15:19:15 Create new PHPExcel object
15:19:15 Set document properties
15:19:15 Add some data
15:19:15 Add comments
15:19:15 Add rich-text string
15:19:15 Merge cells
15:19:15 Protect cells
15:19:15 Set cell number formats
15:19:15 Set column widths
15:19:15 Set fonts
15:19:15 Set alignments
15:19:15 Set thin black border outline around column
15:19:15 Set thick brown border outline around Total
15:19:15 Set fills
15:19:15 Set style for header row using alternative method
15:19:15 Unprotect a cell
15:19:15 Add a hyperlink to an external website
15:19:15 Add a hyperlink to another cell on a different worksheet within the workbook
15:19:15 Add a drawing to the worksheet
15:19:15 Add a drawing to the worksheet
15:19:15 Add a drawing to the worksheet
15:19:15 Play around with inserting and removing rows and columns
15:19:15 Set header/footer
15:19:15 Set page orientation and size
15:19:15 Rename first worksheet
15:19:15 Create a second Worksheet object
15:19:15 Add some data
15:19:15 Set the worksheet tab color
15:19:15 Set alignments
15:19:15 Set column widths
15:19:15 Set fonts
15:19:15 Add a drawing to the worksheet
15:19:15 Set page orientation and size
15:19:15 Rename second worksheet
15:19:15 Write to Excel2007 format
15:19:15 File written to 05featuredemo.xlsx
Call time to write Workbook was 0.0117 seconds
15:19:15 Current memory usage: 2 MB
15:19:15 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/05featuredemo.php(63): 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