11:37:28 Create new PHPExcel object
11:37:28 Set document properties
11:37:28 Add some data
11:37:28 Add comments
11:37:28 Add rich-text string
11:37:28 Merge cells
11:37:28 Protect cells
11:37:28 Set cell number formats
11:37:28 Set column widths
11:37:28 Set fonts
11:37:28 Set alignments
11:37:28 Set thin black border outline around column
11:37:28 Set thick brown border outline around Total
11:37:28 Set fills
11:37:28 Set style for header row using alternative method
11:37:28 Unprotect a cell
11:37:28 Add a hyperlink to an external website
11:37:28 Add a hyperlink to another cell on a different worksheet within the workbook
11:37:28 Add a drawing to the worksheet
11:37:28 Add a drawing to the worksheet
11:37:28 Add a drawing to the worksheet
11:37:28 Play around with inserting and removing rows and columns
11:37:28 Set header/footer
11:37:28 Set page orientation and size
11:37:28 Rename first worksheet
11:37:28 Create a second Worksheet object
11:37:28 Add some data
11:37:28 Set the worksheet tab color
11:37:28 Set alignments
11:37:28 Set column widths
11:37:28 Set fonts
11:37:28 Add a drawing to the worksheet
11:37:28 Set page orientation and size
11:37:28 Rename second worksheet
11:37:28 Write to Excel2007 format
11:37:28 File written to 05featuredemo.xlsx
Call time to write Workbook was 0.0181 seconds
11:37:28 Current memory usage: 2 MB
11:37:28 Write to Excel5 format
Fatal error: Uncaught Error: Call to undefined function imagepng() in /var/www/html/Bimo/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel5.php:484
Stack trace:
#0 /var/www/html/Bimo/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel5.php(148): PHPExcel_Writer_Excel5->_buildWorkbookEscher()
#1 /var/www/html/Bimo/vendor/phpoffice/phpexcel/Examples/05featuredemo.php(63): PHPExcel_Writer_Excel5->save('/var/www/html/B...')
#2 {main}
thrown in /var/www/html/Bimo/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel5.php on line 484