Uses
Uses | Description |
---|---|
wp-includes/functions.php: wp_parse_args() | Merge user defined arguments into defaults array. |
wp-includes/plugin.php: did_action() | Retrieve the number of times an action is fired. |
Registers the form callback for a widget.
(int|string) (Required) Widget ID.
(string) (Required) Name attribute for the widget.
(callable) (Required) Form callback.
(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_form_callback( $id, $name, $form_callback, $options = array(), ...$params ) { 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' => $params, ); $widget = array_merge( $widget, $options ); $wp_registered_widget_controls[ $id ] = $widget; }
Version | Description |
---|---|
5.3.0 | Formalized the existing and already documented ...$params parameter by adding it to the function signature. |
2.8.0 | Introduced. |
© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/_register_widget_form_callback