| public __construct ( SplQueue $queue, callable | Interop\Http\Middleware\DelegateInterface $done ) | ||
| $queue | SplQueue | |
| $done | callable | Interop\Http\Middleware\DelegateInterface | Next delegate to invoke when the queue is exhausted. Note: this argument becomes optional starting in 2.0.0. |
public function __construct(SplQueue $queue, $done)
{
if (!(is_callable($done) || $done instanceof DelegateInterface)) {
throw new InvalidArgumentException(sprintf('Invalid "$done" argument provided to %s; must be callable ' . 'or a %s instance; received %s', get_class($this), DelegateInterface::class, is_object($done) ? get_class($done) : gettype($done)));
}
$this->queue = clone $queue;
$this->nextDelegate = $done;
$this->dispatch = new Dispatch();
}