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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 |
---|---|
730 |
|
731 | /** |
732 | * Filter the tag cloud output. |
733 | * |
734 | * @since 2.3.0 |
735 | * |
736 | * @param string $return HTML output of the tag cloud. |
737 | * @param array $args An array of tag cloud arguments. |
738 | */ |
739 | $return = apply_filters( 'wp_tag_cloud', $return, $args ); |
740 |
|
741 | if ( 'array' == $args['format'] || empty($args['echo']) ) |
742 | return $return; |
743 |
|
744 | echo $return; |
745 | } |
746 |
|
747 | /** |
748 | * Default topic count scaling for tag links |