Come ottengo i post da più ID post?

Puoi utilizzare get_posts() poiché accettagli stessi argomenti di WP_Query.

Perpassargligli ID,utilizza 'post__in' => array(43,23,65) (accetta solo array).

Qualcosa come:

 $args = array(
    'post__in' => array(43,23,65)
);

$posts = get_posts($args);

foreach ($posts as $p) :
    //post!
endforeach;
 

Impostare anche post_typee posts_per_page soloper unabuonamisura.

You can use get_posts() as it takes the same arguments as WP_Query.

To pass it the IDs, use 'post__in' => array(43,23,65) (only takes arrays).

Something like:

$args = array(
    'post__in' => array(43,23,65)
);

$posts = get_posts($args);

foreach ($posts as $p) :
    //post!
endforeach;

I'd also set the post_type and posts_per_page just for good measure.

Senon riesci afarfunzionare quanto sopra,assicurati di aggiungere post_type:

 $args = array(
    'post_type' => 'pt_case_study',
    'post__in' => array(2417, 2112, 784)
);

$posts = get_posts($args);
 

If you can't get the above to work, make sure you add post_type:

$args = array(
    'post_type' => 'pt_case_study',
    'post__in' => array(2417, 2112, 784)
);

$posts = get_posts($args);