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Mention $_SERVER['HTTP_HOST'] in common issues #204

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danielbachhuber merged 1 commit into from
Aug 23, 2016
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Mention $_SERVER['HTTP_HOST'] in common issues #204

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8 changes: 8 additions & 0 deletions docs/common-issues/index.md
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Expand Up @@ -55,6 +55,14 @@ Before accessing a value on the `$_SERVER` superglobal, you should check if the
$_SERVER['HTTPS']='on';
}

When using `$_SERVER['HTTP_HOST']` in your `wp-config.php`, you'll need to set a default value in WP-CLI context:

if ( defined( 'WP_CLI' ) && WP_CLI ) && ! isset( $_SERVER['HTTP_HOST'] ) {
$_SERVER['HTTP_HOST'] = 'wp-cli.org';
}

See also: [#730](https://github.com/wp-cli/wp-cli/issues/730)

### Can't find wp-content directory / use of `$_SERVER['document_root']`

`$_SERVER['document_root']` is defined by the webserver based on the incoming web request. Because this type of context is unavailable to PHP CLI, `$_SERVER['document_root']` is unavailable to WP-CLI. Furthermore, WP-CLI can't safely mock `$_SERVER['document_root']` as it does with `$_SERVER['http_host']` and a few other `$_SERVER` values.
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