Phpml\FeatureExtraction\StopWords::isStopWord PHP Метод

    public function isStopWord(string $token) : bool
    {
        return isset($this->stopWords[$token]);
    }

 public function testCustomStopWords()
 {
     $stopWords = new StopWords(['lorem', 'ipsum', 'dolor']);
     $this->assertTrue($stopWords->isStopWord('lorem'));
     $this->assertTrue($stopWords->isStopWord('ipsum'));
     $this->assertTrue($stopWords->isStopWord('dolor'));
     $this->assertFalse($stopWords->isStopWord('consectetur'));
     $this->assertFalse($stopWords->isStopWord('adipiscing'));
     $this->assertFalse($stopWords->isStopWord('amet'));
 }