php處理字符串格式的html

                $xml = new \DOMDocument();
                $xml->preserveWhiteSpace = false;
                $xml->formatOutput = true;
                $xml->loadHTML('<meta charset="UTF-8">'.$item);//$item:字符串或url

                $ssss = $xml->getElementsByTagName('tr')->item(0)->nodeValue;


                //2
                //$item_tmp = explode('<TBODY>', $item);
                //$item_tmp = explode('</TBODY>', $item_tmp[1]);
                //$item_tmp = explode('td', $item_tmp[0]);
                //$data = $item_tmp[]

                //1
                //var_dump($item_tmp);die;
                //preg_match($preg_match, $td_data, $name_tmp);
                //
                //
                ////$tmp = '<script>document.write('.$item.')</script>';
                //$td_data = mb_substr($item, strpos($item, '<td '), 60);
                //
                //
                //
                ////$keyword=urlencode($td_data);//將關鍵字編碼
                //
                //
                //$preg_match = '/>[A-z|\x{4e00}-\x{9fa5}]*<\/td>/u';
                //preg_match($preg_match, $td_data, $name_tmp);
                //$name = $name_tmp;
                //
                //$preg_match = '/';
                //
                //preg_match($preg_match, $td_data, $name_tmp);
                //
                //$mobile = '';
                //die;
                //echo strpos($td_data, '</td><td ');die;

                //echo mb_substr($td_data, strpos($td_data, '</td><td ')+strlen('</td><td '), 30);die;

                Db::table('')->insert(['code'=>$code, 'name'=>substr($item)]);

                //入庫
                //todo...