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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 |
---|---|
5460 |
|
5461 | /** |
5462 | * Filters the URI for a page. |
5463 | * |
5464 | * @since 4.4.0 |
5465 | * |
5466 | * @param string $uri Page URI. |
5467 | * @param WP_Post $page Page object. |
5468 | */ |
5469 | return apply_filters( 'get_page_uri', $uri, $page ); |
5470 | } |
5471 |
|
5472 | /** |
5473 | * Retrieve an array of pages (or hierarchical post type items). |
5474 | * |
5475 | * @global wpdb $wpdb WordPress database abstraction object. |
5476 | * |
5477 | * @since 1.5.0 |
5478 | * |