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<?php declare(strict_types=1);
namespace jschreuder\MiddleAuth\Util;
use Iterator;
/**
* Trait for creating type-safe collections of entities.
*
* Implementing classes must:
* 1. Store entities in a private array property named $collection
* 2. Implement a constructor that accepts variadic entities and assigns them to $this->collection
* Example implementation:
* ```
* final class UserCollection implements IteratorAggregate
* {
* use CollectionTrait;
* public function __construct(
* private array $collection = [],
* ) {}
* }
*/
trait CollectionTrait
{
private array $collection;
public function getIterator(): Iterator
foreach ($this->collection as $item) {
yield $item;
}
public function count(): int
return count($this->collection);
public function isEmpty(): bool
return empty($this->collection);
public function toArray(): array
return $this->collection;
jschreuder /
MiddleAuth
