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[Form] Change FormTypeGuesserChain to accept Traversable #20047

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Merged
merged 1 commit into from
Oct 19, 2016
Merged

[Form] Change FormTypeGuesserChain to accept Traversable #20047

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6 changes: 5 additions & 1 deletion src/Symfony/Component/Form/FormTypeGuesserChain.php
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Original file line number Diff line number Diff line change
Expand Up @@ -25,8 +25,12 @@ class FormTypeGuesserChain implements FormTypeGuesserInterface
*
* @throws UnexpectedTypeException if any guesser does not implement FormTypeGuesserInterface
*/
public function __construct(array $guessers)
public function __construct($guessers)
{
if (!is_array($guessers) && !$guessers instanceof \Traversable) {
throw new UnexpectedTypeException($guessers, 'array or Traversable');
}

foreach ($guessers as $guesser) {
if (!$guesser instanceof FormTypeGuesserInterface) {
throw new UnexpectedTypeException($guesser, 'Symfony\Component\Form\FormTypeGuesserInterface');
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