php通过关键字获取海关编码

class HsCode {
    public function curlGet($url) {
        $curl = curl_init($url);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($curl, CURLOPT_TIMEOUT, 10);
        curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36');
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
        $resp = curl_exec($curl);
        curl_close($curl);
        return $resp;
    }
    public function keywordGetHsCode($keyword = '篮球') {
        $page = 1;
        do {
            $content = $this->curlGet("https://www.hsbianma.com/Search/{$page}?keywords={$keyword}");
            preg_match_all('/<tr class="result-grid">.*?<\/tr>/s', $content, $matches);
            $items = array_filter(array_map(function ($tr) {
                if (preg_match('/"\/Code\/(\d+)\.html".*?<td>(.*?)<\/td>/s', $tr, $match)) {
                    list($name, $nameEn) = preg_split('/<span.*?>/', $match[2]);
                    $name = trim(preg_replace('/<\/?\w+.*?>/s', '', $name));
                    $nameEn = trim(preg_replace('/<\/?\w+.*?>/s', '', $nameEn));
                    return [
                        'hsCode' => $match[1],
                        'name' => $name,
                        'nameEn' => $nameEn
                    ];
                }
                return [];
            }, $matches[0] ?: []));
            $hsCode = '';
            foreach ($items as $item) {
                if (strtolower($item['name']) == strtolower($keyword)) {
                    $hsCode = $item['hsCode'];
                    break;
                }
            }
            $page++;
        } while (empty($hsCode) && $page <= 5);
        return $hsCode;
    }
}
$hsCode = (new HsCode())->keywordGetHsCode('乒乓球');
var_dump($hsCode);