original_string: public function delete($name)
      {
          if ($this->check($name)) {
              $this->_overwrite($_SESSION, Hash::remove($_SESSION, $name));
          }
      }
code: public function delete($name)
      {
          if ($this->check($name)) {
              $this->_overwrite($_SESSION, Hash::remove($_SESSION, $name));
          }
      }
code_tokens: public function delete ( $ name ) { if ( $ this -> check ( $ name ) ) { $ this -> _overwrite ( $ _SESSION , Hash :: remove ( $ _SESSION , $ name ) ) ; } }
docstring: Removes a variable from session.
  
  @param string $name Session variable to remove
  @return void
docstring_tokens: Removes a variable from session .