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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 |
|---|---|
| 4466 | |
| 4467 | /** |
| 4468 | * Filters the URI for a page. |
| 4469 | * |
| 4470 | * @since 4.4.0 |
| 4471 | * |
| 4472 | * @param string $uri Page URI. |
| 4473 | * @param WP_Post $page Page object. |
| 4474 | */ |
| 4475 | return apply_filters( 'get_page_uri', $uri, $page ); |
| 4476 | } |
| 4477 | |
| 4478 | /** |
| 4479 | * Retrieve a list of pages (or hierarchical post type items). |
| 4480 | * |
| 4481 | * @global wpdb $wpdb WordPress database abstraction object. |
| 4482 | * |
| 4483 | * @since 1.5.0 |
| 4484 | * |