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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 |
|---|---|
| 343 | |
| 344 | if ( empty($tags) ) |
| 345 | return; |
| 346 | |
| 347 | $return = wp_generate_tag_cloud( $tags, $args ); // Here's where those top tags get sorted according to $args |
| 348 | |
| 349 | if ( is_wp_error( $return ) ) |
| 350 | return false; |
| 351 | |
| 352 | $return = apply_filters( 'wp_tag_cloud', $return, $args ); |
| 353 | |
| 354 | if ( 'array' == $args['format'] ) |
| 355 | return $return; |
| 356 | |
| 357 | echo $return; |
| 358 | } |
| 359 | |
| 360 | // $tags = prefetched tag array ( get_tags() ) |
| 361 | // $args['format'] = 'flat' => whitespace separated, 'list' => UL, 'array' => array() |