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�i�t��B�������������?�� clear(); } catch( Exception $e ){ // probably no session to destroy } self::$current = null; } } /** * Commit current session data to WordPress storage and remove from memory */ public static function close(){ if( self::$current && self::$current->dirty ){ self::$current->persist(); self::$current = null; } } /** * @internal */ final public function __construct( array $raw = [] ){ $this->token = wp_get_session_token(); if( ! $this->token ){ throw new Loco_error_Exception('Failed to get session token'); } parent::__construct( [] ); $this->manager = WP_Session_Tokens::get_instance( get_current_user_id() ); // populate object from stored session data $data = $this->getRaw(); if( isset($data['loco']) ){ $this->setUnserialized( $data['loco'] ); } // any initial arbitrary data can be merged on top foreach( $raw as $prop => $value ){ $this[$prop] = $value; } // enforce single instance self::$current = $this; // ensure against unclean shutdown if( loco_debugging() ){ register_shutdown_function( [$this,'_on_shutdown'] ); } } /** * @internal * Ensure against unclean use of session storage */ public function _on_shutdown(){ if( $this->dirty ){ trigger_error('Unclean session shutdown: call either Loco_data_Session::destroy or Loco_data_Session::close'); } } /** * Get raw session data held by WordPress * @return array */ private function getRaw(){ $data = $this->manager->get( $this->token ); // session data will exist if WordPress login is valid if( ! $data || ! is_array($data) ){ throw new Loco_error_Exception('Invalid session'); } return $data; } /** * Persist object in WordPress usermeta table * @return Loco_data_Session */ public function persist(){ $data = $this->getRaw(); $data['loco'] = $this->getSerializable(); $this->manager->update( $this->token, $data ); $this->dirty = false; return $this; } /** * Clear object data and remove our key from WordPress usermeta record * @return Loco_data_Session */ public function clear(){ $data = $this->getRaw(); if( isset($data['loco']) ){ unset( $data['loco'] ); $this->manager->update( $this->token, $data ); } $this->exchangeArray( [] ); $this->dirty = false; return $this; } /** * @param string name of messages bag, e.g. "errors" * @param string optionally put message in rather than getting data out * @return mixed */ public function flash( $bag, $data = null ){ if( isset($data) ){ $this->dirty = true; $this[$bag][] = $data; } // else get first object in bag and remove before returning else if( isset($this[$bag]) ){ if( $data = array_shift($this[$bag]) ){ $this->dirty = true; return $data; } } return null; } /** * {@inheritDoc} */ public function offsetSet( $index, $newval ){ if( ! isset($this[$index]) || $newval !== $this[$index] ){ $this->dirty = true; parent::offsetSet( $index, $newval ); } } /** * {@inheritDoc} */ public function offsetUnset( $index ){ if( isset($this[$index]) ){ $this->dirty = true; parent::offsetUnset( $index ); } } }