/**
* @param ProviderInterface[] $providers
*/
public function __construct(array $providers)
{
$this->providers = new \SplObjectStorage();
foreach ($providers as $provider) {
if (!$provider instanceof ProviderInterface) {
throw new \RuntimeException(sprintf('"%s" is not a valid provder!', get_class($provider)));
}
$this->providers->attach($provider);
}
}
/**
* Attach a provider to the chain.
*
* @param ProviderInterface $provider A ProviderInterface instance.
*/
public function addProvider(ProviderInterface $provider)
{
$this->providers->attach($provider);
}
/**
* @param ProviderInterface $provider
*
* @return $this
*/
public function removeProvider(ProviderInterface $provider)
{
$this->providers->removeElement($provider);
return $this;
}