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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 |
|---|---|
| 1232 | /** |
| 1233 | * Fires after the current blog's 'public' setting is updated. |
| 1234 | * |
| 1235 | * @since MU (3.0.0) |
| 1236 | * |
| 1237 | * @param int $site_id Site ID. |
| 1238 | * @param string $is_public Whether the site is public. A numeric string, |
| 1239 | * for compatibility reasons. Accepts '1' or '0'. |
| 1240 | */ |
| 1241 | do_action( 'update_blog_public', $site_id, $new_site->public ); |
| 1242 | } |
| 1243 | } |
| 1244 | |
| 1245 | /** |
| 1246 | * Cleans the necessary caches after specific site data has been updated. |
| 1247 | * |
| 1248 | * @since 5.1.0 |
| 1249 | * |
| 1250 | * @param WP_Site $new_site The site object after the update. |