成都创新互联网站制作重庆分公司

php中curl异步并发请求http的示例-创新互联

小编给大家分享一下php中curl异步并发请求http的示例,相信大部分人都还不怎么了解,因此分享这篇文章给大家参考一下,希望大家阅读完这篇文章后大有收获,下面让我们一起去了解一下吧!

目前创新互联公司已为上千家的企业提供了网站建设、域名、网页空间、网站运营、企业网站设计、揭东网站维护等服务,公司将坚持客户导向、应用为本的策略,正道将秉承"和谐、参与、激情"的文化,与客户和合作伙伴齐心协力一起成长,共同发展。

先来看下同步的代码以及请求时间。

$start_time=date("h:i:sa");
for ($i=0; $i <100 ; $i++) { 
	$urls[]="http://www.downxia.com/downinfo/2315".$i.".html";
	GetTitle(geturl("http://www.downxia.com/downinfo/2315".$i.".html"));
}
function geturl($url){
       
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        
        $output = curl_exec($ch);
        curl_close($ch);

        return $output;
}
function GetTitle($output){

	preg_match('/.*<\/title>/i',$output,$matches);
	var_dump($matches[0]);
}
$end_time=date("h:i:sa");
echo '开始时间是:'.$start_time;
echo '结束时间是:'.$end_time;</pre><p><img src="/upload/otherpic41/2207.jpg" alt="php中curl异步并发请求http的示例"></p><p>最下面可以看到时间花了27秒。</p><p>接下来看下php curl 异步并发请求http的代码以及花费时间。</p><pre>$start_time=date("h:i:sa");

$urls=[];
for ($i=0; $i <100 ; $i++) { 
	$urls[]="http://www.downxia.com/downinfo/2315".$i.".html";
}
var_dump($urls);
// GetTitle('klasjdkla<title>313asds12');

rolling_curl($urls,'GetTitle');

function GetTitle($output){

	preg_match('/.*<\/title>/i',$output,$matches);
	var_dump($matches[0]);
}
$end_time=date("h:i:sa");

echo '开始时间是:'.$start_time;
echo '结束时间是:'.$end_time;

function rolling_curl($urls, $callback, $custom_options = null)
{//多个url访问

    // make sure the rolling window isn't greater than the # of urls
    $rolling_window = 5;
    $rolling_window = (sizeof($urls) < $rolling_window) ? sizeof($urls) : $rolling_window;

    $master   = curl_multi_init();
    $curl_arr = array();

    // add additional curl options here
    $std_options = array(
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_FOLLOWLOCATION => true,
        CURLOPT_MAXREDIRS      => 5
        );
    $options = ($custom_options) ? ($std_options + $custom_options) : $std_options;

    // start the first batch of requests
    for ($i = 0; $i < $rolling_window; $i++) {
        $ch                   = curl_init();
        $options[CURLOPT_URL] = $urls[$i];
        curl_setopt_array($ch, $options);
        curl_multi_add_handle($master, $ch);
    }

    do {
        while (($execrun = curl_multi_exec($master, $running)) == CURLM_CALL_MULTI_PERFORM);
        if ($execrun != CURLM_OK) {
            break;
        }

        // a request was just completed -- find out which one
        while ($done = curl_multi_info_read($master)) {
            $info = curl_getinfo($done['handle']);
            if ($info['http_code'] == 200) {
                $output = curl_multi_getcontent($done['handle']);

                // request successful.  process output using the callback function.
                $callback($output);

                // start a new request (it's important to do this before removing the old one)
                $ch                   = curl_init();
                $options[CURLOPT_URL] = $urls[$i++]; // increment i
                curl_setopt_array($ch, $options);
                curl_multi_add_handle($master, $ch);

                // remove the curl handle that just completed
                curl_multi_remove_handle($master, $done['handle']);
            } else {
                // request failed.  add error handling.
            }
        }
    } while ($running);

    curl_multi_close($master);
    return true;
}</pre><p><img src="/upload/otherpic41/2208.jpg" alt="php中curl异步并发请求http的示例"></p><p>才花了3秒?实际上我感觉应该是花了5秒,因为启动比同步要慢,开始的时候卡了2秒。</p><p>http请求效率,毋庸置疑是异步远远高于同步。</p><p>核心请求代码如下:(这是老外写的,有点小问题,最后的提示undefined offset)</p><pre>function rolling_curl($urls, $callback, $custom_options = null)
{//多个url访问

