Title: WP_Customize_Manager::_sanitize_external_header_video
Published: June 15, 2017
Last modified: May 20, 2026

---

# WP_Customize_Manager::_sanitize_external_header_video( string $value ): string

## In this article

 * [Parameters](https://developer.wordpress.org/reference/classes/wp_customize_manager/_sanitize_external_header_video/?output_format=md#parameters)
 * [Return](https://developer.wordpress.org/reference/classes/wp_customize_manager/_sanitize_external_header_video/?output_format=md#return)
 * [Source](https://developer.wordpress.org/reference/classes/wp_customize_manager/_sanitize_external_header_video/?output_format=md#source)
 * [Related](https://developer.wordpress.org/reference/classes/wp_customize_manager/_sanitize_external_header_video/?output_format=md#related)
 * [Changelog](https://developer.wordpress.org/reference/classes/wp_customize_manager/_sanitize_external_header_video/?output_format=md#changelog)

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

Callback for sanitizing the external_header_video value.

## 󠀁[Parameters](https://developer.wordpress.org/reference/classes/wp_customize_manager/_sanitize_external_header_video/?output_format=md#parameters)󠁿

 `$value`stringrequired

URL.

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

 string Sanitized URL.

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

    ```php
    public function _sanitize_external_header_video( $value ) {
    	return sanitize_url( trim( $value ) );
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/class-wp-customize-manager.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.0/src/wp-includes/class-wp-customize-manager.php#L6141)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-customize-manager.php#L6141-L6143)

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

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

Sanitizes a URL for database or redirect usage.

  |

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

| Version | Description | 
| [4.7.1](https://developer.wordpress.org/reference/since/4.7.1/) | Introduced. |

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