/**
* @inheritDoc
*/
public function peek($index = 0, $limit = 20)
{
$it = new \InfiniteIterator(new \ArrayIterator($this->queues));
$envelopes = $drained = $indexes = [];
foreach (array_keys($this->queues) as $name) {
$indexes[$name] = 0;
}
$shift = 0;
$key = key($this->queues);
for ($it->rewind(); $it->key() != $key; $it->next()) {
// noop
}
while (count($envelopes) < $limit && count($drained) < $it->count()) {
$queue = $it->current();
$name = $it->key();
if ($peeked = $queue->peek($indexes[$name], 1)) {
if ($shift < $index) {
$shift++;
$indexes[$name]++;
} else {
$envelopes[] = array_shift($peeked);
}
} else {
$drained[$name] = true;
}
$it->next();
}
return $envelopes;
}
public function __construct($seed, callable $unaryOperator)
{
$this->unaryOperator = $unaryOperator;
$this->current = $seed;
$this->key = 0;
parent::__construct(new \ArrayIterator([$seed]));
}
/**
* Load data fixtures with the passed EntityManager
*
* @param ObjectManager $manager
*/
public function load(ObjectManager $manager)
{
$generator = $this->container->get('faker.generator');
/** @var \FilesystemIterator $iterator */
$dir = $this->container->getParameter('kernel.root_dir') . '/../web/images/';
$iterator = new \InfiniteIterator(new \FilesystemIterator($dir, \FilesystemIterator::SKIP_DOTS));
for ($i = 0; $i < 200; $i++) {
/** @var Category $category */
$category = $this->getReference('category_' . mt_rand(1, LoadCategoryData::COUNT));
$product = new Product(new UuidIdentity(Uuid::uuid4()), $generator->company . ' ' . $generator->words(2, true), new Money($generator->randomNumber(4)), $category, $generator->text(500), $generator->boolean(90), '/images/' . $iterator->getFilename());
$iterator->next();
$opts = array_rand(range(1, LoadOptionData::COUNT), mt_rand(2, 5));
foreach ($opts as $opt) {
/** @var Option $option */
$option = $this->getReference('option_' . ($opt + 1));
$product->addOption($option, $generator->words(2, true));
}
$manager->persist($product);
}
$manager->flush();
}
<?php
$data = array('Mela', 'Pera', 'Kiwi');
$iterator = new InfiniteIterator(new ArrayIterator($data));
foreach ($iterator as $value) {
echo $iterator->current();
}