* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Config\Definition; use Symfony\Component\Config\Definition\Exception\InvalidTypeException; /** * This node represents a scalar value in the config tree. * * The following values are considered scalars: * * booleans * * strings * * null * * integers * * floats * * @author Johannes M. Schmitt */ class ScalarNode extends VariableNode { /** * {@inheritDoc} */ protected function validateType($value) { if (!is_scalar($value) && null !== $value) { $ex = new InvalidTypeException(sprintf( 'Invalid type for path "%s". Expected scalar, but got %s.', $this->getPath(), gettype($value) )); $ex->setPath($this->getPath()); throw $ex; } } }