Get parent page url to show up when it is in child pages
<?php global $post; if ( $post->post_parent ) { ?> <a href="<?php echo get_permalink( $post->post_parent ); ?>" > <?php echo get_the_title( $post->post_parent ); ?> </a> <?php } ?>
<?php global $post; if ( $post->post_parent ) { ?> <a href="<?php echo get_permalink( $post->post_parent ); ?>" > <?php echo get_the_title( $post->post_parent ); ?> </a> <?php } ?>