如果将两个输入字段的内容保存到一个post\\u元值中，则可以立即调用它们。

In the save_post action

$text = esc_attr( $_POST[\'text\'] );
$select = esc_attr( $_POST[\'select\'] );

// saves the value as "text select"
$combined = trim( sprintf( \'%1$s %2$s\', $text, $select ) ); 

update_post_meta( $post_id, \'The_ID\', $combined );

Get Post Meta

if ( $the_id = get_post_meta( $post->ID, \'The_ID\', true ) )
    echo $the_id;

In the save_post action

$text = esc_attr( $_POST[\'text\'] );
$select = esc_attr( $_post[\'select\'] );

$combined = serialize( array(
    \'text\' => $text,
    \'select\' => $select
) );

update_post_meta( $post_id, \'The_ID\', $combined );

Get Post Meta

if ( $the_id = get_post_meta( $post->ID, \'The_ID\', true ) )
    $the_id = unserialize( $the_id );