    // make sure the rolling window isn't greater than the # of urls
    $rolling_window = 5;
    $rolling_window = (sizeof($urls) < $rolling_window) ? sizeof($urls) : $rolling_window;

    $master   = curl_multi_init();
    $curl_arr = array();

    // add additional curl options here
    $std_options = array(
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_FOLLOWLOCATION => true,
        CURLOPT_MAXREDIRS      => 5
        );
    $options = ($custom_options) ? ($std_options + $custom_options) : $std_options;

    // start the first batch of requests
    for ($i = 0; $i < $rolling_window; $i++) {
        $ch                   = curl_init();
        $options[CURLOPT_URL] = $urls[$i];
        curl_setopt_array($ch, $options);
        curl_multi_add_handle($master, $ch);
    }

    do {
        while (($execrun = curl_multi_exec($master, $running)) == CURLM_CALL_MULTI_PERFORM);
        if ($execrun != CURLM_OK) {
            break;
        }

        // a request was just completed -- find out which one
        while ($done = curl_multi_info_read($master)) {
            $info = curl_getinfo($done['handle']);
            if ($info['http_code'] == 200) {
                $output = curl_multi_getcontent($done['handle']);

                // request successful.  process output using the callback function.
                $callback($output);

                // start a new request (it's important to do this before removing the old one)
                $ch                   = curl_init();
                $options[CURLOPT_URL] = $urls[$i++]; // increment i
                curl_setopt_array($ch, $options);
                curl_multi_add_handle($master, $ch);

                // remove the curl handle that just completed
                curl_multi_remove_handle($master, $done['handle']);
            } else {
                // request failed.  add error handling.
            }
        }
    } while ($running);

    curl_multi_close($master);
    return true;
}</pre><p>修改一下。只要在新增url的时候加个判断就好了。// 当$i等于$urls数组大小时不用再增加了。</p><pre>function rolling_curl($urls, $callback, $custom_options = null)
{//多个url访问

    // make sure the rolling window isn't greater than the # of urls
    $rolling_window = 5;
    $rolling_window = (sizeof($urls) < $rolling_window) ? sizeof($urls) : $rolling_window;

    $master   = curl_multi_init();
    $curl_arr = array();

    // add additional curl options here
    $std_options = array(
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_FOLLOWLOCATION => true,
        CURLOPT_MAXREDIRS      => 5
        );
    $options = ($custom_options) ? ($std_options + $custom_options) : $std_options;

    // start the first batch of requests
    for ($i = 0; $i < $rolling_window; $i++) {
        $ch                   = curl_init();
        $options[CURLOPT_URL] = $urls[$i];
        curl_setopt_array($ch, $options);
        curl_multi_add_handle($master, $ch);
    }

    do {
        while (($execrun = curl_multi_exec($master, $running)) == CURLM_CALL_MULTI_PERFORM);
        if ($execrun != CURLM_OK) {
            break;
        }

        // a request was just completed -- find out which one
        while ($done = curl_multi_info_read($master)) {
            $info = curl_getinfo($done['handle']);
            if ($info['http_code'] == 200) {
                $output = curl_multi_getcontent($done['handle']);

                // request successful.  process output using the callback function.
                $callback($output);

                // start a new request (it's important to do this before removing the old one)
                // 当$i等于$urls数组大小时不用再增加了
                if($i<sizeof($urls)){
                    $ch                   = curl_init();
                    $options[CURLOPT_URL] = $urls[$i++]; // increment i
                    curl_setopt_array($ch, $options);
                    curl_multi_add_handle($master, $ch);
                }
                // remove the curl handle that just completed
                curl_multi_remove_handle($master, $done['handle']);
            } else {
                // request failed.  add error handling.
            }
        }
    } while ($running);

