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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 |
---|---|
694 | $return .= join( "</li>\n\t<li>", $a ); |
695 | $return .= "</li>\n</ul>\n"; |
696 | break; |
697 | default : |
698 | $return = join( $separator, $a ); |
699 | break; |
700 | endswitch; |
701 |
|
702 | if ( $filter ) |
703 | return apply_filters( 'wp_generate_tag_cloud', $return, $tags, $args ); |
704 | else |
705 | return $return; |
706 | } |
707 |
|
708 | // |
709 | // Helper functions |
710 | // |
711 |
|
712 | /** |