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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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618 |
|
619 | /** |
620 | * Filter the tag cloud output. |
621 | * |
622 | * @since 2.3.0 |
623 | * |
624 | * @param string $return HTML output of the tag cloud. |
625 | * @param array $args An array of tag cloud arguments. |
626 | */ |
627 | $return = apply_filters( 'wp_tag_cloud', $return, $args ); |
628 |
|
629 | if ( 'array' == $args['format'] || empty($args['echo']) ) |
630 | return $return; |
631 |
|
632 | echo $return; |
633 | } |
634 |
|
635 | /** |
636 | * Default topic count scaling for tag links |