_register_widget_update_callback()
Registers the update callback for a widget.
Internal function — this function is designed to be used by the kernel itself. It is not recommended to use this function in your code.
No Hooks.
Return
null
. Nothing (null).
Usage
_register_widget_update_callback( $id_base, $update_callback, $options, ...$params );
- $id_base(string) (required)
- The base ID of a widget created by extending WP_Widget.
- $update_callback(callable) (required)
- Update callback method for the widget.
- $options(array)
- Widget control options. See wp_register_widget_control().
Default: empty array - ...$params(mixed) (required)
- Optional additional parameters to pass to the callback function when it's called.
Notes
- Global. Array. $wp_registered_widget_updates The registered widget updates.
Changelog
Since 2.8.0 | Introduced. |
Since 5.3.0 | Formalized the existing and already documented ...$params parameter by adding it to the function signature. |
_register_widget_update_callback() register widget update callback code WP 6.7.1
function _register_widget_update_callback( $id_base, $update_callback, $options = array(), ...$params ) { global $wp_registered_widget_updates; if ( isset( $wp_registered_widget_updates[ $id_base ] ) ) { if ( empty( $update_callback ) ) { unset( $wp_registered_widget_updates[ $id_base ] ); } return; } $widget = array( 'callback' => $update_callback, 'params' => $params, ); $widget = array_merge( $widget, $options ); $wp_registered_widget_updates[ $id_base ] = $widget; }