wp query - Blog post per page setting conflicting with custom WP_Query?

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I am creating a theme, and have run into a problem with how a custom WP_Query seems to interact with the Blog pages show at most settings found under Settings -> Reading in the WordPress backend. I have a paged query, where - for layout reasons, I want to display 6 posts per page. My code looks like this:

<?php
$paged = (get_query_var('paged')) ? get_query_var('paged') : 1;
$args = array(
    'post_type' => 'post',
    'post_status' => 'publish',
    'posts_per_page' => 6,
    'orderby' => 'date',
    'order' => 'DESC',
    'paged' => $paged,
);

$loop = new WP_Query($args);
if ($loop->have_posts()):
    while ($loop->have_posts()): $loop->the_post();?>
                        <div class="blogpost-div">
                            My blogpost goes here
                        </div>
        <?php
    endwhile;
else:
    _e('There are currently no posts available.', 'textdomain');
endif;

echo custom_pagination($loop);
wp_reset_postdata();
?>

This works fine. However, if I have less than 6 published blog posts in my installation, this query displays no posts (Or if the next page doesen't have 6 posts, it 404s) unless the aforementioned reading setting is also set to be limited at 6 posts. This becomes an issue, if someone needs to install my theme on a fresh installation of WordPress, since they would then also need to adjust these settings.

In short - it seems, that when a custom query tries to modify posts_per_page, and the total amount of posts generated by the query is less than the defined number of posts in posts_per_page the query somehow conflicts with the "Blog pages show at most settings" if these aren't set to the same value.

Is this really intentional?

本文标签： wp queryBlog post per page setting conflicting with custom WPQuery