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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.
| Line | Code |
|---|---|
| 1352 | break; |
| 1353 | case 'save-widget' : |
| 1354 | check_ajax_referer( 'save-sidebar-widgets', 'savewidgets' ); |
| 1355 | |
| 1356 | if ( !current_user_can('edit_theme_options') || !isset($_POST['id_base']) ) |
| 1357 | die('-1'); |
| 1358 | |
| 1359 | unset( $_POST['savewidgets'], $_POST['action'] ); |
| 1360 | |
| 1361 | do_action('load-widgets.php'); |
| 1362 | do_action('widgets.php'); |
| 1363 | do_action('sidebar_admin_setup'); |
| 1364 | |
| 1365 | $id_base = $_POST['id_base']; |
| 1366 | $widget_id = $_POST['widget-id']; |
| 1367 | $sidebar_id = $_POST['sidebar']; |
| 1368 | $multi_number = !empty($_POST['multi_number']) ? (int) $_POST['multi_number'] : 0; |
| 1369 | $settings = isset($_POST['widget-' . $id_base]) && is_array($_POST['widget-' . $id_base]) ? $_POST['widget-' . $id_base] : false; |
| 1370 | $error = '<p>' . __('An error has occurred. Please reload the page and try again.') . '</p>'; |