Title: WP_Widget_Factory::__construct
Published: August 18, 2015
Last modified: April 28, 2025

---

# WP_Widget_Factory::__construct()

## In this article

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

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

PHP5 constructor.

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

    ```php
    public function __construct() {
    	add_action( 'widgets_init', array( $this, '_register_widgets' ), 100 );
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/class-wp-widget-factory.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/6.9.4/src/wp-includes/class-wp-widget-factory.php#L32)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-widget-factory.php#L32-L34)

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

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

Adds a callback function to an action hook.

  |

| Used by | Description | 
| [WP_Widget_Factory::WP_Widget_Factory()](https://developer.wordpress.org/reference/classes/wp_widget_factory/wp_widget_factory/)`wp-includes/class-wp-widget-factory.php` |

PHP4 constructor.

  |

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

| Version | Description | 
| [4.3.0](https://developer.wordpress.org/reference/since/4.3.0/) | Introduced. |

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