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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 |
|---|---|
| 1744 | * @uses add_user_to_blog() |
| 1745 | * |
| 1746 | * @param array $details |
| 1747 | */ |
| 1748 | function add_existing_user_to_blog( $details = false ) { |
| 1749 | global $blog_id; |
| 1750 | |
| 1751 | if ( is_array( $details ) ) { |
| 1752 | $result = add_user_to_blog( $blog_id, $details[ 'user_id' ], $details[ 'role' ] ); |
| 1753 | do_action( 'added_existing_user', $details[ 'user_id' ], $result ); |
| 1754 | } |
| 1755 | return $result; |
| 1756 | } |
| 1757 | |
| 1758 | /** |
| 1759 | * Add a newly created user to the appropriate blog |
| 1760 | * |
| 1761 | * @since MU |
| 1762 | * |