这直接来自the ACF documentation:

/*
*  Order Posts based on Date Picker value
*  this example expects the value to be saved in the format: yymmdd (JS) = Ymd (PHP)
*/

$posts = get_posts(array(
    \'meta_key\' => \'custom_order\', // name of custom field
    \'orderby\' => \'meta_value_num\',
    \'order\' => \'ASC\'
));

if( $posts )
{
    foreach( $posts as $post )
    {
        setup_postdata( $post );

        // ...

    }

    wp_reset_postdata(); // IMPORTANT - reset the $post object so the rest of the page works correctly
}

这直接来自the ACF documentation:

/*
*  Order Posts based on Date Picker value
*  this example expects the value to be saved in the format: yymmdd (JS) = Ymd (PHP)
*/

$posts = get_posts(array(
    \'meta_key\' => \'custom_order\', // name of custom field
    \'orderby\' => \'meta_value_num\',
    \'order\' => \'ASC\'
));

if( $posts )
{
    foreach( $posts as $post )
    {
        setup_postdata( $post );

        // ...

    }

    wp_reset_postdata(); // IMPORTANT - reset the $post object so the rest of the page works correctly
}