<?php
$posts_page = filter_input( INPUT_GET, 'posts_page', FILTER_SANITIZE_NUMBER_INT );
if ( empty( $posts_page ) ) {
$posts_page = 1;
}
$query = new WP_Query(
array(
'post_type' => 'post',
'posts_per_page' => 6,
'paged' => $posts_page,
)
);
$max_num_pages = (int) $query->max_num_pages;
if ( $query->have_posts() ) : ?>
<div class="pt-posts">
<?php while ( $query->have_posts() ) : $query->the_post(); ?>
<div class="pt-post">
<?php the_title(); ?>
</div>
<?php endwhile; ?>
</div>
<?php if ( $max_num_pages > $posts_page ) :
$url = add_query_arg( 'posts_page', $posts_page + 1 );
?>
<div>
<a href="<?php echo esc_url( $url ); ?>">
<?php esc_html_e( 'Load more…', 'theme' ); ?>
</a>
</div>
<?php endif; ?>
<?php
wp_reset_postdata();
endif;