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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 |
|---|---|
| 454 | /* ]]> */ |
| 455 | </script> |
| 456 | |
| 457 | <?php |
| 458 | } else { |
| 459 | ?> |
| 460 | <ul> |
| 461 | <?php |
| 462 | $cat_args['title_li'] = ''; |
| 463 | wp_list_categories(apply_filters('widget_categories_args', $cat_args)); |
| 464 | ?> |
| 465 | </ul> |
| 466 | <?php |
| 467 | } |
| 468 | |
| 469 | echo $after_widget; |
| 470 | } |
| 471 | |
| 472 | function update( $new_instance, $old_instance ) { |