wordpress user has role check

wp - user has role

<?php
/**
 * Check if a role is assigned to a particular user
 *
 * @param string $role
 * @param int $user_id
 * @return bool
 */
function user_has_role( $role, $user_id = null ) {
    if ( is_numeric( $user_id ) ) {
        $user = get_userdata( $user_id );
    }
    else {
        $user = wp_get_current_user();
    }

    if ( ! empty( $user ) ) {
        return in_array( $role, (array) $user->roles );
    }
}