private function normalizeRequestBodyHeaders(Request $request, array $options)
{
if ($request->hasHeader('Content-Length')) {
// If the user manually assigned a Content-Length we don't need to do anything here.
return;
}
$body = $request->getBody();
$method = $request->getMethod();
if (empty($body) && $body !== '0' && in_array($method, ['POST', 'PUT', 'PATCH'])) {
$request->setHeader('Content-Length', '0');
$request->removeHeader('Transfer-Encoding');
} elseif (is_scalar($body) && $body !== '') {
$body = (string) $body;
$request->setBody($body);
$request->setHeader('Content-Length', strlen($body));
$request->removeHeader('Transfer-Encoding');
} elseif ($body instanceof \Iterator) {
$request->removeHeader('Content-Length');
$request->setHeader('Transfer-Encoding', 'chunked');
$chunkedBody = new ChunkingIterator($body);
$request->setBody($chunkedBody);
} elseif ($body !== null) {
throw new \InvalidArgumentException('Request entity body must be a scalar or Iterator');
}
if ($body && $options[self::OP_EXPECT_CONTINUE] && !$request->hasHeader('Expect')) {
$request->setHeader('Expect', '100-continue');
}
if ($method === 'TRACE' || $method === 'HEAD' || $method === 'OPTIONS') {
$request->setBody(null);
}
}
