register_sidebar_widget() │ WP 2.2.0

Register widget for sidebar with backward compatibility.

Allows $name to be an array that accepts either three elements to grab the first element and the third for the name or just uses the first element of the array for the name.

Passes to wp_register_sidebar_widget() after argument list and backward compatibility is complete.

No Hooks.

Return

null. Nothing (null).

Usage

register_sidebar_widget( $name, $output_callback, $classname, ...$params );

$name(string|int) (required)

Widget ID.

$output_callback(callable) (required)

Run when widget is called.

$classname(string)

Classname widget option.
Default: ''

...$params(mixed) (required)

Widget parameters.

Notes

• See: wp_register_sidebar_widget()

Changelog

register_sidebar_widget() register sidebar widget code ^{WP 6.5.2}

function register_sidebar_widget($name, $output_callback, $classname = '', ...$params) {
	_deprecated_function( __FUNCTION__, '2.8.0', 'wp_register_sidebar_widget()' );
	// Compat.
	if ( is_array( $name ) ) {
		if ( count( $name ) === 3 ) {
			$name = sprintf( $name[0], $name[2] );
		} else {
			$name = $name[0];
		}
	}

	$id      = sanitize_title( $name );
	$options = array();
	if ( ! empty( $classname ) && is_string( $classname ) ) {
		$options['classname'] = $classname;
	}

	wp_register_sidebar_widget( $id, $name, $output_callback, $options, ...$params );
}