$userClass * @param array $mapping */ public function __construct( private readonly string $userClass, private readonly array $mapping, ) {} #[\Override] public function createUser(string $identifier, array $attributes): UserInterface { $user = new $this->userClass($identifier); $reflection = new \ReflectionClass($this->userClass); /** @psalm-suppress MixedAssignment */ foreach ($this->mapping as $field => $attribute) { $property = $reflection->getProperty($field); $property->setValue( $user, \is_string($attribute) && str_starts_with($attribute, '$') ? $this->getAttributeValue($attributes, substr($attribute, 1)) : $attribute, ); } return $user; } private function getAttributeValue(array $attributes, string $attribute): mixed { $isArrayValue = str_ends_with($attribute, '[]'); $attribute = $isArrayValue ? substr($attribute, 0, -2) : $attribute; if (!\array_key_exists($attribute, $attributes)) { throw new \RuntimeException('Attribute "'.$attribute.'" not found in SAML data.'); } $attributeValue = (array) $attributes[$attribute]; if (!$isArrayValue) { /** @psalm-suppress MixedAssignment */ $attributeValue = reset($attributeValue); } return $attributeValue; } }