wp_render_widget_control( string $id )

Calls the control callback of a widget and returns the output.

Parameters

$id

(Required) Widget ID.

Return

(string|null)

Source

File: wp-includes/widgets.php 

function wp_render_widget_control( $id ) {
	global $wp_registered_widget_controls;

	if ( ! isset( $wp_registered_widget_controls[ $id ]['callback'] ) ) {
		return null;
	}

	$callback = $wp_registered_widget_controls[ $id ]['callback'];
	$params   = $wp_registered_widget_controls[ $id ]['params'];

	ob_start();

	if ( is_callable( $callback ) ) {
		call_user_func_array( $callback, $params );
	}

	return ob_get_clean();
}

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Changelog

Changelog
Version Description
5.8.0 Introduced.