Eloquent\Phony\Exporter\InlineExporter::exportCallable PHP Method

    public function exportCallable($callback)
    {
        $wrappedCallback = null;
        while ($callback instanceof WrappedInvocable) {
            $wrappedCallback = $callback;
            $callback = $callback->callback();
        }
        $label = '';
        if ($wrappedCallback) {
            if ($wrappedCallback->isAnonymous()) {
                return $this->export($wrappedCallback);
            }
            $label = $wrappedCallback->label();
            if (null !== $label) {
                $label = '[' . $label . ']';
            }
        }
        if ($callback instanceof Closure) {
            return $this->export($callback) . $label;
        }
        $reflector = $this->invocableInspector->callbackReflector($callback);
        if (!$reflector instanceof ReflectionMethod) {
            return $reflector->getName() . $label;
        }
        $class = $reflector->getDeclaringClass();
        $name = $reflector->getName();
        if ($class->implementsInterface('Eloquent\\Phony\\Mock\\Mock')) {
            if (($parentClass = $class->getParentClass()) && $parentClass->hasMethod($name)) {
                $class = $parentClass;
            } else {
                try {
                    $prototype = $reflector->getPrototype();
                    $class = $prototype->getDeclaringClass();
                } catch (ReflectionException $e) {
                    // ignore
                }
            }
        }
        $atoms = explode('\\', $class->getName());
        $rendered = array_pop($atoms);
        if ($wrappedCallback instanceof WrappedMethod) {
            $name = $wrappedCallback->name();
            $handle = $wrappedCallback->handle();
            if ($handle instanceof InstanceHandle) {
                $label = $handle->label();
                if (null !== $label) {
                    $rendered .= '[' . $label . ']';
                }
            }
        }
        if ($reflector->isStatic()) {
            $callOperator = '::';
        } else {
            $callOperator = '->';
        }
        return $rendered . $callOperator . $name;
    }