10:51:11 Create new PHPExcel object
10:51:11 Set document properties
10:51:11 Add some data
10:51:11 Add comments
10:51:11 Add rich-text string
10:51:11 Merge cells
10:51:11 Protect cells
10:51:11 Set cell number formats
10:51:11 Set column widths
10:51:11 Set fonts
10:51:11 Set alignments
10:51:11 Set thin black border outline around column
10:51:11 Set thick brown border outline around Total
10:51:11 Set fills
10:51:11 Set style for header row using alternative method
10:51:11 Unprotect a cell
10:51:11 Add a hyperlink to an external website
10:51:11 Add a hyperlink to another cell on a different worksheet within the workbook
10:51:11 Add a drawing to the worksheet
10:51:11 Add a drawing to the worksheet
10:51:11 Add a drawing to the worksheet
10:51:11 Play around with inserting and removing rows and columns
10:51:11 Set header/footer
10:51:11 Set page orientation and size
10:51:11 Rename first worksheet
10:51:11 Create a second Worksheet object
10:51:11 Add some data
10:51:11 Set the worksheet tab color
10:51:11 Set alignments
10:51:11 Set column widths
10:51:11 Set fonts
10:51:11 Add a drawing to the worksheet
10:51:11 Set page orientation and size
10:51:11 Rename second worksheet
10:51:11 Write to Excel2007 format
10:51:11 File written to 05featuredemo.xlsx
Call time to write Workbook was 0.0190 seconds
10:51:11 Current memory usage: 6 MB
10:51:11 Write to Excel5 format
Fatal error: Uncaught Error: Call to undefined function imagepng() in /var/www/html/TECORSA/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel5.php:484
Stack trace:
#0 /var/www/html/TECORSA/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel5.php(148): PHPExcel_Writer_Excel5->_buildWorkbookEscher()
#1 /var/www/html/TECORSA/vendor/phpoffice/phpexcel/Examples/05featuredemo.php(63): PHPExcel_Writer_Excel5->save('/var/www/html/T...')
#2 {main}
thrown in /var/www/html/TECORSA/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel5.php on line 484