add_cssclass() WordPress Function

The add_cssclass() function allows you to add a custom CSS class to any Wordpress element. This is useful for customizing the look and feel of your site without having to edit the theme's CSS file. To use this function, simply add the following code to your theme's functions.php file:

add_cssclass( string $class_to_add, string $classes ) #

function add_cssclass( $class_to_add, $classes ) {
	if ( empty( $classes ) ) {
		return $class_to_add;
	}

	return $classes . ' ' . $class_to_add;
}