18:40:44 Create new PHPExcel object
18:40:44 Set document properties
18:40:44 Add some data
18:40:44 Add comments
18:40:44 Add rich-text string
18:40:44 Merge cells
18:40:44 Protect cells
18:40:44 Set cell number formats
18:40:44 Set column widths
18:40:44 Set fonts
18:40:44 Set alignments
18:40:44 Set thin black border outline around column
18:40:44 Set thick brown border outline around Total
18:40:44 Set fills
18:40:44 Set style for header row using alternative method
18:40:44 Unprotect a cell
18:40:44 Add a hyperlink to an external website
18:40:44 Add a hyperlink to another cell on a different worksheet within the workbook
18:40:44 Add a drawing to the worksheet
18:40:44 Add a drawing to the worksheet
18:40:44 Add a drawing to the worksheet
18:40:44 Play around with inserting and removing rows and columns
18:40:44 Set header/footer
18:40:44 Set page orientation and size
18:40:44 Rename first worksheet
18:40:44 Create a second Worksheet object
18:40:44 Add some data
18:40:44 Set the worksheet tab color
18:40:44 Set alignments
18:40:44 Set column widths
18:40:44 Set fonts
18:40:44 Add a drawing to the worksheet
18:40:44 Set page orientation and size
18:40:44 Rename second worksheet
18:40:44 Write to Excel2007 format
18:40:44 File written to 05featuredemo.xlsx
Call time to write Workbook was 0.0123 seconds
18:40:44 Current memory usage: 2 MB
18:40:44 Write to Excel5 format
Fatal error: Uncaught Error: Call to undefined function imagepng() in /var/www/html/vavai-email-verify/PHPExcel/Classes/PHPExcel/Writer/Excel5.php:470
Stack trace:
#0 /var/www/html/vavai-email-verify/PHPExcel/Classes/PHPExcel/Writer/Excel5.php(136): PHPExcel_Writer_Excel5->buildWorkbookEscher()
#1 /var/www/html/vavai-email-verify/PHPExcel/Examples/05featuredemo.php(63): PHPExcel_Writer_Excel5->save('/var/www/html/v...')
#2 {main}
thrown in /var/www/html/vavai-email-verify/PHPExcel/Classes/PHPExcel/Writer/Excel5.php on line 470