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	 * @param mixed $session Session or expiration.41	 * @return array Session.42	 */43	protected function prepare_session( $session ) {44		if ( is_int( $session ) ) {45			return array( 'expiration' => $session );46		}47 48		return $session;49	}50 51	/**52	 * Retrieves a session based on its verifier (token hash).53	 *54	 * @since 4.0.055	 *56	 * @param string $verifier Verifier for the session to retrieve.57	 * @return array|null The session, or null if it does not exist58	 */59	protected function get_session( $verifier ) {60		$sessions = $this->get_sessions();61 62		if ( isset( $sessions[ $verifier ] ) ) {63			return $sessions[ $verifier ];64		}65 66		return null;67	}68 69	/**70	 * Updates a session based on its verifier (token hash).71	 *72	 * @since 4.0.073	 *74	 * @param string $verifier Verifier for the session to update.75	 * @param array  $session  Optional. Session. Omitting this argument destroys the session.76	 */77	protected function update_session( $verifier, $session = null ) {78		$sessions = $this->get_sessions();79 80		if ( $session ) {81			$sessions[ $verifier ] = $session;82		} else {83			unset( $sessions[ $verifier ] );84		}85 86		$this->update_sessions( $sessions );87	}88 89	/**90	 * Updates the user's sessions in the usermeta table.91	 *92	 * @since 4.0.093	 *94	 * @param array $sessions Sessions.95	 */96	protected function update_sessions( $sessions ) {