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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 |
|---|---|
| 686 | $return .= join( "</li>\n\t<li>", $a ); |
| 687 | $return .= "</li>\n</ul>\n"; |
| 688 | break; |
| 689 | default : |
| 690 | $return = join( $separator, $a ); |
| 691 | break; |
| 692 | endswitch; |
| 693 | |
| 694 | if ( $filter ) |
| 695 | return apply_filters( 'wp_generate_tag_cloud', $return, $tags, $args ); |
| 696 | else |
| 697 | return $return; |
| 698 | } |
| 699 | |
| 700 | /** |
| 701 | * Callback for comparing objects based on name |
| 702 | * |
| 703 | * @since 3.1.0 |
| 704 | * @access private |