Converter::convertKeysToUpperCase

public function convertKeysToUpperCase(array $data): array
{
	$result = [];

	foreach ($data as $name => $value)
	{
		$name = $this->convertFieldNameFromCamelCaseToUpperCase($name);

		if (is_array($value))
		{
			$result[$name] = $this->convertKeysToUpperCase($value);
		}
		else
		{
			$result[$name] = $value;
		}
	}

	return $result;
}