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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 |
|---|---|
| 1276 | break; |
| 1277 | case 'save-widget' : |
| 1278 | check_ajax_referer( 'save-sidebar-widgets', 'savewidgets' ); |
| 1279 | |
| 1280 | if ( !current_user_can('switch_themes') || !isset($_POST['id_base']) ) |
| 1281 | die('-1'); |
| 1282 | |
| 1283 | unset( $_POST['savewidgets'], $_POST['action'] ); |
| 1284 | |
| 1285 | do_action('load-widgets.php'); |
| 1286 | do_action('widgets.php'); |
| 1287 | do_action('sidebar_admin_setup'); |
| 1288 | |
| 1289 | $id_base = $_POST['id_base']; |
| 1290 | $widget_id = $_POST['widget-id']; |
| 1291 | $sidebar_id = $_POST['sidebar']; |
| 1292 | $multi_number = !empty($_POST['multi_number']) ? (int) $_POST['multi_number'] : 0; |
| 1293 | $settings = isset($_POST['widget-' . $id_base]) && is_array($_POST['widget-' . $id_base]) ? $_POST['widget-' . $id_base] : false; |
| 1294 | $error = '<p>' . __('An error has occured. Please reload the page and try again.') . '</p>'; |