original_string: public function handler_close() {
          try {
              foreach ($this->locks as $id => $expirytime) {
                  if ($expirytime > $this->time()) {
                      $this->unlock_session($id);
                  }
                  unset($this->locks[$id]);
              }
          } catch (RedisException $e) {
              error_log('Failed talking to redis: '.$e->getMessage());
              return false;
          }
  
          return true;
      }
code: public function handler_close() {
          try {
              foreach ($this->locks as $id => $expirytime) {
                  if ($expirytime > $this->time()) {
                      $this->unlock_session($id);
                  }
                  unset($this->locks[$id]);
              }
          } catch (RedisException $e) {
              error_log('Failed talking to redis: '.$e->getMessage());
              return false;
          }
  
          return true;
      }
code_tokens: public function handler_close ( ) { try { foreach ( $ this -> locks as $ id => $ expirytime ) { if ( $ expirytime > $ this -> time ( ) ) { $ this -> unlock_session ( $ id ) ; } unset ( $ this -> locks [ $ id ] ) ; } } catch ( RedisException $ e ) { error_log ( 'Failed talking to redis: ' . $ e -> getMessage ( ) ) ; return false ; } return true ; }
docstring: Close the session completely. We also remove all locks we may have obtained that aren't expired.
  
  @return bool true on success.  false on unable to unlock sessions.
docstring_tokens: Close the session completely . We also remove all locks we may have obtained that aren t expired .