Title: WP_Customize_Manager::get_preview_url
Published: December 9, 2015
Last modified: February 24, 2026

---

# WP_Customize_Manager::get_preview_url(): string

## In this article

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

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

Gets the initial URL to be previewed.

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

 string URL being previewed.

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

    ```php
    public function get_preview_url() {
    	if ( empty( $this->preview_url ) ) {
    		$preview_url = home_url( '/' );
    	} else {
    		$preview_url = $this->preview_url;
    	}
    	return $preview_url;
    }
    ```

[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/6.9.4/src/wp-includes/class-wp-customize-manager.php#L4620)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-customize-manager.php#L4620-L4627)

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

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

Retrieves the URL for the current site where the front end is accessible.

  |

| Used by | Description | 
| [WP_Customize_Manager::customize_pane_settings()](https://developer.wordpress.org/reference/classes/wp_customize_manager/customize_pane_settings/)`wp-includes/class-wp-customize-manager.php` |

Prints JavaScript settings for parent window.

  |

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

| Version | Description | 
| [4.4.0](https://developer.wordpress.org/reference/since/4.4.0/) | Introduced. |

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