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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 |
---|---|
4711 | * |
4712 | * Returning a falsey value from the filter will effectively short-circuit |
4713 | * the Widgets library from loading. |
4714 | * |
4715 | * @since 2.8.0 |
4716 | * |
4717 | * @param bool $wp_maybe_load_widgets Whether to load the Widgets library. |
4718 | * Default true. |
4719 | */ |
4720 | if ( ! apply_filters( 'load_default_widgets', true ) ) { |
4721 | return; |
4722 | } |
4723 |
|
4724 | require_once ABSPATH . WPINC . '/default-widgets.php'; |
4725 |
|
4726 | add_action( '_admin_menu', 'wp_widgets_add_menu' ); |
4727 | } |
4728 |
|
4729 | /** |