posto auto field

// META BOX POSTO AUTO

add_action( 'add_meta_boxes', 'postoauto_select_box' );
function postoauto_select_box() {
    add_meta_box(
        'postoauto_select_box', // id, used as the html id att
        __( 'descrizione posto auto' ), // meta box title
        'postoauto_select_cb', // callback function, spits out the content
        'post', // post type or page. This adds to posts only
        'side', // context, where on the screen

    );

}

function postoauto_select_cb( $post ) {
    global $wpdb;
    $value = get_post_meta($post->ID, 'postoauto', true);


    $postiauto = array(

__('1 parking lot','sacconicase') => '1 posto auto',

__('1 parking space in the garage (normal car, no SUVs and minibuses) or sometimes outside','sacconicase') => ' 1 posto auto nel garage (per auto utilitarie, no Suv e minibus) o talvolta esterno ',

__('1 parking lot on request','sacconicase') => '1 posto auto su richiesta',

__('2 parking lots','sacconicase') => '2 posti auto',

__('garage for 2 cars','sacconicase') => 'garage per 2 auto',

__('garage on demand','sacconicase') => 'garage su richiesta',

__('garage','sacconicase') => 'garage',

__('parking area','sacconicase') => 'parcheggio',

__('private parking','sacconicase') => 'parcheggio privato',

__('public outdoor parking','sacconicase') => 'parcheggio pubblico',

__('private parking places outside','sacconicase') => 'posti auto privati esterni',

__('parking spaces reserved for the condominium\, parking space not guaranteed','sacconicase') => 'posti auto riservati al condominio, posto auto non garantito',

__('parking places','sacconicase') => 'posti auto',

__('parking place 50 m. away','sacconicase') => 'posto auto a 50 m.',

__('closed parking place','sacconicase') => 'posto auto chiuso',

__('parking in the yard','sacconicase') => 'posto auto in cortile',

__('no parking place','sacconicase') => 'posto auto non disponibile',


);


    echo '<select name="postoauto">';
    echo '<option value=""' . ((($value == '') || !isset($postiauto[$value])) ? ' selected="selected"' : '') . '> ----</option>';

    // output each description of the parking place as an option
    foreach ($postiauto as $id => $text) {
        echo '<option value="' . $id . '"' . (($value == $id) ? ' selected="selected"' : '') . '">' . $text. '</option>';
    }
    echo '</select>';


}

add_action( 'save_post', 'save_metadata_postoauto');

function save_metadata_postoauto($postid)
{
    if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) return false;
    if ( !current_user_can( 'edit_page', $postid ) ) return false;
    if( empty($postid) ) return false;


    if ( is_null($_REQUEST["postoauto"]) ) {
        delete_post_meta($postid, 'postoauto');
    } else {
        update_post_meta($postid, 'postoauto', $_REQUEST['postoauto']);
    }

}
// END META BOX POSTO AUTO