WP_User_Meta_Session_Tokens

17class WP_User_Meta_Session_Tokens extends WP_Session_Tokens {18 19	/**20	 * Retrieves all sessions of the user.21	 *22	 * @since 4.0.023	 *24	 * @return array Sessions of the user.25	 */26	protected function get_sessions() {27		$sessions = get_user_meta( $this->user_id, 'session_tokens', true );28 29		if ( ! is_array( $sessions ) ) {30			return array();31		}32 33		$sessions = array_map( array( $this, 'prepare_session' ), $sessions );34		return array_filter( $sessions, array( $this, 'is_still_valid' ) );35	}36 37	/**38	 * Converts an expiration to an array of session information.39	 *40	 * @since 4.0.041	 *42	 * @param mixed $session Session or expiration.43	 * @return array Session.44	 */45	protected function prepare_session( $session ) {46		if ( is_int( $session ) ) {47			return array( 'expiration' => $session );48		}49 50		return $session;51	}52 53	/**54	 * Retrieves a session based on its verifier (token hash).55	 *56	 * @since 4.0.057	 *58	 * @param string $verifier Verifier for the session to retrieve.59	 * @return array|null The session, or null if it does not exist60	 */61	protected function get_session( $verifier ) {62		$sessions = $this->get_sessions();63 64		if ( isset( $sessions[ $verifier ] ) ) {65			return $sessions[ $verifier ];66		}67 68		return null;69	}70 71	/**72	 * Updates a session based on its verifier (token hash).73	 *74	 * @since 4.0.075	 *76	 * @param string $verifier Verifier for the session to update.77	 * @param array  $session  Optional. Session. Omitting this argument destroys the session.78	 */79	protected function update_session( $verifier, $session = null ) {80		$sessions = $this->get_sessions();81 82		if ( $session ) {83			$sessions[ $verifier ] = $session;84		} else {85			unset( $sessions[ $verifier ] );86		}87 88		$this->update_sessions( $sessions );89	}90 91	/**92	 * Updates the user's sessions in the usermeta table.93	 *94	 * @since 4.0.095	 *96	 * @param array $sessions Sessions.