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[resolved] wp_query and post_parent -> not working (6 posts)

  1. petra5
    Member
    Posted 2 years ago #

    On my front page of the site (which uses page.php template) I want to display a list of child pages from parent with id 19, I want to display a featured image, title of a page and a specific custom field of each page.
    For this purpose I tried to use wp_query but it does not seem to work. I looked into WordPress codex where one of the parameters to use with wp_query is:
    post_parent (int) - use page id. Return just the child Pages.
    I don't understand why my code doesn't work. I am using:

    $query = new WP_Query('post_parent=19'); and the loop:
    while ( $query->have_posts() ) : $query->the_post(); ?>
    <?php the_post_thumbnail( 'small' ); ?>
    <?php the_title(); ?>
    <?php echo get_post_meta($post->ID, 'intro', true); ?>
       <?php endwhile;
    		   // Reset Post Data
    wp_reset_postdata();
    ?>

    I have a parent page with Id 19 set up and relevant subpages. The query above doesn't not bring any data.

    On the same page I also have another loop like this (before above one):

    <?php if ( have_posts() ) : ?>
    				<div id="welcome">
    				<?php while ( have_posts() ) : the_post(); ?>
    		<h1><?php the_title(); </h1>
    <?php the_content(); ?>
    				<?php endwhile; ?>
                           <?php wp_reset_query(); wp_reset_postdata(); ?> </div>
    			<?php endif; ?>

    I wonder if there is a conflict? Or what is that that I am doing wrong? Am I missing something? Your help would be really appreciated.

  2. keesiemeijer
    moderator
    Posted 2 years ago #

    Try it with this [untested]:

    $query = new WP_Query('post_type=page&post_parent=19');
  3. petra5
    Member
    Posted 2 years ago #

    ok, I tried and it works! Thanks so much for this!

  4. keesiemeijer
    moderator
    Posted 2 years ago #

    No problem. Glad you got it resolved.

  5. Achim Meurer
    Member
    Posted 2 years ago #

    I have an additional question:

    Is it possible to set the value for "post_parent" with the titel of the page instead its ID?

    e.g. $query = new WP_Query('post_type=page&post_parent=contact');

    I know, this is not working. My question: is there a possibility?

  6. superdeluxesam
    Member
    Posted 1 year ago #

    To clarify this matter for anyone who is also puzzled by this, if you check the docs for WP_Query, you'll notice this line when it talks about 'post_type' queries:

    "post_type (string / array) - use post types. Retrieves posts by Post Types, default value is 'post';"

    (my emphasis)

    Bascially, the reason that petra5's query didn't work is that there's a default argument given to the query along the lines of 'post_type=post'.

    If you want to query for any other post type, in this case pages, you need to explicitly set it, as keeslemeijer did with his suggestion.

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