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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 |
---|---|
4703 |
|
4704 | /** |
4705 | * Filters the URI for a page. |
4706 | * |
4707 | * @since 4.4.0 |
4708 | * |
4709 | * @param string $uri Page URI. |
4710 | * @param WP_Post $page Page object. |
4711 | */ |
4712 | return apply_filters( 'get_page_uri', $uri, $page ); |
4713 | } |
4714 |
|
4715 | /** |
4716 | * Retrieve a list of pages (or hierarchical post type items). |
4717 | * |
4718 | * @global wpdb $wpdb WordPress database abstraction object. |
4719 | * |
4720 | * @since 1.5.0 |
4721 | * |