calculate values from a field and insert them into custom fields when publishing or updating post
You can achieve this using the save_post hook, this is a hook that fires once a post has been saved. Below is an example addressing what you want to achieve: function wpse253778_calculate_values( $post_id, $post ) { if ( ‘post’ !== $post->post_type ) return; $field = get_post_meta( $post_id, ‘FIELD_NAME’, true ); //get field value $new_field_value=””;//calculate new … Read more