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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 |
|---|---|
| 1357 | * @since 4.4.0 `$pages` added as arguments. |
| 1358 | * |
| 1359 | * @see wp_list_pages() |
| 1360 | * |
| 1361 | * @param string $output HTML output of the pages list. |
| 1362 | * @param array $parsed_args An array of page-listing arguments. See wp_list_pages() |
| 1363 | * for information on accepted arguments. |
| 1364 | * @param WP_Post[] $pages Array of the page objects. |
| 1365 | */ |
| 1366 | $html = apply_filters( 'wp_list_pages', $output, $parsed_args, $pages ); |
| 1367 | |
| 1368 | if ( $parsed_args['echo'] ) { |
| 1369 | echo $html; |
| 1370 | } else { |
| 1371 | return $html; |
| 1372 | } |
| 1373 | } |
| 1374 | |
| 1375 | /** |