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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 |
|---|---|
| 192 | $user->set_role(get_option('default_role')); |
| 193 | } |
| 194 | |
| 195 | wp_cache_delete($user_id, 'users'); |
| 196 | wp_cache_delete($user_login, 'userlogins'); |
| 197 | |
| 198 | if ( $update ) |
| 199 | do_action('profile_update', $user_id); |
| 200 | else |
| 201 | do_action('user_register', $user_id); |
| 202 | |
| 203 | return $user_id; |
| 204 | } |
| 205 | |
| 206 | /** |
| 207 | * wp_update_user() - Update an user in the database |
| 208 | * |
| 209 | * It is possible to update a user's password by specifying the |
| 210 | * 'user_pass' value in the $userdata parameter array. |