Edit File: 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)) . ')'; } }
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