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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 |
|---|---|
| 1454 | register_widget('WP_Widget_Tag_Cloud'); |
| 1455 | |
| 1456 | register_widget('WP_Nav_Menu_Widget'); |
| 1457 | |
| 1458 | /** |
| 1459 | * Fires after all default WordPress widgets have been registered. |
| 1460 | * |
| 1461 | * @since 2.2.0 |
| 1462 | */ |
| 1463 | do_action( 'widgets_init' ); |
| 1464 | } |
| 1465 | |