Title: WP_Http_Cookie::getHeaderValue
Published: April 25, 2014
Last modified: April 28, 2025

---

# WP_Http_Cookie::getHeaderValue(): string

## In this article

 * [Return](https://developer.wordpress.org/reference/classes/wp_http_cookie/getheadervalue/?output_format=md#return)
 * [Source](https://developer.wordpress.org/reference/classes/wp_http_cookie/getheadervalue/?output_format=md#source)
 * [Hooks](https://developer.wordpress.org/reference/classes/wp_http_cookie/getheadervalue/?output_format=md#hooks)
 * [Related](https://developer.wordpress.org/reference/classes/wp_http_cookie/getheadervalue/?output_format=md#related)
 * [Changelog](https://developer.wordpress.org/reference/classes/wp_http_cookie/getheadervalue/?output_format=md#changelog)

[ Back to top](https://developer.wordpress.org/reference/classes/wp_http_cookie/getheadervalue/?output_format=md#wp--skip-link--target)

Convert cookie name and value back to header string.

## 󠀁[Return](https://developer.wordpress.org/reference/classes/wp_http_cookie/getheadervalue/?output_format=md#return)󠁿

 string Header encoded cookie name and value.

## 󠀁[Source](https://developer.wordpress.org/reference/classes/wp_http_cookie/getheadervalue/?output_format=md#source)󠁿

    ```php
    public function getHeaderValue() { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.MethodNameInvalid
    	if ( ! isset( $this->name ) || ! isset( $this->value ) ) {
    		return '';
    	}

    	/**
    	 * Filters the header-encoded cookie value.
    	 *
    	 * @since 3.4.0
    	 *
    	 * @param string $value The cookie value.
    	 * @param string $name  The cookie name.
    	 */
    	return $this->name . '=' . apply_filters( 'wp_http_cookie_value', $this->value, $this->name );
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/class-wp-http-cookie.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/6.9.4/src/wp-includes/class-wp-http-cookie.php#L230)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-http-cookie.php#L230-L244)

## 󠀁[Hooks](https://developer.wordpress.org/reference/classes/wp_http_cookie/getheadervalue/?output_format=md#hooks)󠁿

 [apply_filters( ‘wp_http_cookie_value’, string $value, string $name )](https://developer.wordpress.org/reference/hooks/wp_http_cookie_value/)

Filters the header-encoded cookie value.

## 󠀁[Related](https://developer.wordpress.org/reference/classes/wp_http_cookie/getheadervalue/?output_format=md#related)󠁿

| Uses | Description | 
| [apply_filters()](https://developer.wordpress.org/reference/functions/apply_filters/)`wp-includes/plugin.php` |

Calls the callback functions that have been added to a filter hook.

  |

| Used by | Description | 
| [WP_Http_Cookie::getFullHeader()](https://developer.wordpress.org/reference/classes/wp_http_cookie/getfullheader/)`wp-includes/class-wp-http-cookie.php` |

Retrieve cookie header for usage in the rest of the WordPress HTTP API.

  |

## 󠀁[Changelog](https://developer.wordpress.org/reference/classes/wp_http_cookie/getheadervalue/?output_format=md#changelog)󠁿

| Version | Description | 
| [2.8.0](https://developer.wordpress.org/reference/since/2.8.0/) | Introduced. |

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