在PHP中，shell_exec和proc_open有其他替代方法吗? [英] Are there any alternatives to shell_exec and proc_open in PHP?
问题描述
似乎我不能在共享服务器上使用shell_exec或proc_open.
It seems like I can't use shell_exec or proc_open on my shared server.
当我尝试使用它时收到的消息是:
The message I get when I try to use it is:
警告:出于安全原因，第4行的/home/georgee/public_html/admin/email.php中已禁用shell_exec()
Warning: shell_exec() has been disabled for security reasons in /home/georgee/public_html/admin/email.php on line 4
这些功能还有其他选择吗?
Are there any alternatives to these functions?
推荐答案
我假设您要使用它进行异步处理，例如在单独的进程中发送电子邮件(因此，email.php中的错误).如果是这样，请检查是否已启用 cURL .您可以通过HTTP请求触发脚本，而无需等待响应.
I assume you want to use this for async processing, for instance sending eMails in a separate process (hence the error in email.php). If so, please check if cURL is enabled. You can trigger your scripts through an HTTP request without waiting for the response.
进一步阅读:
- Asynchronous/parallel HTTP requests using PHP multi_curl
- How to use curl_multi() without blocking
- How do I make an asynchronous GET request in PHP?
如果cURL不可用，请尝试与非阻塞流一起使用:
If cURL is not available, try to use with non-blocking streams:
- http://de.php.net/manual /en/function.stream-set-blocking.php
- http://thethoughtlab.blogspot .com/2007/04/non-blocking-io-with-php-mio.html
- http://de.php.net/manual/en/function.stream-set-blocking.php
- http://thethoughtlab.blogspot.com/2007/04/non-blocking-io-with-php-mio.html
为提高安全性，请考虑使用自定义的API密钥，因此，未经许可，无法触发电子邮件发送URL.将此作为GET或POST传递.您还可以验证请求是否来自同一服务器.
For added security, consider using a self-defined API key, so the eMail sending URL cannot be triggered without permission. Pass this in as a GET or POST. You could also validate if the request came from the same server.
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