[ACF Random Gallery Post - Step 1] #tutorials #acf_random_gallery

ACF-random-gallery-step-1.php

//Create a new WP_query to get all the posts from the 'gallery' custom post type
$args = array( 'post_type' => 'gallery', 'posts_per_page' => -1 );

$posts_query = new WP_Query($args);

// Setup the variable to hold the array for ALL IDs of all galleries
$galleries = array();

// Using our new WP_query, loop through galleries, and add each ID to the $galleries array
while ($posts_query->have_posts()) {
    $posts_query->the_post();
    $galleries[] = strval( get_the_ID() );
}

// Do a final reset so we can continue below
wp_reset_postdata();