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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
This hook occurs 2 times in this file.
Line | Code |
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276 | * |
277 | * @since 3.9.0 |
278 | * @access public |
279 | */ |
280 | public function customize_controls_init() { |
281 | /** This action is documented in wp-admin/includes/ajax-actions.php */ |
282 | do_action( 'load-widgets.php' ); |
283 |
|
284 | /** This action is documented in wp-admin/includes/ajax-actions.php */ |
285 | do_action( 'widgets.php' ); |
286 |
|
287 | /** This action is documented in wp-admin/widgets.php */ |
288 | do_action( 'sidebar_admin_setup' ); |
289 | } |
290 |
|
291 | /** |
292 | * Ensure widgets are available for all types of previews. |
293 | * |
294 | * When in preview, hook to 'customize_register' for settings |
Line | Code |
1423 |
|
1424 | if ( empty( $_POST['widget-id'] ) ) { |
1425 | wp_send_json_error( 'missing_widget-id' ); |
1426 | } |
1427 |
|
1428 | /** This action is documented in wp-admin/includes/ajax-actions.php */ |
1429 | do_action( 'load-widgets.php' ); |
1430 |
|
1431 | /** This action is documented in wp-admin/includes/ajax-actions.php */ |
1432 | do_action( 'widgets.php' ); |
1433 |
|
1434 | /** This action is documented in wp-admin/widgets.php */ |
1435 | do_action( 'sidebar_admin_setup' ); |
1436 |
|
1437 | $widget_id = $this->get_post_value( 'widget-id' ); |
1438 | $parsed_id = $this->parse_widget_id( $widget_id ); |
1439 | $id_base = $parsed_id['id_base']; |
1440 |
|
1441 | $is_updating_widget_template = ( |