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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 |
|---|---|
| 2893 | function wp_maybe_load_widgets() { |
| 2894 | /** |
| 2895 | * Filter whether to load the Widgets library. |
| 2896 | * |
| 2897 | * @since 2.8.0 |
| 2898 | * |
| 2899 | * @param bool $wp_maybe_load_widgets Whether to load the Widgets library. |
| 2900 | * Default true. |
| 2901 | */ |
| 2902 | if ( ! apply_filters( 'load_default_widgets', true ) ) { |
| 2903 | return; |
| 2904 | } |
| 2905 | require_once( ABSPATH . WPINC . '/default-widgets.php' ); |
| 2906 | add_action( '_admin_menu', 'wp_widgets_add_menu' ); |
| 2907 | } |
| 2908 | |
| 2909 | /** |
| 2910 | * Append the Widgets menu to the themes main menu. |
| 2911 | * |