loop "category_name" from radio buttons custom field

• herrfischer

• September 3, 2014 at 6:23 pm

i have this loop to query by radio button “category_name”:

$wp_query->query('posts_per_page=3&category_name='.implode (',',get_field('news_category'))); ?>

it works with checkboxes but not with radio buttons. how can i make it working with radio buttons?