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Home Forums Backend Issues (wp-admin) Use post title as default value Reply To: Use post title as default value

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    add_action('acf/save_post', 'maybe_copy_title_to_field', 20);
    function maybe_copy_title_to_field($post_id) {
      $value = get_field('custom_field_name', $post_id);
      if (!$value) {
        $value = get_the_title($post_id);
        update_field('custom_field_name', $value, $post_id);
      }
    }