Test project for media files management.
<?php declare(strict_types=1);
/*
* This file is part of sebastian/type.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace SebastianBergmann\Type;
use function assert;
use function class_exists;
use function is_iterable;
use ReflectionClass;
final class IterableType extends Type
{
private bool $allowsNull;
public function __construct(bool $nullable)
{
$this->allowsNull = $nullable;
}
/**
* @throws RuntimeException
*/
public function isAssignable(Type $other): bool
{
if ($this->allowsNull && $other instanceof NullType) {
return true;
}
if ($other instanceof self) {
return true;
}
if ($other instanceof SimpleType) {
return is_iterable($other->value());
}
if ($other instanceof ObjectType) {
$className = $other->className()->qualifiedName();
assert(class_exists($className));
return (new ReflectionClass($className))->isIterable();
}
return false;
}
/**
* @return 'iterable'
*/
public function name(): string
{
return 'iterable';
}
public function allowsNull(): bool
{
return $this->allowsNull;
}
public function isIterable(): bool
{
return true;
}
}