code: protected function forceScriptCache($fileName)
      {
          if (
              (PHP_SAPI !== 'cli' && ini_get('opcache.enable')) ||
              ini_get('opcache.enable_cli')
          ) {
              opcache_invalidate($fileName, true); // @codeCoverageIgnore
              opcache_compile_file($fileName); // @codeCoverageIgnore
          }
          if (ini_get('apc.enabled')) {
              apc_delete_file($fileName); // @codeCoverageIgnore
              apc_bin_loadfile($fileName); // @codeCoverageIgnore
          }
      }
docs: Forcibly caches data of this file in OPCache or APC.
  @param string $fileName file name.
  @since 1.0.4