PHPMailer::addStringEmbeddedImage( string $string, string $cid, string $name = '', string $encoding = self::ENCODING_BASE64, string $type = '', string $disposition = 'inline' ): bool

3889    public function addStringEmbeddedImage(3890        $string,3891        $cid,3892        $name = '',3893        $encoding = self::ENCODING_BASE64,3894        $type = '',3895        $disposition = 'inline'3896    ) {3897        try {3898            //If a MIME type is not specified, try to work it out from the name3899            if ('' === $type && !empty($name)) {3900                $type = static::filenameToType($name);3901            }3902 3903            if (!$this->validateEncoding($encoding)) {3904                throw new Exception($this->lang('encoding') . $encoding);3905            }3906 3907            //Append to $attachment array3908            $this->attachment[] = [3909                0 => $string,3910                1 => $name,3911                2 => $name,3912                3 => $encoding,3913                4 => $type,3914                5 => true, //isStringAttachment3915                6 => $disposition,3916                7 => $cid,3917            ];3918        } catch (Exception $exc) {3919            $this->setError($exc->getMessage());3920            $this->edebug($exc->getMessage());3921            if ($this->exceptions) {3922                throw $exc;3923            }3924 3925            return false;3926        }3927 3928        return true;3929    }