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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 |
---|---|
1426 | if ( isset($role) ) |
1427 | $user->set_role($role); |
1428 | elseif ( !$update ) |
1429 | $user->set_role(get_option('default_role')); |
1430 |
|
1431 | wp_cache_delete($user_id, 'users'); |
1432 | wp_cache_delete($user_login, 'userlogins'); |
1433 |
|
1434 | if ( $update ) |
1435 | do_action('profile_update', $user_id, $old_user_data); |
1436 | else |
1437 | do_action('user_register', $user_id); |
1438 |
|
1439 | return $user_id; |
1440 | } |
1441 |
|
1442 | /** |
1443 | * Update an user in the database. |
1444 | * |