Application Launcher

This document contains information about setting base URLs without breaking non-production environments.

Important

The current Drupal version does not support $base_url.

Occasionally, it may be necessary to set the $base_url value in a Drupal application’s settings.php file, because a contributed module may require this variable to be set, or an application may have specialized configurations.

Unfortunately, setting this variable can cause issues on Cloud Platform, where there are separate Development, Staging, and Production environments. If it is set unconditionally, the $base_url variable instructs Drupal to rewrite all requests for all environments, which breaks environments to which this variable doesn’t point.

The solution is to make use of the $_ENV['AH_SITE_ENVIRONMENT'] environment variable that is set by the Cloud Platform environment.

This document contains information about setting base URLs without breaking non-production environments.

Important

The current Drupal version does not support $base_url.

The solution is to make use of the $_ENV['AH_SITE_ENVIRONMENT'] environment variable that is set by the Cloud Platform environment.

This document contains information about setting base URLs without breaking non-production environments.

Important

The current Drupal version does not support $base_url.

The solution is to make use of the $_ENV['AH_SITE_ENVIRONMENT'] environment variable that is set by the Cloud Platform environment.

Multisite installations should set $base_url in a dynamic fashion, as outlined here. Setting the $base_url to an empty string disables caching and is not recommended.

if (isset($_ENV['AH_SITE_ENVIRONMENT'])) {
   switch ($_ENV['AH_SITE_ENVIRONMENT'])
        {
        case 'dev': $base_url = 'http://dev.example.com';
                break;
        case 'test': $base_url = 'http://test.example.com';
                 break;
        case 'prod': $base_url = 'http://www.example.com';
                break;
         }
    }

You can further modify the preceding code if there are environments that don’t require $base_url to be explicitly set. For example, if the $base_url variable is required only for Production, you can use the following much shorter code snippet:

if (isset($_ENV['AH_SITE_ENVIRONMENT']) && $_ENV['AH_SITE_ENVIRONMENT'] === 'prod') {
  $base_url = 'http://www.example.com';
    }

Note

If you set a custom $base_url, be aware that the variable should not contain a trailing slash and should always start with either http:// or https://.

Multisite installations should set $base_url in a dynamic fashion, as outlined here. Setting the $base_url to an empty string disables caching and is not recommended.

if (isset($_ENV['AH_SITE_ENVIRONMENT'])) {
   switch ($_ENV['AH_SITE_ENVIRONMENT'])
        {
        case 'dev': $base_url = 'http://dev.example.com';
                break;
        case 'test': $base_url = 'http://test.example.com';
                 break;
        case 'prod': $base_url = 'http://www.example.com';
                break;
         }
    }

if (isset($_ENV['AH_SITE_ENVIRONMENT']) && $_ENV['AH_SITE_ENVIRONMENT'] === 'prod') {
  $base_url = 'http://www.example.com';
    }

Note

If you set a custom $base_url, be aware that the variable should not contain a trailing slash and should always start with either http:// or https://.

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Setting base URLs

Setting base URLs

Setting base URLs

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