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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 |
|---|---|
| 546 | if ( is_wp_error( $link ) ) |
| 547 | return false; |
| 548 | |
| 549 | $tags[ $key ]->link = $link; |
| 550 | $tags[ $key ]->id = $tag->term_id; |
| 551 | } |
| 552 | |
| 553 | $return = wp_generate_tag_cloud( $tags, $args ); // Here's where those top tags get sorted according to $args |
| 554 | |
| 555 | $return = apply_filters( 'wp_tag_cloud', $return, $args ); |
| 556 | |
| 557 | if ( 'array' == $args['format'] || empty($args['echo']) ) |
| 558 | return $return; |
| 559 | |
| 560 | echo $return; |
| 561 | } |
| 562 | |
| 563 | /** |
| 564 | * Default text for tooltip for tag links |