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Example code of calabashdoll/curl-future

Informations about the package curl-future

CurlFuture: PHP Curl并行轮转请求库

multicurl系列方法是提高php请求后端http接口的一种途径。但是直接使用的话，存在几方面问题：

为了解决这些问题，开发了CurlFuture库，实现了并行请求，先到先取，链式执行的特性。

应用场景

对于一些大型公司，PHP作为接口聚合层来使用，而接口通过HTTP协议给出。对于一些复杂的页面，可能需要请求几十个相互独立的接口， 如果使用并行模式，则可以极大的提升性能。

安装方法

引入入口php文件即可：include __DIR__.'/curl_future.php';

使用方法

并行请求的实例(async.php)

链式执行的示例(then.php)

和Model/Service结合的示例(model.php)

原理

在每次fetch的时候，开始事件循环。当所需http返回后，结束循环。继续执行php逻辑。

性能测试

请求本机接口200次，nginx默认页面，同步、异步与file_get_contents对比

/example/bench.php

curl_future sync：384 ms
file_get_contents：390 ms
curl_futhre async：68 ms

curl_future sync：624 ms
file_get_contents：460 ms
curl_futhre async：69 ms

curl_future sync：463 ms
file_get_contents：355 ms
curl_futhre async：70 ms

curl_future sync：447 ms
file_get_contents：409 ms
curl_futhre async：66 ms

同步方式没有file_get_contents稳定，但是异步批量方式性能提升很明显。

参考项目

All versions of curl-future with dependencies

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