src/Valkyrja/Container/NativeContainer.php
public function hasContext(string $serviceId, string $context, string $member = null): bool
    {
        $contextIndex = $this->contextServiceId($serviceId, $context, $member);

        return isset(self::$services[$contextIndex]);
    }
public function hasContext(string $serviceId, string $context, string $member = null): bool
    {
        $contextIndex = $this->contextServiceId($serviceId, $context, $member);

        return isset(self::$services[$contextIndex]);
    }
Check whether a given service has context.

@param string $serviceId The service
@param string $context   The context
class name || function name || variable name
@param string $member    [optional] The context member
method name || property name

@return bool