    curl_multi_close($master);
    return true;
}</pre><p>以上是“php中curl异步并发请求http的示例”这篇文章的所有内容,感谢各位的阅读!相信大家都有了一定的了解,希望分享的内容对大家有所帮助,如果还想学习更多知识,欢迎关注创新互联行业资讯频道!</p>            <br>
            新闻名称:php中curl异步并发请求http的示例-创新互联            <br>
            标题路径:<a href="http://cxhlcq.com/article/dddeoc.html">http://cxhlcq.com/article/dddeoc.html</a>
        </div>
    </div>
</div>
<div class="other container">
    <h3>其他资讯</h3>
    <ul>
        <li>
                <a href="/article/sephgh.html">铁岭短视频运营外包</a>
            </li><li>
                <a href="/article/sephgg.html">河南抖音代运营土库科技</a>
            </li><li>
                <a href="/article/sephii.html">咸宁短视频运营策划</a>
            </li><li>
                <a href="/article/sepphc.html">直播公司如何运营,直播步骤分享和运营实战例子</a>
            </li><li>
                <a href="/article/sephes.html">长治低成本短视频推广运营</a>
            </li>    </ul>
</div>
<div class="footer">
    <div class="foota container">
        <div class="foot_nav fl col-lg-8 col-md-8 col-sm-12 col-xs-12">
            <ul>
                <li class="col-lg-3 col-md-3 col-sm-3 col-xs-6">
                    <h3>网站制作</h3>
                    <a href="http://chengdu.kswjz.com/" target="_blank">成都网站制作</a><a href="http://www.cxjianzhan.com/mobile/" target="_blank">wap网站制作</a><a href="http://www.cqcxhl.com/" target="_blank">重庆网站制作</a><a href="http://chengdu.xwcx.net/mobile/" target="_blank">移动手机网站制作</a><a href="http://www.cxjianzhan.com/" target="_blank">网站制作</a><a href="https://www.cdxwcx.com/" target="_blank">成都网站制作</a>                </li>
                <li class="col-lg-3 col-md-3 col-sm-3 col-xs-6">
                    <h3>企业服务</h3>
                    <a href="https://www.cdcxhl.com/mianfei/jianshe/chengdu.html" target="_blank">免费网站建设</a><a href="https://www.cdcxhl.com/shoulu/" target="_blank">网站免费收录</a><a href="https://www.cdcxhl.com/service/shipinxuke.html" target="_blank">食品经营许可证</a><a href="https://www.cdcxhl.com/mianfei/jianzhan/" target="_blank">免费建站</a><a href="https://www.cdcxhl.com/mianfei/jianzhan/" target="_blank">成都免费建站</a><a href="https://www.cdcxhl.com/shoulu/" target="_blank">分类目录</a>                </li>
                <li class="col-lg-3 col-md-3 col-sm-3 col-xs-6">
                    <h3>网站建设</h3>
                    <a href="http://seo.cdkjz.cn/wangzhan/" target="_blank">营销型网站建设</a><a href="http://chengdu.cdcxhl.cn/jianshe/" target="_blank">品牌网站建设</a><a href="https://www.cdxwcx.com/wangzhan/" target="_blank">成都网站建设</a><a href="https://www.cdxwcx.com/city/dujiangyan/" target="_blank">都江堰网站建设</a><a href="http://m.cdcxhl.cn/qiye/" target="_blank">企业网站建设公司</a><a href="http://www.cxjianzhan.com/baojia/" target="_blank">成都网站建设报价</a>                </li>
                <li class="col-lg-3 col-md-3 col-sm-3 col-xs-6">
                    <h3>服务器托管</h3>
                    <a href="http://www.cdfuwuqi.com/" target="_blank">服务器托管机房</a><a href="https://www.cdcxhl.com/idc/gysx.html" target="_blank">贵阳三线机房</a><a href="https://www.cdcxhl.com/idc/cqlt.html" target="_blank">重庆联通机房托管</a><a href="https://www.cdcxhl.com/jigui/" target="_blank">服务器托管机柜</a><a href="https://www.cdcxhl.com/idc/xixin.html" target="_blank">西信服务器托管</a><a href="http://www.cdxwcx.cn/tuoguan/mianyang.html" target="_blank">绵阳机房租用</a>                </li>
            </ul>
        </div>
        <div class="footar fl col-lg-4 col-md-4 col-sm-12 col-xs-12">
            <p>全国免费咨询:</p>
            <b>400-028-6601</b>
            <p>业务咨询:028-86922220 / 13518219792</p>
            <p>节假值班:18980820575 / 13518219792</p>
            <p>联系地址:成都市太升南路288号锦天国际A幢1002号</p>
        </div>
    </div>
    <div class="footb">
        <div class="copy container">
            <div class="fl">Copyright © 成都创新互联科技有限公司重庆分公司  <a href="https://beian.miit.gov.cn/" target="_blank">渝ICP备2021005571号</a></div>
            <!--<div class="fr"><a href="https://www.cdxwcx.com/" target="_blank">成都网站建设</a>:<a href="https://www.cdcxhl.com/" target="_blank">创新互联</a></div>-->
        </div>
    </div>
    <div class="link">
