Used By
Used By | Description |
---|---|
wp-includes/class-wp-widget.php: WP_Widget::_register_one() | Registers an instance of the widget class. |
Registers the update callback for a widget.
(string) (Required) The base ID of a widget created by extending WP_Widget.
(callable) (Required) Update callback method for the widget.
(array) (Optional) Widget control options. See wp_register_widget_control().
Default value: array()
(mixed) (Optional) additional parameters to pass to the callback function when it's called.
File: wp-includes/widgets.php
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 ] = $widget; }
Version | Description |
---|---|
5.3.0 | Formalized the existing and already documented ...$params parameter by adding it to the function signature. |
2.8.0 | Introduced. |
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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/_register_widget_update_callback