Reply To: Add CSS class to images

• John Huebner

• August 14, 2017 at 2:16 am

function image_tag_class($class, $id, $align, $size) {
	if (get_field( 'img_fullscreen', $id)) {
		$class .= ' full';
	}  
    return $class;
}
add_filter('get_image_tag_class', 'image_tag_class', 10, 4 );