Get parent page url to show up when it is in child pages

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The question:

I would like to ask that, how to get the link back to parent page when i’m in the child pages? I would rather to use a proper link instead of <a href="javascript:history.back()" rel="nofollow noreferrer noopener">Go Back</a> method.

Question & Example:
How can i get the link of 2nd level child page when i’m in 3rd level child page?

Home > Parent Page > 1st Level Child Page > 2nd Level Child Page > 3rd Level Child Page

Home > Parent Page > 1st Level Child Page(this page link show up) > Current Page

Home > Parent Page(this page link show up) > Current Page

Updated line:
I have added these three examples above for better explain in what i’m trying to ask.

This question is not about breadcrumbs. I would just like to get the link of parent page to show up when it’s in child pages.

And how can i get the link of 1st level child page when i’m in 2nd level child page?

The reason i am asking this question is that i want to create a Back To Previous Page link for different level when i’m in different child page. Please tell me if you don’t understand.

The Solutions:

Below are the methods you can try. The first solution is probably the best. Try others if the first one doesn’t work. Senior developers aren’t just copying/pasting – they read the methods carefully & apply them wisely to each case.

Method 1

You can use something like this to get the parent page URL (and show its page title):

<?php if ( $post->post_parent ) { ?>
 <a href="<?php echo get_permalink( $post->post_parent ); ?>" rel="nofollow noreferrer noopener" rel="nofollow noreferrer noopener" >
    <?php echo get_the_title( $post->post_parent ); ?>
 </a>
<?php } ?>

If you are running this code outside of the loop (thanks @BorisKuzmanov), then use this:

<?php global $post;
  if ( $post->post_parent ) { ?>
    <a href="<?php echo get_permalink( $post->post_parent ); ?>" rel="nofollow noreferrer noopener" rel="nofollow noreferrer noopener" >
    <?php echo get_the_title( $post->post_parent ); ?>
    </a>
<?php } ?>


All methods was sourced from stackoverflow.com or stackexchange.com, is licensed under cc by-sa 2.5, cc by-sa 3.0 and cc by-sa 4.0

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