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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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663 | /** |
664 | * Filters the HTML output of a taxonomy list. |
665 | * |
666 | * @since 2.1.0 |
667 | * |
668 | * @param string $output HTML output. |
669 | * @param array|string $args An array or query string of taxonomy-listing arguments. See |
670 | * wp_list_categories() for information on accepted arguments. |
671 | */ |
672 | $html = apply_filters( 'wp_list_categories', $output, $args ); |
673 |
|
674 | if ( $parsed_args['echo'] ) { |
675 | echo $html; |
676 | } else { |
677 | return $html; |
678 | } |
679 | } |
680 |
|
681 | /** |