22:51:30 Create new PHPExcel object
22:51:30 Set document properties
22:51:30 Add some data
22:51:30 Add comments
22:51:30 Add rich-text string
22:51:30 Merge cells
22:51:30 Protect cells
22:51:30 Set cell number formats
22:51:30 Set column widths
22:51:30 Set fonts
22:51:30 Set alignments
22:51:30 Set thin black border outline around column
22:51:30 Set thick brown border outline around Total
22:51:30 Set fills
22:51:30 Set style for header row using alternative method
22:51:30 Unprotect a cell
22:51:30 Add a hyperlink to an external website
22:51:30 Add a hyperlink to another cell on a different worksheet within the workbook
22:51:30 Add a drawing to the worksheet
22:51:30 Add a drawing to the worksheet
22:51:30 Add a drawing to the worksheet
22:51:30 Play around with inserting and removing rows and columns
22:51:30 Set header/footer
22:51:30 Set page orientation and size
22:51:30 Rename first worksheet
22:51:30 Create a second Worksheet object
22:51:30 Add some data
22:51:30 Set the worksheet tab color
22:51:30 Set alignments
22:51:30 Set column widths
22:51:30 Set fonts
22:51:30 Add a drawing to the worksheet
22:51:30 Set page orientation and size
22:51:30 Rename second worksheet
22:51:30 Write to CSV format

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