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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 |
---|---|
64 | * |
65 | * @since 2.8.0 |
66 | * @since 4.9.0 Added the `$instance` parameter. |
67 | * |
68 | * @see wp_list_pages() |
69 | * |
70 | * @param array $args An array of arguments to retrieve the pages list. |
71 | * @param array $instance Array of settings for the current widget. |
72 | */ |
73 | $out = wp_list_pages( apply_filters( 'widget_pages_args', array( |
74 | 'title_li' => '', |
75 | 'echo' => 0, |
76 | 'sort_column' => $sortby, |
77 | 'exclude' => $exclude |
78 | ), $instance ) ); |
79 |
|
80 | if ( ! empty( $out ) ) { |
81 | echo $args['before_widget']; |
82 | if ( $title ) { |