function Get_Post_Number($postID){
                                        $temp_query = $wp_query;
                                        $postNumberQuery = new WP_Query(array ( 'orderby' => 'date', 'order' => 'ASC', 'post_type' => 'project','posts_per_page' => '-1' ));
                                        $counter = 1;
                                        $postCount = 0;
                                        if($postNumberQuery->have_posts()) :
                                        while ($postNumberQuery->have_posts()) : $postNumberQuery->the_post();
                                        if ($postID == get_the_ID()){
                                        $postCount = $counter;
                                        } else {
                                        $counter++;
                                        }
                                        endwhile; endif;
                                        wp_reset_query();
                                        $wp_query = $temp_query;
                                        return $postCount;
                                }?>


                                <?php $currentID = get_the_ID(); ?>
                                <?php $currentNumber = Get_Post_Number($currentID); ?>

                                <?php echo $currentNumber." /"; ?>