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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 |
---|---|
4461 |
|
4462 | /** |
4463 | * Filters the URI for a page. |
4464 | * |
4465 | * @since 4.4.0 |
4466 | * |
4467 | * @param string $uri Page URI. |
4468 | * @param WP_Post $page Page object. |
4469 | */ |
4470 | return apply_filters( 'get_page_uri', $uri, $page ); |
4471 | } |
4472 |
|
4473 | /** |
4474 | * Retrieve a list of pages. |
4475 | * |
4476 | * @global wpdb $wpdb WordPress database abstraction object. |
4477 | * |
4478 | * @since 1.5.0 |
4479 | * |