The getCurrentMessages method's logic

[weierophinney]

Hi.

I understand the difference between the getMessages and getCurrentMessages methods and how they work, but I don't get why these "current" messages could be accessed on the second request even if we haven't really added anything during it.
Is this the expected behaviour? If so, what makes them "current" then?

Here's a test:

public function testCurrentMessages()
{
    $helper = new FlashMessenger();

    $this->assertFalse($helper->hasCurrentMessages()); // OK

    $helper->addMessage('foo');

    $this->assertTrue($helper->hasCurrentMessages()); // OK
    $this->assertFalse($helper->hasMessages()); // OK

    unset($helper);

    $helper2 = new FlashMessenger();

    $this->assertFalse($helper2->hasCurrentMessages()); // Failure
    $this->assertTrue($helper2->hasMessages()); // OK
}

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Originally posted by @panychek at zendframework/zend-mvc-plugin-flashmessenger#25