How to export google chart in pdf?

Question

I have draw google chart. Now, I want to put button to save the chart in pdf format. I do look from here Save google charts as pdf and other questions available in stack but

Answer 1

You can use Mpdf to create pdf of google chart with store images,

Step 1. create.php

Use google method chart.getImageURI() to get image url then store into the variable after using jquery to submit form.

      
      
        
        
          

        

      

          

          

      
          

             

              
              Create PDF
             
            

      

      
      

step 2. createchartpdf.php

Get HTML data to get images url and store into the images folder, and then retrieve images and content.

print into pdf using mpdf. This is work with live server to print images.

        loadHTML($html);
            $tags = $doc->getElementsByTagName('img');
            $i=1;
            $result='';
            foreach ($tags as $tag) {
                $file_name = 'images/google_chart'.$i.'.png';
                    $img_Src=$tag->getAttribute('src');
                        file_put_contents($file_name, file_get_contents($img_Src));
                $res= '';
                $result.=$res;
              $i++;
            }

            //include make_pdf
            include("mpdf60/mpdf.php");
            $mpdf=new mPDF();

            $mpdf->allow_charset_conversion = true;
            $mpdf->SetDisplayMode('fullpage');

            $mpdf->list_indent_first_level = 0; // 1 or 0 - whether to indent the first level of a list
            $mpdf->WriteHTML($result);
            $mpdf->Output();
        }

        ?>