Show only single category posts on WordPress archive page

/in /by

Here is the code you can use to show only single category posts on wordpress archive page.

function my_custom_get_posts( $query ) {

if ( $query->is_archive() ) {
$blog_term = get_term_by(‘slug’, ‘your-blogcategry-slug-name’, ‘category’);
$blog_term_id = $blog_term->term_id;
$query->set(‘cat’, $blog_term_id);
}
}
add_action( ‘pre_get_posts’, ‘my_custom_get_posts’, 1 );