Print Post Parent Title

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I’m trying to print the posts’ parent title on the page as well as the post title for that page. This is how my content-page.php template currently renders the page title. 

the_title( '<header class="entry-header"><h1 class="entry-title">', '</h1></header><!-- .entry-header -->' );

I realise I can retrieve the posts’ parent title by doing this:

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$parent_title = get_the_title($post->post_parent);
echo $parent_title;

Is there anyway I can slip that code in between the_title parameters, so my parent title and my post title are both wrapped by that h1 element?

Any help is appreciated. Thanks in advance!

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3 comments

  1. You can just add a check:

    if ( ! empty ( $post->post_parent ) )
{
    $parent_title = get_the_title($post->post_parent);
    echo "<h1>$parent_title</h1>";
}

    or use setup_postdata():

    setup_postdata( $post->post_parent );
the_title( /* arguments here*/ );
wp_reset_postdata();

  2. I would just filter the_title:

    function wpse140502_filter_page_title( $title ) {
    // only do something on static pages
    // and on the main query
    if ( is_page() && is_main_query() ) {
        // let's see if the current page has a parent
        global $post;
        if ( 0 != $post->post_parent ) {
            // Set this to whatever you want
            $delimiter = ': ';
            // Append post-parent title to title and return it
            return get_the_title( $post->post_parent ) . $delimiter . $title;
        }
    }
    // return title
    return $title;
}
add_filter( 'the_title', 'wpse140502_filter_page_title' );

  3. You could just output the header around the title without using the $before and $after parameters:

    if ( get_the_title() ) {
    global $post;

    echo '<header class="entry-header"><h1 class="entry-title">';
    echo get_the_title() . ' - ' . get_the_title( $post->post_parent );
    echo '</h1></header>';
}

    If you insist on using $before and $after, just pass the parent title to either one of the arguments:

    the_title( '<header class="entry-header"><h1 class="entry-title">' . get_the_title( $post->post_parent ), '</h1></header><!-- .entry-header -->' );

    or

    the_title( '<header class="entry-header"><h1 class="entry-title">', get_the_title( $post->post_parent ) . '</h1></header><!-- .entry-header -->' );