ey );
		delete_user_meta( $this->ID, $wpdb->get_blog_prefix() . 'user_level' );
		$this->get_role_caps();
	}

	/**
	 * Whether the user has a specific capability.
	 *
	 * While checking against a role in place of a capability is supported in part, this practice is discouraged as it
	 * may produce unreliable results.
	 *
	 * @since 2.0.0
	 *
	 * @see map_meta_cap()
	 *
	 * @param string $cap           Capability name.
	 * @param int    $object_id,... Optional. ID of a specific object to check against if `$cap` is a "meta" capability.
	 *                              Meta capabilities such as `edit_post` and `edit_user` are capabilities used by
	 *                              by the `map_meta_cap()` function to map to primitive capabilities that a user or
	 *                              role has, such as `edit_posts` and `edit_others_posts`.
	 * @return bool Whether the user has the given capability, or, if `$object_id` is passed, whether the user has
	 *              the given capability for that object.
	 */
	public function has_cap( $cap ) {
		if ( is_numeric( $cap ) ) {
			_deprecated_argument( __FUNCTION__, '2.0.0', __( 'Usage of user levels is deprecated. Use capabilities instead.' ) );
			$cap = $this->translate_level_to_cap( $cap );
		}

		$args = array_slice( func_get_args(), 1 );
		$args = array_merge( array( $cap, $this->ID ), $args );
		$caps = call_user_func_array( 'map_meta_cap', $args );

		// Multisite super admin has all caps by definition, Unless specifically denied.
		if ( is_multisite() && is_super_admin( $this->ID ) ) {
			if ( in_array('do_not_allow', $caps) )
				return false;
			return true;
		}

		/**
		 * Dynamically filter a user's capabilities.
		 *
		 * @since 2.0.0
		 * @since 3.7.0 Added the user object.
		 *
		 * @param array   $allcaps An array of all the user's capabilities.
		 * @param array   $caps    Actual capabilities for meta capability.
		 * @param array   $args    Optional parameters passed to has_cap(), typically object ID.
		 * @param WP_User $user    The user object.
		 */
		$capabilities = apply_filters( 'user_has_cap', $this->allcaps, $caps, $args, $this );

		// Everyone is allowed to exist.
		$capabilities['exist'] = true;

		// Nobody is allowed to do things they are not allowed to do.
		unset( $capabilities['do_not_allow'] );

		// Must have ALL requested caps.
		foreach ( (array) $caps as $cap ) {
			if ( empty( $capabilities[ $cap ] ) )
				return false;
		}

		return true;
	}

	/**
	 * Convert numeric level to level capability name.
	 *
	 * Prepends 'level_' to level number.
	 *
	 * @since 2.0.0
	 *
	 * @param int $level Level number, 1 to 10.
	 * @return string
	 */
	public function translate_level_to_cap( $level ) {
		return 'level_' . $level;
	}

	/**
	 * Set the site to operate on. Defaults to the current site.
	 *
	 * @since 3.0.0
	 * @deprecated 4.9.0 Use WP_User::for_site()
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @param int $blog_id Optional. Site ID, defaults to current site.
	 */
	public function for_blog( $blog_id = '' ) {
		_deprecated_function( __METHOD__, '4.9.0', 'WP_User::for_site()' );

		$this->for_site( $blog_id );
	}

	/**
	 * Sets the site to operate on. Defaults to the current site.
	 *
	 * @since 4.9.0
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @param int $site_id Site ID to initialize user capabilities for. Default is the current site.
	 */
	public function for_site( $site_id = '' ) {
		global $wpdb;

		if ( ! empty( $site_id ) ) {
			$this->site_id = absint( $site_id );
		} else {
			$this->site_id = get_current_blog_id();
		}

		$this->cap_key = $wpdb->get_blog_prefix( $this->site_id ) . 'capabilities';

		$this->caps = $this->get_caps_data();

		$this->get_role_caps();
	}

	/**
	 * Gets the ID of the site for which the user's capabilities are currently initialized.
	 *
	 * @since 4.9.0
	 *
	 * @return int Site ID.
	 */
	public function get_site_id() {
		return $this->site_id;
	}

	/**
	 * Gets the available user capabilities data.
	 *
	 * @since 4.9.0
	 *
	 * @return array User capabilities array.
	 */
	private function get_caps_data() {
		$caps = get_user_meta( $this->ID, $this->cap_key, true );

		if ( ! is_array( $caps ) ) {
			return array();
		}

		return $caps;
	}
}