function Request::preferSafeContent

Checks whether the client browser prefers safe content or not according to RFC8674.

See also

https://tools.ietf.org/html/rfc8674

File

vendor/symfony/http-foundation/Request.php, line 1720

Class

Request

Request represents an HTTP request.

Namespace

Symfony\Component\HttpFoundation

Code

public function preferSafeContent() : bool {
    if (isset($this->isSafeContentPreferred)) {
        return $this->isSafeContentPreferred;
    }
    if (!$this->isSecure()) {
        // see https://tools.ietf.org/html/rfc8674#section-3
        return $this->isSafeContentPreferred = false;
    }
    return $this->isSafeContentPreferred = AcceptHeader::fromString($this->headers
        ->get('Prefer'))
        ->has('safe');
}