UAE Post Duplicate

//Use it in the functions.php file
//Displaying duplicate posts is the expected behavior of the WordPress query, here we have managed it by applying the tweak.

function prefix_start_session() {
    if( !session_id() ) {
        session_start();
    }
}
add_action( 'init', 'prefix_start_session' );

function get_random_post() {
    if ( !isset( $_SESSION['random'] ) ) {
        $_SESSION['random'] = rand();
    }
    return $_SESSION['random'];
}

add_action('uael_posts_query_args', function($query){
    $query['orderby'] = 'rand(' . get_random_post() . ')';
    return $query;
});