12:51:11 Create new PHPExcel object
12:51:11 Set document properties
12:51:11 Add some data
12:51:11 Add comments
12:51:11 Add rich-text string
12:51:11 Merge cells
12:51:11 Protect cells
12:51:11 Set cell number formats
12:51:11 Set column widths
12:51:11 Set fonts
12:51:11 Set alignments
12:51:11 Set thin black border outline around column
12:51:11 Set thick brown border outline around Total
12:51:11 Set fills
12:51:11 Set style for header row using alternative method
12:51:11 Unprotect a cell
12:51:11 Add a hyperlink to an external website
12:51:11 Add a hyperlink to another cell on a different worksheet within the workbook
12:51:11 Add a drawing to the worksheet
12:51:11 Add a drawing to the worksheet
12:51:11 Add a drawing to the worksheet
12:51:11 Play around with inserting and removing rows and columns
12:51:11 Set header/footer
12:51:11 Set page orientation and size
12:51:11 Rename first worksheet
12:51:11 Create a second Worksheet object
12:51:11 Add some data
12:51:11 Set the worksheet tab color
12:51:11 Set alignments
12:51:11 Set column widths
12:51:11 Set fonts
12:51:11 Add a drawing to the worksheet
12:51:11 Set page orientation and size
12:51:11 Rename second worksheet
12:51:11 Write to Excel2007 format
12:51:11 File written to 05featuredemo.xlsx
Call time to write Workbook was 0.0062 seconds
12:51:11 Current memory usage: 2 MB
12:51:11 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