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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 |
|---|---|
| 63 | /** |
| 64 | * Filters the arguments for the Pages widget. |
| 65 | * |
| 66 | * @since 2.8.0 |
| 67 | * |
| 68 | * @see wp_list_pages() |
| 69 | * |
| 70 | * @param array $args An array of arguments to retrieve the pages list. |
| 71 | */ |
| 72 | $out = wp_list_pages( apply_filters( 'widget_pages_args', array( |
| 73 | 'title_li' => '', |
| 74 | 'echo' => 0, |
| 75 | 'sort_column' => $sortby, |
| 76 | 'exclude' => $exclude |
| 77 | ) ) ); |
| 78 | |
| 79 | if ( ! empty( $out ) ) { |
| 80 | echo $args['before_widget']; |
| 81 | if ( $title ) { |