category class ds body

//-------------------category class body-----------------

function an_body_class_add_categories( $classes ) {

	// Only proceed on a single post page
	if ( !is_single() )
		return $classes;

	// Get the categories that are assigned to this post
	$post_categories = get_the_category();

	// Loop over each category in the $categories array
	foreach( $post_categories as $current_category ) {

		// Add the current category's slug to the $body_classes array
		$classes[] = $current_category->slug;
	}
	// return the $body_classes array
	return $classes;
}
add_filter( 'body_class', 'an_body_class_add_categories' );

//ref: à compléter