UnionTypeNode.php

<?php

declare (strict_types=1);
namespace PHPStan\PhpDocParser\Ast\Type;

use PHPStan\PhpDocParser\Ast\NodeAttributes;
use function array_map;
use function implode;
class UnionTypeNode implements TypeNode {
    use NodeAttributes;
    
    /** @var TypeNode[] */
    public $types;
    
    /**
     * @param TypeNode[] $types
     */
    public function __construct(array $types) {
        $this->types = $types;
    }
    public function __toString() : string {
        return '(' . implode(' | ', array_map(static function (TypeNode $type) : string {
            if ($type instanceof NullableTypeNode) {
                return '(' . $type . ')';
            }
            return (string) $type;
        }, $this->types)) . ')';
    }

}