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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 |
|---|---|
| 714 | $cat_args['title_li'] = ''; |
| 715 | |
| 716 | /** |
| 717 | * Filter the arguments for the Categories widget. |
| 718 | * |
| 719 | * @since 2.8.0 |
| 720 | * |
| 721 | * @param array $cat_args An array of Categories widget options. |
| 722 | */ |
| 723 | wp_list_categories( apply_filters( 'widget_categories_args', $cat_args ) ); |
| 724 | ?> |
| 725 | </ul> |
| 726 | <?php |
| 727 | } |
| 728 | |
| 729 | echo $args['after_widget']; |
| 730 | } |
| 731 | |
| 732 | /** |