Returns Roles based discounts when using woocommerce dynamic

// Returns Roles based discounts when using woocommerce dynamic pricing plugin

<?php
	function get_the_role_for_user() {
		global $current_user;
		$current_user = wp_get_current_user();
		$user = new WP_User( $current_user->ID );

		if ( !empty( $user->roles ) && is_array( $user->roles ) ) {
			foreach ( $user->roles as $role )
				return $role;
		}
	}

	function get_the_percentage_discount() {
		$role = get_the_role_for_user();
		$main_array = get_option('_s_membership_pricing_rules');
		foreach ($main_array as $set){
			if ($set["conditions"][0]["args"]["roles"][0] == $role){
				$amount = $set["rules"][0]["amount"];
				return $role.' - '.$amount.'%';
				break;
			}
		}
	}

	$role_percentage = get_the_percentage_discount();
	echo $role_percentage;
?>