16:16:53 Create new PHPExcel object
16:16:53 Set document properties
16:16:53 Add some data
16:16:53 Add comments
16:16:53 Add rich-text string
16:16:53 Merge cells
16:16:53 Protect cells
16:16:53 Set cell number formats
16:16:53 Set column widths
16:16:53 Set fonts
16:16:53 Set alignments
16:16:53 Set thin black border outline around column
16:16:53 Set thick brown border outline around Total
16:16:53 Set fills
16:16:53 Set style for header row using alternative method
16:16:53 Unprotect a cell
16:16:53 Add a hyperlink to an external website
16:16:53 Add a hyperlink to another cell on a different worksheet within the workbook
16:16:53 Add a drawing to the worksheet
16:16:53 Add a drawing to the worksheet
16:16:53 Add a drawing to the worksheet
16:16:53 Play around with inserting and removing rows and columns
16:16:53 Set header/footer
16:16:53 Set page orientation and size
16:16:53 Rename first worksheet
16:16:53 Create a second Worksheet object
16:16:53 Add some data
16:16:53 Set the worksheet tab color
16:16:53 Set alignments
16:16:53 Set column widths
16:16:53 Set fonts
16:16:53 Add a drawing to the worksheet
16:16:53 Set page orientation and size
16:16:53 Rename second worksheet
16:16:53 Write to Excel5 format
Fatal error: Uncaught Error: Call to undefined function imagepng() in /var/www/sistema-de-pensoes/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel5.php:484
Stack trace:
#0 /var/www/sistema-de-pensoes/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel5.php(148): PHPExcel_Writer_Excel5->_buildWorkbookEscher()
#1 /var/www/sistema-de-pensoes/html/vendor/phpoffice/phpexcel/Examples/14excel5.php(48): PHPExcel_Writer_Excel5->save('/var/www/sistem...')
#2 {main}
thrown in /var/www/sistema-de-pensoes/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel5.php on line 484