Title: Response::getHeaderAsString
Published: May 20, 2026

---

# Response::getHeaderAsString( string $name ): string|null

## In this article

 * [Parameters](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-response/getheaderasstring/?output_format=md#parameters)
 * [Return](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-response/getheaderasstring/?output_format=md#return)
 * [Source](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-response/getheaderasstring/?output_format=md#source)
 * [Changelog](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-response/getheaderasstring/?output_format=md#changelog)

[ Back to top](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-response/getheaderasstring/?output_format=md#wp--skip-link--target)

Gets header values as a comma-separated string.

## 󠀁[Parameters](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-response/getheaderasstring/?output_format=md#parameters)󠁿

 `$name`stringrequired

The header name (case-insensitive).

## 󠀁[Return](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-response/getheaderasstring/?output_format=md#return)󠁿

 string|null The header values as a comma-separated string or null if not found.

## 󠀁[Source](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-response/getheaderasstring/?output_format=md#source)󠁿

    ```php
    public function getHeaderAsString(string $name): ?string
    {
        return $this->headers->getAsString($name);
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/php-ai-client/src/providers/http/dto/response.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.0/src/wp-includes/php-ai-client/src/Providers/Http/DTO/Response.php#L117)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/php-ai-client/src/Providers/Http/DTO/Response.php#L117-L120)

## 󠀁[Changelog](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-response/getheaderasstring/?output_format=md#changelog)󠁿

| Version | Description | 
| [0.1.0](https://developer.wordpress.org/reference/since/0.1.0/) | Introduced. |

## User Contributed Notes

You must [log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fdeveloper.wordpress.org%2Freference%2Fclasses%2Fwordpress-aiclient-providers-http-dto-response%2Fgetheaderasstring%2F)
before being able to contribute a note or feedback.