Tribe_Meta_Box::save_field_post2post( $post_id, $field, $old, $new )
Source
File: lib/tribe-meta-box.php
public function save_field_post2post( $post_id, $field, $old, $new ) { delete_post_meta( $post_id, $field['meta'] ); $new = (array) $new; $new = array_unique( $new ); foreach ( $new as $id ) { add_post_meta( $post_id, $field['meta'], $id ); } }