Nette\Database\Context::fetchAll PHP Метод

    public function fetchAll($sql, ...$params)
    {
        return $this->connection->query($sql, ...$params)->fetchAll();
    }

    public function actionDefault($param)
    {
        // Yes, I hate this code, too.
        // Yes, it was the fastest way to build a prototype.
        // Yes, it would just kill the database server later on.
        // No, do not use anywhere.
        // Yes, you have just been warned.
        $this->tags = array_filter(preg_split('/\\s+/', $param));
        if (empty($this->tags)) {
            $query = 'SELECT * FROM urls';
        } else {
            $query = 'SELECT * FROM urls WHERE id IN (
				SELECT s1.url_id FROM
					(SELECT ut.url_id FROM url_tags ut JOIN tags t ON ut.tag_id = t.id WHERE t.tag IN (?)) s1' . "\n";
            for ($i = 2; $i <= count($this->tags); $i++) {
                $query .= "JOIN (SELECT ut.url_id FROM url_tags ut JOIN tags t ON ut.tag_id = t.id WHERE t.tag IN (?)) s{$i} ON s1.url_id = s{$i}.url_id\n";
            }
            $query .= ')';
        }
        $result = call_user_func_array([$this->database, 'fetchAll'], array_merge([$query], $this->tags));
        $urls = array();
        foreach ($result as $url) {
            $urls[$url->id] = $url;
            $urls[$url->id]->tags = array();
        }
        if (!empty($urls)) {
            $urlTags = $this->database->fetchAll('
				SELECT
					ut.url_id AS urlId,
					t.tag,
					tc.category AS category
				FROM
					tags t
					JOIN url_tags ut ON t.id = ut.tag_id
					LEFT JOIN tag_categories tc ON t.category_id = tc.id
				WHERE
					ut.url_id IN (?)
				ORDER BY
					t.category_id,
					t.tag
			', array_keys($urls));
            foreach ($urlTags as $tag) {
                $urls[$tag->urlId]->tags[] = $tag;
            }
        }
        $allTags = array_values($this->database->fetchPairs('SELECT id, tag FROM tags ORDER BY tag'));
        $this->template->tags = $this->tags;
        $this->template->urls = $urls;
        $this->template->allTags = $allTags;
    }