        <div class="container">
            友情链接::
            <a href="https://www.cdcxhl.com/" target="_blank">成都网站建设</a>
            <a href="https://www.cdcxhl.com/city/chongqing.html" target="_blank">重庆网站建设</a>
            <a href="">四川网站建设</a>
            <a href="">重庆建设网站</a>
            <a href="https://www.cdxwcx.com/jifang/xiyun.html" target="_blank">移动服务器托管</a>
            <a href="http://www.cdfuwuqi.com/" target="_blank">成都服务器托管</a>
            <a href="https://www.cdcxhl.cn/" target="_blank">云服务器</a>
            <a href="http://www.cdhuace.com/" target="_blank">广告设计制作</a>
            <a href="https://www.cdcxhl.com/sheji/chongqing.html" target="_blank">重庆网页设计</a>
            <a href="https://www.cdcxhl.com/zuo/chongqing.html" target="_blank">重庆做网站</a>
            <a href="https://www.cdcxhl.com/zhizuo/chongqing.html" target="_blank">重庆网站制作</a>
            <a href="">重庆网站建设</a>
            <a href="">重庆网站公司</a>
            <a href="">渝中网站制作</a>
            <a href="">重庆网站设计</a>
        </div>
    </div>
</div>
<div class="foot">
    <ul class="public-celan">
        <li>
            <a href="https://p.qiao.baidu.com/cps3/chatIndex?siteToken=6ce441ff9e2d6bedbdfc2a4138de449e&speedLogId=162260383240185e3_1622603832401_02407&eid=6256368&reqParam=%7B%22from%22%3A1%2C%22sessionid%22%3A%22-100%22%2C%22siteId%22%3A%2211284691%22%2C%22tid%22%3A%22-1%22%2C%22userId%22%3A%226256368%22%2C%22ttype%22%3A1%2C%22pageId%22%3A0%7D" target="_blank" class="a1 db tc">
                <img src="/Public/Home/img/icon-23.png" alt="" class="db auto">
                <span class="span-txt">在线咨询</span>
            </a>
        </li>
        <li>
            <a href="tel:18980820575" class="a1 db tc">
                <img src="/Public/Home/img/icon-24.png" alt="" class="db auto">
                <span class="span-txt">电话咨询</span>
            </a>
        </li>
        <li>
            <a target="_blank" href="tencent://message/?uin=1683211881&Site=&Menu=yes" class="a1 db tc">
                <img src="/Public/Home/img/icon-25.png" alt="" class="db auto">
                <span class="span-txt">QQ咨询</span>
            </a>
        </li>
        <li>
            <a target="_blank" href="tencent://message/?uin=532337155&Site=&Menu=yes" class="a1 db tc public-yuyue-up">
                <img src="/Public/Home/img/icon-26.png" alt="" class="db auto">
                <span class="span-txt">预约顾问</span>
            </a>
        </li>
    </ul>
</div>
<div class="customer">
    <dl class="icon1">
        <dt>
            <a href="tencent://message/?uin=1683211881&Site=&Menu=yes">
                <i class="iconT"><img src="/Public/Home/img/QQ.png" alt=""></i>
                <p>在线咨询</p>
            </a>
        </dt>
    </dl>
    <dl class="icon2">
        <dt><i><img src="/Public/Home/img/weixin.png" alt=""></i><p>微信咨询</p></dt>
        <dd><img src="/Public/Home/img/ewm.png"></dd>
    </dl>
    <dl class="icon3">
        <dt><i><img src="/Public/Home/img/dianhua.png" alt=""></i><p>电话咨询</p></dt>
        <dd>
            <p>028-86922220(工作日)</p>
            <p>18980820575(7×24)</p>
        </dd>
    </dl>
    <dl class="icon4">
        <dt class="sShow">
            <a href="tencent://message/?uin=244261566&Site=&Menu=yes">
                <i><img src="/Public/Home/img/dengji.png" alt=""></i><p>提交需求</p>
            </a>
        </dt>
    </dl>
    <dl class="icon5">
        <dt class="gotop">
            <a href="#top">
                <i><img src="/Public/Home/img/top.png" alt=""></i><p>返回顶部</p>
            </a>
        </dt>
    </dl>
</div>
</body>
</html>
<script>
    $(".con img").each(function(){
        var src = $(this).attr("src");    //获取图片地址
        var str=new RegExp("http");
        var result=str.test(src);
        if(result==false){
            var url = "https://www.cdcxhl.com"+src;    //绝对路径
            $(this).attr("src",url);
        }
    });
    window.onload=function(){
        document.oncontextmenu=function(){
            return false;
        }
    }
</script>