PHP项目中CURL出现内存泄露如何解决-创新互联

这期内容当中小编将会给大家带来有关PHP项目中CURL出现内存泄露如何解决，文章内容丰富且以专业的角度为大家分析和叙述，阅读完这篇文章希望大家可以有所收获。

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php有什么用

php是一个嵌套的缩写名称，是英文超级文本预处理语言，它的语法混合了C、Java、Perl以及php自创新的语法，主要用来做网站开发，许多小型网站都用php开发，因为php是开源的，从而使得php经久不衰。

curl配置平淡无奇，长时间运行发现一个严重问题，内存泄露！不论用单线程和多线程都无法避免！是curl访问https站点的时候有bug！

内存泄露可以通过linux的top命令发现，使用php函数memory_get_usage()不会发现。

代码如下:

[CURLOPT_HTTPPROXYTUNNEL] = true;
[CURLOPT_SSL_VERIFYPEER] = false;
[CURLOPT_SSL_VERIFYHOST] = false;

CURLOPT_HTTPPROXYTUNNEL具体说明stackoverflow上有，直接贴原文：

Without CURLOPT_HTTPPROXYTUNNEL

Without CURLOPT_HTTPPROXYTUNNEL : You just use the proxy address/port as a destination of your HTTP request. The proxy will read the HTTP headers of your query, forward your request to the destination (with your HTTP headers) and then write the response to you.

Example steps :

1）HTTP GET /index.html sent to 1.1.1.1 (proxy)
2）1.1.1.1 receive request and parse header for getting the final destination of your HTTP request.
3）1.1.1.1 forward your query and headers to www.site.com (destination in request headers).
4）1.1.1.1 write back to you the response receive from www.site.com

With CURLOPT_HTTPPROXYTUNNEL

With CURLOPT_HTTPPROXYTUNNEL : You ask the proxy to open a direct binary connection (like HTTPS, called a TCP Tunnel) directly to your destination by doing a CONNECT HTTP request. When the tunnel is ok, the proxy write you back a HTTP/1.1 200 Connection established. When it received your browser start to query the destination directly : The proxy does not parse HTTP headers and theoretically does not read tunnel datas, it just forward it, thats why it is called a tunnel !

Example steps :

1）HTTP CONNECT sent to 1.1.1.1
2）1.1.1.1 receive HTTP CONNECT and get the ip/port of your final destination (header field of HTTP CONNECT).
3）1.1.1.1 open a TCP Socket by doing a TCP handshake to your destination 2.22.63.73:80 (ip/port of www.site.com).
4）1.1.1.1 Make a tunnel by piping your TCP Socket to the TCP Socket opened to 2.22.63.73:80and then write you back HTTP/1.1 200 Connection established witch means that your client can now make your query throw the TCP Tunnel (TCP datas received will be transmited directly to server and vice versa).

/tupian/20230522/what-does-the-curl-option-curlopt-httpproxytunnel-mean>上述就是小编为大家分享的PHP项目中CURL出现内存泄露如何解决了，如果刚好有类似的疑惑，不妨参照上述分析进行理解。如果想知道更多相关知识，欢迎关注创新互联行业资讯频道。

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