Cocur\Slugify\Tests\Bridge\ZF2\SlugifyViewHelperTest::invoke PHP Метод

    public function invoke()
    {
        $actual = 'Hällo Wörld';
        $expected = call_user_func($this->viewHelper, $actual);
        $this->assertEquals($expected, $this->slugify->slugify($actual));
        $expected = call_user_func($this->viewHelper, $actual, '_');
        $this->assertEquals($expected, $this->slugify->slugify($actual, '_'));
    }