public function cache()
    {
        if (null === $this->cache) {
            $this->cache = new WebDriver_Cache($this);
        }
        return $this->cache;
    }
public function cache()
    {
        if (null === $this->cache) {
            $this->cache = new WebDriver_Cache($this);
        }
        return $this->cache;
    }
public function cache ( ) { if ( null === $ this -> cache ) { $ this -> cache = new WebDriver_Cache ( $ this ) ; } return $ this -> cache ; }
Get current context.

@return WebDriver_Cache
Get current context .