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How to check a box when saving a post?

  • I have two checkboxes on a post and I’m looking for a way to check a selected box when saving a post.

    The two checkboxes are under ‘status_active’ and the checkbox is called ‘status_locked’ and I’m looking for a way to check ‘status_locked’ in ‘status_active’ when saving the post.

    I guess the best way would be to update the field and save it as ‘TRUE’?

    Code so far:

    function post_extra_save( $post_id, $post){
        global $pagenow;
        if ($pagenow == 'post.php') {
                if (! in_array( 'status_locked', get_field('status_active', $post_id) )) {
    add_action( 'save_post', 'post_extra_save', 10, 2 );
  • It it is a checkbox field then you need to update it with an array of the values you want checked, each value is not stored separately.

    $status_active = get_field('status_active', $post_id);
    if (!in_array('status_locked', $status_active)) {
      $status_active[] = 'status_locked';
      update_field('status_active', $status_active, $post_id);
  • What if there’s multiple choices?

    $status_active = get_field('breaking_news_status', $post_id) == 'active';
                    if (!in_array('breaking_news_status', $status_active)) {
                        $status_active[] = 'status_locked';
                        update_field('breaking_news_status', $status_active, $post_id);
  • never mind, figured it out

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