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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 |
|---|---|
| 1257 | /** |
| 1258 | * Fires before rendering the requested widget. |
| 1259 | * |
| 1260 | * @since 3.0.0 |
| 1261 | * |
| 1262 | * @param string $widget The widget's class name. |
| 1263 | * @param array $instance The current widget instance's settings. |
| 1264 | * @param array $args An array of the widget's sidebar arguments. |
| 1265 | */ |
| 1266 | do_action( 'the_widget', $widget, $instance, $args ); |
| 1267 | |
| 1268 | $widget_obj->_set( -1 ); |
| 1269 | $widget_obj->widget( $args, $instance ); |
| 1270 | } |
| 1271 | |
| 1272 | /** |
| 1273 | * Retrieves the widget ID base value. |
| 1274 | * |
| 1275 | * @since 2.8.0 |