<?php/*** 1个请求      耗时 0.19000s,  平均每个耗时:0.19000s * 10个请求     耗时 1.60000s,  平均每个耗时:0.16000s * 100个请求    耗时 14.92400s, 平均每个耗时:0.14924s * 1000个请求   超时* */set_time_limit(0);$time = microtime(true);echo '<pre>开始时间' . date('Y-m-d H:i:s', time()) . '<br>';$data = $res =[];$count  = 1000;for ($i=0; $i <$count ; $i++) { $url = 'https://suggest.taobao.com/sug?code=utf-8&q=%E5%8D%AB%E8%A1%A3&callback=cb';$res[] = curl_request($url);}function curl_request($url, $post='', $cookie='', $returnCookie=0){$curl = curl_init();curl_setopt($curl, CURLOPT_URL, $url);curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; Trident/6.0)');curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);curl_setopt($curl, CURLOPT_AUTOREFERER, 1);curl_setopt($curl, CURLOPT_REFERER, "http://XXX");//关闭SSL验证curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0);curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 0);if($post) {curl_setopt($curl, CURLOPT_POST, 1);curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($post));} else {//curl_setopt($curl, CURLOPT_POST, 1); //使用后大概快了20%, 但是这个是post请求的
        }if($cookie) {curl_setopt($curl, CURLOPT_COOKIE, $cookie);}curl_setopt($curl, CURLOPT_HEADER, $returnCookie);curl_setopt($curl, CURLOPT_TIMEOUT, 10);curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);$data = curl_exec($curl);if (curl_errno($curl)) {return curl_error($curl);}curl_close($curl);if($returnCookie){list($header, $body) = explode("\r\n\r\n", $data, 2);preg_match_all("/Set\-Cookie:([^;]*);/", $header, $matches);$info['cookie']  = substr($matches[1][0], 1);$info['content'] = $body;return $info;}else{return $data;}}$cost = microtime(true) - $time;echo "结束时间" .  date('Y-m-d H:i:s', time()) . ', 耗时 '. sprintf('%.5f', $cost) . 's, 平均每个耗时:' . sprintf('%.5f', $cost / $count) . 's <br>';var_dump($res);

<?php/*** 1个请求      耗时 0.16300s   平均每个耗时:0.16300s * 10个请求     耗时 0.33500s   平均每个耗时:0.03350s * 100个请求    耗时 1.62600s,  平均每个耗时:0.01626s * 1000个请求   耗时 22.27700s, 平均每个耗时:0.02228s * */$time = microtime(true);
echo '<pre>开始时间' . date('Y-m-d H:i:s', time()) . '<br>';set_time_limit(0);$data = [];
$count = 1000;for ($i=0; $i <$count ; $i++) { $url = 'https://suggest.taobao.com/sug?code=utf-8&q=%E5%8D%AB%E8%A1%A3&callback=cb';$data[]['url'] = $url;
}function getMultiCurlResult($data = [], $timeout = 120)
{$request = [];$requestResource = curl_multi_init();foreach ($data as $k => $v) {$option = [CURLOPT_TIMEOUT => $timeout,//请求超时时间,防止死循环CURLOPT_RETURNTRANSFER => true,//获取的信息以文件流的形式返回，而不是直接输出。
        ];if (!isset($v['url']) || !$v['url']) return null;$option[CURLOPT_URL] = trim($v['url']);if (stripos($v['url'], 'https') === 0) $option[CURLOPT_SSL_VERIFYPEER] = false;if (isset($v['data'])) {//如果设置了请求参数,则是POST请求$option[CURLOPT_POST] = true;$option[CURLOPT_POSTFIELDS] = http_build_query($v['data']);}//启动一个curl会话$request[$k] = curl_init();//设置请求选项curl_setopt_array($request[$k], $option);//添加请求句柄curl_multi_add_handle($requestResource, $request[$k]);}$running = null;$result = [];do {//执行批处理句柄//CURLOPT_RETURNTRANSFER如果为0,这里会直接输出获取到的内容.如果为1,后面可以用curl_multi_getcontent获取内容.curl_multi_exec($requestResource, $running);//阻塞直到cURL批处理连接中有活动连接,不加这个会导致CPU负载超过90%.curl_multi_select($requestResource);} while ($running > 0);foreach ($request as $k => $v) {$result[$k] = curl_multi_getcontent($v);curl_multi_remove_handle($requestResource, $v);}curl_multi_close($requestResource);return $result;
}$res = getMultiCurlResult($data);$cost = microtime(true) - $time;
echo "结束时间" .  date('Y-m-d H:i:s', time()) . ', 耗时 '. sprintf('%.5f', $cost) . 's, 平均每个耗时:' . sprintf('%.5f', $cost / $count) . 's <br>';var_dump($res);