function translate_imap_body($body, $encoding) {
    switch($encoding) {
        //case 0: return quoted_printable_decode($body); break;
        case 0: return imap_qprint($body); break;
        case 1: return $body; break;
        case 2: return $body; break;
        case 3: return /*base64_decode(*/imap_qprint($body); break;
        case 4: return quoted_printable_decode($body); break;
        case 5: return $body; break;
        default: return $body; break;
        
    }
    
}

print(translate_imap_body($message, $structure->{'encoding'}));