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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 |
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708 |
|
709 | /** |
710 | * Filters the tag cloud output. |
711 | * |
712 | * @since 2.3.0 |
713 | * |
714 | * @param string $return HTML output of the tag cloud. |
715 | * @param array $args An array of tag cloud arguments. |
716 | */ |
717 | $return = apply_filters( 'wp_tag_cloud', $return, $args ); |
718 |
|
719 | if ( 'array' == $args['format'] || empty($args['echo']) ) |
720 | return $return; |
721 |
|
722 | echo $return; |
723 | } |
724 |
|
725 | /** |
726 | * Default topic count scaling for tag links |