Filtering posts by category name based on page’s slug

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I’ve created a page template and the goal is to create a loop that gets all posts by category name. The category name is passed from the slug of the page name. I haven’t been able to get this to work entirely.

EDIT Here’s my function for this loop (updated from answers):

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global $post;
$page_slug = $post->post_name;

$category_query = new WP_Query(array(
    'category_name' => $page_slug
));

if ($category_query->have_posts()) :
    while ($category_query->have_posts()) :
        $category_query->the_post();
        $output = '<h2 class="entry-title" itemprop="headline"><a href="'.get_the_permalink().'">'.get_the_title().'</a></h2>';
        $output .= '<div class="entry-content" itemprop="text">'.get_the_content().'</div>';
    endwhile;
else :
    $output = '<h3>No posts found under "'.$page_slug.'"</h3>';
endif;

wp_reset_postdata();

echo $output;

I screwed up somewhere, as all I get is a blank white page. Any suggestions on how to fix my loop to accomplish what I’m looking for?

Post Views: 1

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2 comments

    1. You are missing an endwhile;.
    2. Since you are trying to concatenate, you need to use get_* for title, permalink and content.
    3. You are using $page_slug here and $post_slug there. Just use one and the same variable. 😉
    4. Put the condition of the while loop inside brackets.

    See updated code:

    global $post;
$page_slug = $post->post_name;
$args = array(
    'category_name' => $page_slug
);
$category_query = new WP_Query($args);

if ($category_query->have_posts()) {
    while ($category_query->have_posts()) {
        $category_query->the_post();
        ?>
        <h2 class="entry-title" itemprop="headline"><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></h2>
        <div class="entry-content" itemprop="text"><?php the_content(); ?></div>
        <?php
    }
} else {
    ?>
    <h3>No posts found under "<?php echo $page_slug; ?>"</h3>
    <?php
}
wp_reset_postdata();

  2. I can see few problems in your code.

    1. Main cause is, your While loop is not closing, close it before the else:. This is the reason you are getting blank screen. You should turn on php errors to avoid blank screen for any future fatal errors.

    2. use get_the_title() instead of the_title() and get_the_content() instead of the_content()

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