multi environment nginx, how to check $_SERVER['SERVER_NAME']

Question

I'm trying to have Craft switch baseUrl in general.php based on the environment. The Craft docs tells me to specify the environment in index.php by using logic based on the $_SERVER['SERVER_NAME'] variable. But this variable doesn't seem to exist in my server environment.

In Craft, neither craft/config/general.php and craft/public/index.php seem to have access to this variable. Where does the $_SERVER['SERVER_NAME'] for each project live and how do I see what it is? Is it supposed to be the same as the server_name block in my nginx config?

score 2 · Answer 1 · edited Apr 13 '17 at 12:51

$_SERVER['SERVER_NAME'] is a global server variable (not a craft variable) and should be available. I don't use nginx, so I can't comment on where the $_SERVER['SERVER_NAME'] comes from exactly — but a quick google search seems to explain things:

Blockquote nginx – $_SERVER['SERVER_NAME'] is the first entry in the server_name directive.

As far as multi-environment config — this is the method which I have adopted, which has proven to be reliable and flexible. (*The only issue that I've encountered is that it doesn't seem to like non-standard ports — if your using port :8888 in a virtual dev environment for example. Perhaps there is a way to add support for non-standard ports as well).

In your main index.php page (adapted from this craft cookbook recipe).

<?php

// Path to your craft/ folder
$craftPath = '../craft';

// Multi-environment Configuration
define('CRAFT_ENVIRONMENT', call_user_func_array(function($a,$b){if(array_key_exists('APP_ENV',$_SERVER)&&in_array($c=$_SERVER['APP_ENV'],array_keys($a))){return $c;}foreach($a as $c=>$d){$e=$_SERVER['SERVER_NAME'];if((is_array($d)&&in_array($e,$d))||$e==$d){return $c;}}return $b;}, array(

    // Environment Definitions
    array(
        'local' => array('myproject.craft.dev'),
        'dev' => array('myproject.mydevsite.com'),
        'stage' => array('stage.myproject.com'),
        'production' => array('myproject.com'),
    ),

    // Default Environment
    'production',

)));

// Do not edit below this line
$path = rtrim($craftPath, '/').'/app/index.php';

if (!is_file($path))
{
    exit('Could not find your craft/ folder. Please ensure that <strong><code>$craftPath</code></strong> is set correctly in '.__FILE__);
}

require_once $path;

And then in your config.php file (adapted from this stack exchange answer by Ben Parizek):

<?php

/**
 * General Configuration
 */

// Ensure our urls have the right scheme
define('URI_SCHEME', ( isset($_SERVER['HTTPS'] ) ) ? "https://" : "http://" );

// The site url (doesn't work well when port numbers are required, i.e. http://site.com:8888)
define('SITE_URL', URI_SCHEME . $_SERVER['SERVER_NAME'] . '/');

// The site basepath
define('BASE_PATH', realpath(CRAFT_BASE_PATH . '/../') . '/');

return array(

    // default config for all environments
    '*' => array(

        // environment variables
        'environmentVariables' => array(
            'baseUrl'  => SITE_URL,
            'basePath' => BASE_PATH . 'html/'
        ),

        // localization settings
        'siteUrl' => array(
            'en-us' => SITE_URL,
        ),

    ),

    // specific environment config

    'local' => array(

        'devMode'    => true,

    ),

    'dev' => array(

        'devMode'    => true,

    ),

    'stage' => array(

        // environment variables
        'environmentVariables' => array(
            'baseUrl'  => SITE_URL,
            'basePath' => BASE_PATH . 'public/'
        ),

    ),

    'production' => array(

        // environment variables
        'environmentVariables' => array(
            'baseUrl'  => SITE_URL,
            'basePath' => BASE_PATH . 'public/'
        ),

    ),

);

multi environment nginx, how to check $_SERVER['SERVER_NAME']

1 Answers1