00:56:42 Create new PHPExcel object
00:56:42 Set document properties
00:56:42 Add some data
00:56:42 Add comments
00:56:42 Add rich-text string
00:56:42 Merge cells
00:56:42 Protect cells
00:56:42 Set cell number formats
00:56:42 Set column widths
00:56:42 Set fonts
00:56:42 Set alignments
00:56:42 Set thin black border outline around column
00:56:42 Set thick brown border outline around Total
00:56:42 Set fills
00:56:42 Set style for header row using alternative method
00:56:42 Unprotect a cell
00:56:42 Add a hyperlink to an external website
00:56:42 Add a hyperlink to another cell on a different worksheet within the workbook
00:56:42 Add a drawing to the worksheet
00:56:42 Add a drawing to the worksheet
00:56:42 Add a drawing to the worksheet
00:56:42 Play around with inserting and removing rows and columns
00:56:42 Set header/footer
00:56:42 Set page orientation and size
00:56:42 Rename first worksheet
00:56:42 Create a second Worksheet object
00:56:42 Add some data
00:56:42 Set the worksheet tab color
00:56:42 Set alignments
00:56:42 Set column widths
00:56:42 Set fonts
00:56:42 Add a drawing to the worksheet
00:56:42 Set page orientation and size
00:56:42 Rename second worksheet
00:56:42 Write to CSV format

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Fatal error: Uncaught PHPExcel_Writer_Exception: Could not open file /var/www/html/posystem/back-end/vendor/phpoffice/phpexcel/Examples/16csv.csv for writing. in /var/www/html/posystem/back-end/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/CSV.php:116 Stack trace: #0 /var/www/html/posystem/back-end/vendor/phpoffice/phpexcel/Examples/16csv.php(50): PHPExcel_Writer_CSV->save('/var/www/html/p...') #1 {main} thrown in /var/www/html/posystem/back-end/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/CSV.php on line 116