Admin page repeatable fields
Try this one http://jsfiddle.net/jaredwilli/tZPg4/4/ and use array so input should be something like this <input type=”text” name=”data[1][time][start]”> <input type=”text” name=”data[1][time][end]”> <input type=”text” name=”data[2][time][start]”> <input type=”text” name=”data[2][time][end]”> …. then save data as array update_post_meta($post_id, ‘field_name’, $_POST[‘data’]);