Warning: This function has been deprecated. Use wp_register_sidebar_widget() instead.

register_sidebar_widget( string|int $name, callable $output_callback, string $classname = '', mixed $params )

Register widget for sidebar with backward compatibility.


Description

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.

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See also


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Parameters

$name string|int Required
Widget ID.
$output_callback callable Required
Run when widget is called.
$classname string Optional
Classname widget option.

Default: ''

$params mixed Optional
Widget parameters.

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Source

File: wp-includes/deprecated.php. View all references

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 );
}


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Changelog

Changelog
Version Description
2.8.0 Use wp_register_sidebar_widget()
2.2.0 Introduced.

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