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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 |
---|---|
5179 |
|
5180 | /** |
5181 | * Filters the URI for a page. |
5182 | * |
5183 | * @since 4.4.0 |
5184 | * |
5185 | * @param string $uri Page URI. |
5186 | * @param WP_Post $page Page object. |
5187 | */ |
5188 | return apply_filters( 'get_page_uri', $uri, $page ); |
5189 | } |
5190 |
|
5191 | /** |
5192 | * Retrieve a list of pages (or hierarchical post type items). |
5193 | * |
5194 | * @global wpdb $wpdb WordPress database abstraction object. |
5195 | * |
5196 | * @since 1.5.0 |
5197 | * |