PHPで画像を最適化して幅と高さを取得する方法

        preg_match_all(&#39;/<img.*? src="(.*?)".*?>/is&#39;, $str, $matchs);
       
        if(!empty($matchs[0])){
            $pics = [];
            $i = 0;
            foreach ($matchs[0] as $key => $m) {
                $fileInfo = file_get_contents($matchs[1][$key] . &#39;?x-oss-process=image/info&#39;);
                $fileInfo = json_decode($fileInfo, true);
                $data[&#39;Width&#39;] = $fileInfo[&#39;ImageWidth&#39;][&#39;value&#39;];
                $data[&#39;Height&#39;] = $fileInfo[&#39;ImageHeight&#39;][&#39;value&#39;];
                    
                $imgs[$i][&#39;ref&#39;] = &#39;<!--IMG#&#39; . $key . &#39;-->&#39;;
                $imgs[$i][&#39;pixel&#39;] = $data[&#39;Width&#39;] . &#39;*&#39; . $data[&#39;Height&#39;];
                preg_match(&#39;/alt="(.*?)"/i&#39;, $matchs[0][$key], $mt);
                $imgs[$i][&#39;alt&#39;] = isset($mt[1]) ? $mt[1] : &#39;&#39;;   //图片alt
                $imgs[$i][&#39;src&#39;] = $matchs[1][$key];                //图片地址
                $str = str_replace($m, &#39;<!--IMG#&#39; . $key . &#39;-->&#39;, $str);
                $i++;

            }
        }

preg_match_all(&#39;/<img.*? src="(.*?)".*?>/is&#39;, $str, $matchs);

if(!empty($matchs[0])){
    //$time = microtime(true);
    //echo  &#39;  ---- start &#39; . PHP_EOL;

    foreach ($matchs[0] as $key => $m) {
        $urls[] = $matchs[1][$key] . &#39;?x-oss-process=image/info&#39;;
    }
    $imageInfos = batchCurl($urls);

    $i = 0;
    foreach ($matchs[0] as $key => $m) {
        $image = json_decode($imageInfos[$key], true);
        $_img[&#39;Width&#39;] = $width= $image[&#39;ImageWidth&#39;][&#39;value&#39;];
        $_img[&#39;Height&#39;] = $height = $image[&#39;ImageHeight&#39;][&#39;value&#39;];

        $imgs[$i][&#39;ref&#39;] = &#39;<!--IMG#&#39; . $key . &#39;-->&#39;;
        $imgs[$i][&#39;pixel&#39;] = $_img[&#39;Width&#39;] . &#39;*&#39; . $_img[&#39;Height&#39;];
        preg_match(&#39;/alt="(.*?)"/i&#39;, $matchs[0][$key], $mt);
        $imgs[$i][&#39;alt&#39;] = isset($mt[1]) ? $mt[1] : &#39;&#39;;   //图片alt
        $imgs[$i][&#39;src&#39;] = $matchs[1][$key];                //图片地址
        $str = str_replace($m, &#39;<!--IMG#&#39; . $key . &#39;-->&#39;, $str);

        $i++;
    }
    //echo  " ---- end  px in " . (microtime(true)-$time) . " seconds \n";
    //exit;
}
        
function batchCurl($urls)
{
    $res = $conn = [];

    // 创建批处理cURL句柄
    $mh = curl_multi_init();

    foreach ($urls as $i => $url) {
        // 创建一对cURL资源
        $conn[$i] = curl_init();
        // 设置URL和相应的选项
        curl_setopt($conn[$i], CURLOPT_URL, $url);
        curl_setopt($conn[$i], CURLOPT_HEADER, 0);
        curl_setopt($conn[$i], CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($conn[$i], CURLOPT_TIMEOUT, 10);
        // 302跳转
        curl_setopt($conn[$i], CURLOPT_FOLLOWLOCATION, 1);
        // 增加句柄
        curl_multi_add_handle($mh, $conn[$i]);
    }
    $active = null;
    //防卡死写法：执行批处理句柄
    do {
        $mrc = curl_multi_exec($mh, $active);
    } while ($mrc == CURLM_CALL_MULTI_PERFORM);

    while ($active && $mrc == CURLM_OK) {
        if (curl_multi_select($mh) != -1) {
            do {
                $mrc = curl_multi_exec($mh, $active);
            } while ($mrc == CURLM_CALL_MULTI_PERFORM);
        }
    }
    foreach ($urls as $i => $url) {
        //获取当前解析的cURL的相关传输信息
        $info = curl_multi_info_read($mh);
        //获取请求头信息
        $heards = curl_getinfo($conn[$i]);
        //获取输出的文本流
        $res[$i] = curl_multi_getcontent($conn[$i]);
        // 移除curl批处理句柄资源中的某个句柄资源
        curl_multi_remove_handle($mh, $conn[$i]);
        //关闭cURL会话
        curl_close($conn[$i]);
    }
    //关闭全部句柄
    curl_multi_close($mh);

    return $res;
}