Profile: JosV9233

/**
* Add an auto-incrementing ordernummer field to telorder posts
*/
function auto_assign_ids( $post_id, $post, $update ) {
  if( $update == false ) {
    // Only assign ID to new telorder posts
    if ( $post->post_type == 'telorder' ) {
 
      // get the most recent telorder post
      $telorder_args = array(
      'numberposts' => 1,
      'post_type' => 'telorder',
      'orderby' => 'post_date',
      'order' => 'DESC'
      );
      $telorders = get_posts( $telorder_args );
 
      // get the project_id of the prior post
      $last_id = isset($telorders[0]) ? get_post_meta( $telorders[0]->ID, 'wpcf-ordernummer', true ) : 0;
 
      // increment
      $last_id++;
 
      // set the project_id of the current post
      update_post_meta( $post_id, 'wpcf-ordernummer', $last_id );
 
    }
  }
 
}
add_action( 'save_post', 'auto_assign_ids', 100, 3 );