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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 |
|---|---|
| 5166 | * |
| 5167 | * Returning a falsey value from the filter will effectively short-circuit |
| 5168 | * the Widgets library from loading. |
| 5169 | * |
| 5170 | * @since 2.8.0 |
| 5171 | * |
| 5172 | * @param bool $wp_maybe_load_widgets Whether to load the Widgets library. |
| 5173 | * Default true. |
| 5174 | */ |
| 5175 | if ( ! apply_filters( 'load_default_widgets', true ) ) { |
| 5176 | return; |
| 5177 | } |
| 5178 | |
| 5179 | require_once ABSPATH . WPINC . '/default-widgets.php'; |
| 5180 | |
| 5181 | add_action( '_admin_menu', 'wp_widgets_add_menu' ); |
| 5182 | } |
| 5183 | |
| 5184 | /** |