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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 |
|---|---|
| 4537 | |
| 4538 | /** |
| 4539 | * Filters the URI for a page. |
| 4540 | * |
| 4541 | * @since 4.4.0 |
| 4542 | * |
| 4543 | * @param string $uri Page URI. |
| 4544 | * @param WP_Post $page Page object. |
| 4545 | */ |
| 4546 | return apply_filters( 'get_page_uri', $uri, $page ); |
| 4547 | } |
| 4548 | |
| 4549 | /** |
| 4550 | * Retrieve a list of pages (or hierarchical post type items). |
| 4551 | * |
| 4552 | * @global wpdb $wpdb WordPress database abstraction object. |
| 4553 | * |
| 4554 | * @since 1.5.0 |
| 4555 | * |