send_email.php

<?php
     // require "./worker/db_worker.php";
//     require_once ('/app/vendor/autoload.php');
    require 'vendor/autoload.php';
    

     class SendEmail{
    // use SendGrid\Mail\Mail;
     public static function SendMail($to,$subject,$content, $attachment_content){
        $key = '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';
        
         $email =  new \SendGrid\Mail\Mail();
         $email->setFrom("sundeepteki12@gmail.com","rtcamp");
         $email->setSubject($subject);
         $email->addTo($to);
         $email->addContent("text/html",$content);
         $sendgrid = new \SendGrid($key);
         
        // Attachment code
         $content = file_get_contents($attachment_content[0]);
         $attachment = new \SendGrid\Mail\Attachment();
         $attachment->setType("multipart/mixed");
         $attachment->setFilename($attachment_content[1].".png");
         $attachment->setContentId($attachment_content[1]);
         $attachment->setDisposition("attachment");
         $attachment->setContent($content);
        $email->addAttachment($attachment);
         try{
             $response = $sendgrid->send($email);
            echo "Mail sent successfully"; 
         }catch(Exception $e){
             echo 'Email exception Caught : '. $e->getMessage() ."\n";
             return false;
          }
    
// $sendgrid = new SendGrid($key);
// $email =  new \SendGrid\Mail\Mail();
// $email->addTo($to)
//       ->setFrom("sundeepteki12@gmail.com")
//       ->setSubject("Sending with SendGrid is Fun")
//       ->setHtml("and easy to do anywhere, even with PHP");

// $sendgrid->send($email);
      }
 }

?>