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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 |
|---|---|
| 578 | if ( is_wp_error( $link ) ) |
| 579 | return false; |
| 580 | |
| 581 | $tags[ $key ]->link = $link; |
| 582 | $tags[ $key ]->id = $tag->term_id; |
| 583 | } |
| 584 | |
| 585 | $return = wp_generate_tag_cloud( $tags, $args ); // Here's where those top tags get sorted according to $args |
| 586 | |
| 587 | $return = apply_filters( 'wp_tag_cloud', $return, $args ); |
| 588 | |
| 589 | if ( 'array' == $args['format'] || empty($args['echo']) ) |
| 590 | return $return; |
| 591 | |
| 592 | echo $return; |
| 593 | } |
| 594 | |
| 595 | /** |
| 596 | * Default text for tooltip for tag links |