22:30:50 Create new PHPExcel object
22:30:50 Set document properties
22:30:50 Add some data
22:30:50 Add comments
22:30:50 Add rich-text string
22:30:50 Merge cells
22:30:50 Protect cells
22:30:50 Set cell number formats
22:30:50 Set column widths
22:30:50 Set fonts
22:30:50 Set alignments
22:30:50 Set thin black border outline around column
22:30:50 Set thick brown border outline around Total
22:30:50 Set fills
22:30:50 Set style for header row using alternative method
22:30:50 Unprotect a cell
22:30:50 Add a hyperlink to an external website
22:30:50 Add a hyperlink to another cell on a different worksheet within the workbook
22:30:50 Add a drawing to the worksheet
22:30:50 Add a drawing to the worksheet
22:30:50 Add a drawing to the worksheet
22:30:50 Play around with inserting and removing rows and columns
22:30:50 Set header/footer
22:30:50 Set page orientation and size
22:30:50 Rename first worksheet
22:30:50 Create a second Worksheet object
22:30:50 Add some data
22:30:50 Set the worksheet tab color
22:30:50 Set alignments
22:30:50 Set column widths
22:30:50 Set fonts
22:30:50 Add a drawing to the worksheet
22:30:50 Set page orientation and size
22:30:50 Rename second worksheet
22:30:50 Write to Excel5 format
Fatal error: Uncaught Error: Call to undefined function imagepng() in /var/www/serami/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel5.php:484
Stack trace:
#0 /var/www/serami/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel5.php(148): PHPExcel_Writer_Excel5->_buildWorkbookEscher()
#1 /var/www/serami/html/vendor/phpoffice/phpexcel/Examples/14excel5.php(48): PHPExcel_Writer_Excel5->save('/var/www/serami...')
#2 {main}
thrown in /var/www/serami/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel5.php on line 484