Get current user roles.

get-current-user-roles.php

<?php
if( ! function_exists( 'prefix_get_current_user_roles' ) ) :

	/**
	 * Get current user roles
	 *
	 * E.g. print_r( prefix_get_current_user_roles() );
	 *
	 * Output:
	 *
	 * Array
	 * 	(
	 * 	    [0] => administrator
	 * 	)
	 *
	 * @todo  Change `prefix` with your own unique slug.
	 * 
	 * @since 1.0.0
	 * @return mixed 	User roles.
	 */
	function prefix_get_current_user_roles()
	{
		// Not logged in? Return false.
		if( ! is_user_logged_in() ) {
		  	return false;
		}

		// Logged in? Return all roles.
		return wp_get_current_user()->roles;
	}

endif;