Kraken\Environment\Loader\Loader::setEnvironmentVariable PHP Method

    public function setEnvironmentVariable($name, $value = null)
    {
        if (strpos($name, 'INI_') === 0) {
            list($name, $value) = $this->normaliseEnvironmentVariable($name, $value);
            $normalized = str_replace('INI_', '', $name);
            $normalized = strtolower($normalized);
            $this->invoker->call('ini_set', [$normalized, $value]);
        }
        parent::setEnvironmentVariable($name, $value);
    }

 /**
  * @override
  * @inheritDoc
  */
 public function setEnv($name, $value)
 {
     $this->loader->setEnvironmentVariable($name, $value);
 }