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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 |
|---|---|
| 2388 | else |
| 2389 | return false; |
| 2390 | |
| 2391 | clean_user_cache( $user_id ); |
| 2392 | wp_cache_delete( $user_id, 'user_meta' ); |
| 2393 | |
| 2394 | if ( !$cur ) |
| 2395 | do_action( 'added_usermeta', $wpdb->insert_id, $user_id, $meta_key, $meta_value ); |
| 2396 | else |
| 2397 | do_action( 'updated_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value ); |
| 2398 | |
| 2399 | return true; |
| 2400 | } |
| 2401 | |
| 2402 | /** |
| 2403 | * Get users for the blog. |
| 2404 | * |
| 2405 | * For setups that use the multi-blog feature. Can be used outside of the |
| 2406 | * multi-blog feature. |