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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 |
---|---|
570 | if ( is_wp_error( $link ) ) |
571 | return false; |
572 |
|
573 | $tags[ $key ]->link = $link; |
574 | $tags[ $key ]->id = $tag->term_id; |
575 | } |
576 |
|
577 | $return = wp_generate_tag_cloud( $tags, $args ); // Here's where those top tags get sorted according to $args |
578 |
|
579 | $return = apply_filters( 'wp_tag_cloud', $return, $args ); |
580 |
|
581 | if ( 'array' == $args['format'] ) |
582 | return $return; |
583 |
|
584 | echo $return; |
585 | } |
586 |
|
587 | /** |
588 | * Default text for tooltip for tag links |