AFC get_field Test

Shortcode using AFC’s get_field:
Age: [whats_my_age_again]

Shortcode function:

add_shortcode('whats_my_age_again', 'my_age');
function my_age($atts, $content = null){
	if(function_exists('get_field')) {
		$age = get_field('age');
		return $age;
	}
}

Testing a potential conflict with the get_field function from AFC and Annual Archive