15:21:52 Create new PHPExcel object
15:21:52 Set document properties
15:21:52 Add some data
15:21:52 Add comments
15:21:52 Add rich-text string
15:21:52 Merge cells
15:21:52 Protect cells
15:21:52 Set cell number formats
15:21:52 Set column widths
15:21:52 Set fonts
15:21:52 Set alignments
15:21:52 Set thin black border outline around column
15:21:52 Set thick brown border outline around Total
15:21:52 Set fills
15:21:52 Set style for header row using alternative method
15:21:52 Unprotect a cell
15:21:52 Add a hyperlink to an external website
15:21:52 Add a hyperlink to another cell on a different worksheet within the workbook
15:21:52 Add a drawing to the worksheet
15:21:52 Add a drawing to the worksheet
15:21:52 Add a drawing to the worksheet
15:21:52 Play around with inserting and removing rows and columns
15:21:52 Set header/footer
15:21:52 Set page orientation and size
15:21:52 Rename first worksheet
15:21:52 Create a second Worksheet object
15:21:52 Add some data
15:21:52 Set the worksheet tab color
15:21:52 Set alignments
15:21:52 Set column widths
15:21:52 Set fonts
15:21:52 Add a drawing to the worksheet
15:21:52 Set page orientation and size
15:21:52 Rename second worksheet
15:21:52 Write to Excel5 format
Fatal error: Uncaught Error: Call to undefined function imagepng() in /var/www/html2/old_icheckinventory/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel5.php:470
Stack trace:
#0 /var/www/html2/old_icheckinventory/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel5.php(136): PHPExcel_Writer_Excel5->buildWorkbookEscher()
#1 /var/www/html2/old_icheckinventory/vendor/phpoffice/phpexcel/Examples/14excel5.php(48): PHPExcel_Writer_Excel5->save('/var/www/html2/...')
#2 {main}
thrown in /var/www/html2/old_icheckinventory/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel5.php on line 470