13:54:37 Create new PHPExcel object
13:54:37 Set document properties
13:54:37 Add some data
13:54:37 Add comments
13:54:37 Add rich-text string
13:54:37 Merge cells
13:54:37 Protect cells
13:54:37 Set cell number formats
13:54:37 Set column widths
13:54:37 Set fonts
13:54:37 Set alignments
13:54:37 Set thin black border outline around column
13:54:37 Set thick brown border outline around Total
13:54:37 Set fills
13:54:37 Set style for header row using alternative method
13:54:37 Unprotect a cell
13:54:37 Add a hyperlink to an external website
13:54:37 Add a hyperlink to another cell on a different worksheet within the workbook
13:54:37 Add a drawing to the worksheet
13:54:37 Add a drawing to the worksheet
13:54:37 Add a drawing to the worksheet
13:54:37 Play around with inserting and removing rows and columns
13:54:37 Set header/footer
13:54:37 Set page orientation and size
13:54:37 Rename first worksheet
13:54:37 Create a second Worksheet object
13:54:37 Add some data
13:54:37 Set the worksheet tab color
13:54:37 Set alignments
13:54:37 Set column widths
13:54:37 Set fonts
13:54:37 Add a drawing to the worksheet
13:54:37 Set page orientation and size
13:54:37 Rename second worksheet
13:54:37 Write to CSV format

Warning: fopen(/var/www/sume_clientes/vendor/phpoffice/phpexcel/Examples/16csv.csv): failed to open stream: Permission denied in /var/www/sume_clientes/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/CSV.php on line 114

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