopen(/var/www/html/posystem/back-end-08-5-bkp/vendor/phpoffice/phpexcel/Examples/17html.htm): failed to open stream: Permission denied in /var/www/html/posystem/back-end-08-5-bkp/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/HTML.php on line 159

Fatal error: Uncaught PHPExcel_Writer_Exception: Could not open file /var/www/html/posystem/back-end-08-5-bkp/vendor/phpoffice/phpexcel/Examples/17html.htm for writing. in /var/www/html/posystem/back-end-08-5-bkp/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/HTML.php:161 Stack trace: #0 /var/www/html/posystem/back-end-08-5-bkp/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-08-5-bkp/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/HTML.php on line 161