public function isAttachment()
    {
        $type = $this->getType();

        switch ($type) {
        case 'application/ms-tnef':
        case 'application/pgp-keys':
        case 'application/vnd.ms-tnef':
            return false;
        }

        if ($this->parent) {
            switch ($this->parent->getType()) {
            case 'multipart/encrypted':
                switch ($type) {
                case 'application/octet-stream':
                    return false;
                }
                break;

            case 'multipart/signed':
                switch ($type) {
                case 'application/pgp-signature':
                case 'application/pkcs7-signature':
                case 'application/x-pkcs7-signature':
                    return false;
                }
                break;
            }
        }

        switch ($this->getDisposition()) {
        case 'attachment':
            return true;
        }

        switch ($this->getPrimaryType()) {
        case 'application':
            if (strlen($this->getName())) {
                return true;
            }
            break;

        case 'audio':
        case 'video':
            return true;

        case 'multipart':
            return false;
        }

        return false;
    }
public function isAttachment()
    {
        $type = $this->getType();

        switch ($type) {
        case 'application/ms-tnef':
        case 'application/pgp-keys':
        case 'application/vnd.ms-tnef':
            return false;
        }

        if ($this->parent) {
            switch ($this->parent->getType()) {
            case 'multipart/encrypted':
                switch ($type) {
                case 'application/octet-stream':
                    return false;
                }
                break;

            case 'multipart/signed':
                switch ($type) {
                case 'application/pgp-signature':
                case 'application/pkcs7-signature':
                case 'application/x-pkcs7-signature':
                    return false;
                }
                break;
            }
        }

        switch ($this->getDisposition()) {
        case 'attachment':
            return true;
        }

        switch ($this->getPrimaryType()) {
        case 'application':
            if (strlen($this->getName())) {
                return true;
            }
            break;

        case 'audio':
        case 'video':
            return true;

        case 'multipart':
            return false;
        }

        return false;
    }
public function isAttachment ( ) { $ type = $ this -> getType ( ) ; switch ( $ type ) { case 'application/ms-tnef' : case 'application/pgp-keys' : case 'application/vnd.ms-tnef' : return false ; } if ( $ this -> parent ) { switch ( $ this -> parent -> getType ( ) ) { case 'multipart/encrypted' : switch ( $ type ) { case 'application/octet-stream' : return false ; } break ; case 'multipart/signed' : switch ( $ type ) { case 'application/pgp-signature' : case 'application/pkcs7-signature' : case 'application/x-pkcs7-signature' : return false ; } break ; } } switch ( $ this -> getDisposition ( ) ) { case 'attachment' : return true ; } switch ( $ this -> getPrimaryType ( ) ) { case 'application' : if ( strlen ( $ this -> getName ( ) ) ) { return true ; } break ; case 'audio' : case 'video' : return true ; case 'multipart' : return false ; } return false ; }
Determines if this MIME part is an attachment for display purposes.

@since Horde_Mime 2.10.0

@return boolean  True if this part should be considered an attachment.
Determines if this MIME part is an attachment for display purposes .