WP hooks navigation: Home/browse • Actions index • Filters index
To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 436 | } |
| 437 | /** |
| 438 | * Filter the taxonomy drop-down output. |
| 439 | * |
| 440 | * @since 2.1.0 |
| 441 | * |
| 442 | * @param string $output HTML output. |
| 443 | * @param array $r Arguments used to build the drop-down. |
| 444 | */ |
| 445 | $output = apply_filters( 'wp_dropdown_cats', $output, $r ); |
| 446 | |
| 447 | if ( $r['echo'] ) { |
| 448 | echo $output; |
| 449 | } |
| 450 | return $output; |
| 451 | } |
| 452 | |
| 453 | /** |
| 454 | * Display or retrieve the HTML list of categories. |