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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" )
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.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
---|---|
2322 | /** |
2323 | * Fires immediately after an existing user is added to a site. |
2324 | * |
2325 | * @since MU (3.0.0) |
2326 | * |
2327 | * @param int $user_id User ID. |
2328 | * @param true|WP_Error $result True on success or a WP_Error object if the user doesn't exist |
2329 | * or could not be added. |
2330 | */ |
2331 | do_action( 'added_existing_user', $details['user_id'], $result ); |
2332 |
|
2333 | return $result; |
2334 | } |
2335 | } |
2336 |
|
2337 | /** |
2338 | * Adds a newly created user to the appropriate blog |
2339 | * |
2340 | * To add a user in general, use add_user_to_blog(). This function |