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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 |
|---|---|
| 1664 | * @uses add_user_to_blog() |
| 1665 | * |
| 1666 | * @param array $details |
| 1667 | */ |
| 1668 | function add_existing_user_to_blog( $details = false ) { |
| 1669 | global $blog_id; |
| 1670 | |
| 1671 | if ( is_array( $details ) ) { |
| 1672 | $result = add_user_to_blog( $blog_id, $details[ 'user_id' ], $details[ 'role' ] ); |
| 1673 | do_action( 'added_existing_user', $details[ 'user_id' ], $result ); |
| 1674 | } |
| 1675 | return $result; |
| 1676 | } |
| 1677 | |
| 1678 | /** |
| 1679 | * Add a newly created user to the appropriate blog |
| 1680 | * |
| 1681 | * To add a user in general, use add_user_to_blog(). This function |
| 1682 | * is specifically hooked into the wpmu_activate_user action. |