WP_Widget_Factory::register( string|WP_Widget $widget )

Registers a widget subclass.

Parameters

$widget: (Required) Either the name of a WP_Widget subclass or an instance of a WP_Widget subclass.

Source

File: wp-includes/class-wp-widget-factory.php

	public function register( $widget ) {
		if ( $widget instanceof WP_Widget ) {
			$this->widgets[ $this->hash_object( $widget ) ] = $widget;
		} else {
			$this->widgets[ $widget ] = new $widget();
		}
	}

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Changelog

Changelog
Version	Description
4.6.0	Updated the `$widget` parameter to also accept a WP_Widget instance object instead of simply a `WP_Widget` subclass name.
2.8.0	Introduced.