<?php array_change_key_case(array $array, int $case = CASE_LOWER): array
<?php private function getResponseHeaders(ProvidesResponseData $response): array { return array_change_key_case($response->getHeaders(), CASE_LOWER); } }
<?php return [$value]; }, $headers); } $headers = array_change_key_case($headers, CASE_LOWER); $hasBody = ! empty($this->event['body']);