404 redirect to random postID with a pool of selected posts

  • Hi, I was searching for a solution to randomly redirect all my 404 urls to a selected pool of posts, but can’t find any. I am only able to find this coding below which will redirect 404 urls to a specify post/page.

    This is added to the function.php

    /** 404 redirect */
    add_action( ‘template_redirect’, ‘custom_redirect’, 1 );
    function custom_redirect() {
    $direction = get_permalink( 1 ); // Or whatever the page_id is …
    if ( is_404() ) wp_redirect( $direction );
    }

    What if I would like the 404 urls to randomly redirect among 3 posts (id 1,2,3), how should I modify the code to achieve this?

    Any advise would be appreciated… Thanks..

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