Go\Aop\Framework\DynamicClosureMethodInvocation::proceed PHP Method

    public function proceed()
    {
        if (isset($this->advices[$this->current])) {
            /** @var $currentInterceptor \Go\Aop\Intercept\Interceptor */
            $currentInterceptor = $this->advices[$this->current++];
            return $currentInterceptor->invoke($this);
        }
        // Fill the closure only once if it's empty
        if ($this->closureToCall === null) {
            $this->closureToCall = $this->reflectionMethod->getClosure($this->instance);
            $this->previousInstance = $this->instance;
        }
        // Rebind the closure if instance was changed since last time
        if ($this->previousInstance !== $this->instance) {
            $this->closureToCall = $this->closureToCall->bindTo($this->instance, $this->reflectionMethod->class);
            $this->previousInstance = $this->instance;
        }
        $closureToCall = $this->closureToCall;
        return $closureToCall(...$this->arguments);
    }