_register_widget_form_callback

Source code

function _register_widget_form_callback($id, $name, $form_callback, $options = array()) {

	global $wp_registered_widget_controls;



	$id = strtolower($id);



	if ( empty($form_callback) ) {

		unset($wp_registered_widget_controls[$id]);

		return;

	}



	if ( isset($wp_registered_widget_controls[$id]) && !did_action( 'widgets_init' ) )

		return;



	$defaults = array('width' => 250, 'height' => 200 );

	$options = wp_parse_args($options, $defaults);

	$options['width'] = (int) $options['width'];

	$options['height'] = (int) $options['height'];



	$widget = array(

		'name' => $name,

		'id' => $id,

		'callback' => $form_callback,

		'params' => array_slice(func_get_args(), 4)

	);

	$widget = array_merge($widget, $options);



	$wp_registered_widget_controls[$id] = $widget;

}