20:41:27 Create new PHPExcel object
20:41:27 Set document properties
20:41:27 Add some data
20:41:27 Add comments
20:41:27 Add rich-text string
20:41:27 Merge cells
20:41:27 Protect cells
20:41:27 Set cell number formats
20:41:27 Set column widths
20:41:27 Set fonts
20:41:27 Set alignments
20:41:27 Set thin black border outline around column
20:41:27 Set thick brown border outline around Total
20:41:27 Set fills
20:41:27 Set style for header row using alternative method
20:41:27 Unprotect a cell
20:41:27 Add a hyperlink to the sheet
20:41:27 Add a drawing to the worksheet
20:41:27 Add a drawing to the worksheet
20:41:27 Add a drawing to the worksheet
20:41:27 Play around with inserting and removing rows and columns
20:41:27 Set header/footer
20:41:27 Set page orientation and size
20:41:27 Rename first worksheet
20:41:27 Create a second Worksheet object
20:41:27 Add some data
20:41:27 Set the worksheet tab color
20:41:27 Set alignments
20:41:27 Set column widths
20:41:27 Set fonts
20:41:27 Add a drawing to the worksheet
20:41:27 Set page orientation and size
20:41:27 Rename second worksheet
20:41:27 Write to HTML format

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Fatal error: Uncaught exception 'PHPExcel_Writer_Exception' with message 'Could not open file /var/www/sos_crash/symfony/vendor/phpoffice/phpexcel/Examples/17html.htm for writing.' in /var/www/sos_crash/symfony/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/HTML.php:166 Stack trace: #0 /var/www/sos_crash/symfony/vendor/phpoffice/phpexcel/Examples/17html.php(50): PHPExcel_Writer_HTML->save('/var/www/sos_cr...') #1 {main} thrown in /var/www/sos_crash/symfony/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/HTML.php on line 166