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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 |
---|---|
5918 |
|
5919 | /** |
5920 | * Filters the URI for a page. |
5921 | * |
5922 | * @since 4.4.0 |
5923 | * |
5924 | * @param string $uri Page URI. |
5925 | * @param WP_Post $page Page object. |
5926 | */ |
5927 | return apply_filters( 'get_page_uri', $uri, $page ); |
5928 | } |
5929 |
|
5930 | /** |
5931 | * Retrieves an array of pages (or hierarchical post type items). |
5932 | * |
5933 | * @global wpdb $wpdb WordPress database abstraction object. |
5934 | * |
5935 | * @since 1.5.0 |
5936 | * |