public function getNames()
    {
        $tags = $this->execute();
        $tags = \explode("\n", $tags);
        $tags = \array_map('trim', $tags);
        $tags = \array_filter($tags);

        return $tags;
    }
public function getNames()
    {
        $tags = $this->execute();
        $tags = \explode("\n", $tags);
        $tags = \array_map('trim', $tags);
        $tags = \array_filter($tags);

        return $tags;
    }
public function getNames ( ) { $ tags = $ this -> execute ( ) ; $ tags = \ explode ( "\n" , $ tags ) ; $ tags = \ array_map ( 'trim' , $ tags ) ; $ tags = \ array_filter ( $ tags ) ; return $ tags ; }
Retrieve the tag names.

@return string[]
Retrieve the tag names .