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Is it possible to get Information from the Nginx Server using php? – PHP Versions

I have a docker-container running Nginx and i need to get the Version of Nginx in one of my php files. I tried using docker exec nginx_container nginx -v and it’s works only in terminal, it doesn’t return the $output.

Does someone know a properway to solve this?

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2

Answers


  1. 0

    If your nginx serves static files, you can make a request for one of those and then look at the Server header in the response.

    To illustrate, run nginx and make a request

    docker run --rm -d -p 8080:80 nginx
curl -v http://localhost:8080/

    The response will include the Nginx version in the Server header. On my machine, it’s Server: nginx/1.23.0.

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  2. 0

    Here is a small example (it’s been a while since I’ve used PHP, so there is probably a better way of doing this):

    $request = curl_init();
curl_setopt( $request , CURLOPT_URL , "http://localhost/" );
curl_setopt($request, CURLOPT_RETURNTRANSFER, 1);
curl_setopt( $request , CURLOPT_HEADER , true );
curl_setopt( $request , CURLOPT_NOBODY , true );
$response = curl_exec( $request );
$headers = explode("rn", $response);
$server = implode("", preg_grep ('/Server/', $headers));
echo $server;

    Result:

    Server: nginx

    In my case there is no version information because we have turned off the version information using:

    bash-5.0# cat/etc/nginx/nginx.conf | grep server_tokens
    server_tokens off;

    If you are running PHP in the same docker container you can just ignore the curl and run the command through php using shell_exec:

    php > echo shell_exec('nginx -v');
nginx version: nginx/1.18.0
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