$widgets ) {
foreach ( $widgets as $i => $maybe_widget_id ) {
if ( $widget_id === $maybe_widget_id && $sidebar_id !== $maybe_sidebar_id ) {
unset( $sidebars[ $maybe_sidebar_id ][ $i ] );
// We could technically break 2 here, but continue looping in case the id is duplicated.
continue 2;
}
}
}
if ( $sidebar_id ) {
$sidebars[ $sidebar_id ][] = $widget_id;
}
wp_set_sidebars_widgets( $sidebars );
}
/**
* Converts a widget ID into its id_base and number components.
*
* Belongs in wp-includes/widgets.php when merged to Core.
* WP_Customize_Widgets::parse_widget_id should then be deprecated.
*
* @since 10.2.0
*
* @param string $id Widget ID.
* @return array Array containing a widget's id_base and number components.
*/
function gutenberg_parse_widget_id( $id ) {
$parsed = array();
if ( preg_match( '/^(.+)-(\d+)$/', $id, $matches ) ) {
$parsed['id_base'] = $matches[1];
$parsed['number'] = (int) $matches[2];
} else {
// Likely an old single widget.
$parsed['id_base'] = $id;
}
return $parsed;
}
/**
* Calls the render callback of a widget and returns the output.
*
* Belongs in wp-includes/widgets.php when merged to Core. Some of the code in
* dynamic_sidebar() and WP_Customize_Widgets should then be DRYed up.
*
* @since 10.2.0
*
* @param string $widget_id Widget ID.
* @param string $sidebar_id Sidebar ID.
* @return string
*/
function gutenberg_render_widget( $widget_id, $sidebar_id ) {
global $wp_registered_widgets, $wp_registered_sidebars;
if ( ! isset( $wp_registered_widgets[ $widget_id ] ) ) {
return '';
}
if ( isset( $wp_registered_sidebars[ $sidebar_id ] ) ) {
$sidebar = $wp_registered_sidebars[ $sidebar_id ];
} elseif ( 'wp_inactive_widgets' === $sidebar_id ) {
$sidebar = array();
} else {
return '';
}
$params = array_merge(
array(
array_merge(
$sidebar,
array(
'widget_id' => $widget_id,
'widget_name' => $wp_registered_widgets[ $widget_id ]['name'],
)
),
),
(array) $wp_registered_widgets[ $widget_id ]['params']
);
// Substitute HTML `id` and `class` attributes into `before_widget`.
$classname_ = '';
foreach ( (array) $wp_registered_widgets[ $widget_id ]['classname'] as $cn ) {
if ( is_string( $cn ) ) {
$classname_ .= '_' . $cn;
} elseif ( is_object( $cn ) ) {
$classname_ .= '_' . get_class( $cn );
}
}
$classname_ = ltrim( $classname_, '_' );
$params[0]['before_widget'] = sprintf( $params[0]['before_widget'], $widget_id, $classname_ );
/** This filter is documented in wp-includes/widgets.php */
$params = apply_filters( 'dynamic_sidebar_params', $params );
$callback = $wp_registered_widgets[ $widget_id ]['callback'];
ob_start();
/** This filter is documented in wp-includes/widgets.php */
do_action( 'dynamic_sidebar', $wp_registered_widgets[ $widget_id ] );
if ( is_callable( $callback ) ) {
call_user_func_array( $callback, $params );
}
return ob_get_clean();
}
/**
* Calls the control callback of a widget and returns the output.
*
* Belongs in wp-admin/includes/widgets.php when merged to Core. Some of the
* code in wp_widget_control() should then be DRYed up.
*
* @since 10.2.0
*
* @param string $id Widget ID.
* @return string|null
*/
function gutenberg_render_widget_control( $id ) {
global $wp_registered_widget_controls;
if ( ! isset( $wp_registered_widget_controls[ $id ]['callback'] ) ) {
return null;
}
$callback = $wp_registered_widget_controls[ $id ]['callback'];
$params = $wp_registered_widget_controls[ $id ]['params'];
ob_start();
if ( is_callable( $callback ) ) {
call_user_func_array( $callback, $params );
}
return ob_get_clean();
}
/**
* Returns the instance settings of the given widget. Must be a widget that
* is registered using WP_Widget.
*
* Belongs in WP_Widget when merged to Core.
*
* @since 10.2.0
*
* @param string $id Widget ID.
* @return array|null
*/
function gutenberg_get_widget_instance( $id ) {
$parsed_id = gutenberg_parse_widget_id( $id );
$widget_object = gutenberg_get_widget_object( $parsed_id['id_base'] );
if ( ! isset( $parsed_id['number'] ) || ! $widget_object ) {
return null;
}
$all_instances = $widget_object->get_settings();
return $all_instances[ $parsed_id['number'] ];
}
/**
* Returns the registered WP_Widget object for the given widget