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<?php
namespace TreeHouse\Feeder\Modifier\Data\Transformer;
use TreeHouse\Feeder\Exception\TransformationFailedException;
class TraversingTransformer implements TransformerInterface
{
/**
* Transformer that will be applied to each value.
*
* @var TransformerInterface
*/
protected $transformer;
* @param TransformerInterface $transformer transformer to apply
public function __construct(TransformerInterface $transformer)
$this->transformer = $transformer;
}
* @inheritdoc
public function transform($value)
// not an array, must be traversable
if (!is_array($value) && !$value instanceof \Traversable) {
throw new TransformationFailedException(
sprintf('Expected an array or \Traversable to transform, got "%s" instead.', gettype($value))
);
// traverse through object, transforming each item
foreach ($value as $key => $val) {
$value[$key] = $this->transformer->transform($val);
return $value;
treehouselabs /
feeder
