original_string: public function rollbackWithoutThrow()
      {
          if (! $this->isValid()) return;
  
          foreach ($this->getConnections() as $connection) {
              $connection->rollback();
          }
  
          $this->_depth = 0;
      }
code: public function rollbackWithoutThrow()
      {
          if (! $this->isValid()) return;
  
          foreach ($this->getConnections() as $connection) {
              $connection->rollback();
          }
  
          $this->_depth = 0;
      }
code_tokens: public function rollbackWithoutThrow ( ) { if ( ! $ this -> isValid ( ) ) return ; foreach ( $ this -> getConnections ( ) as $ connection ) { $ connection -> rollback ( ) ; } $ this -> _depth = 0 ; }
docstring: rollback transaction without throw
docstring_tokens: rollback transaction without throw