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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 |
|---|---|
| 5374 | * |
| 5375 | * Returning a falsey value from the filter will effectively short-circuit |
| 5376 | * the Widgets library from loading. |
| 5377 | * |
| 5378 | * @since 2.8.0 |
| 5379 | * |
| 5380 | * @param bool $wp_maybe_load_widgets Whether to load the Widgets library. |
| 5381 | * Default true. |
| 5382 | */ |
| 5383 | if ( ! apply_filters( 'load_default_widgets', true ) ) { |
| 5384 | return; |
| 5385 | } |
| 5386 | |
| 5387 | require_once ABSPATH . WPINC . '/default-widgets.php'; |
| 5388 | |
| 5389 | add_action( '_admin_menu', 'wp_widgets_add_menu' ); |
| 5390 | } |
| 5391 | |
| 5392 | /** |