Eloquent\Phony\Hook\FunctionHookManager::instance PHP Method

    public static function instance()
    {
        if (!self::$instance) {
            self::$instance = new self(FunctionSignatureInspector::instance(), FunctionHookGenerator::instance());
        }
        return self::$instance;
    }

 /**
  * Get the static instance of this factory.
  *
  * @return SpyVerifierFactory The static factory.
  */
 public static function instance()
 {
     if (!self::$instance) {
         self::$instance = new self(SpyFactory::instance(), MatcherFactory::instance(), MatcherVerifier::instance(), GeneratorVerifierFactory::instance(), IterableVerifierFactory::instance(), CallVerifierFactory::instance(), ExceptionAssertionRecorder::instance(), AssertionRenderer::instance(), FunctionHookManager::instance());
     }
     return self::$instance;
 }