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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 |
|---|---|
| 950 | * Filter the list of blogs a user belongs to. |
| 951 | * |
| 952 | * @since MU |
| 953 | * |
| 954 | * @param array $blogs An array of blog objects belonging to the user. |
| 955 | * @param int $user_id User ID. |
| 956 | * @param bool $all Whether the returned blogs array should contain all blogs, including |
| 957 | * those marked 'deleted', 'archived', or 'spam'. Default false. |
| 958 | */ |
| 959 | return apply_filters( 'get_blogs_of_user', $blogs, $user_id, $all ); |
| 960 | } |
| 961 | |
| 962 | /** |
| 963 | * Find out whether a user is a member of a given blog. |
| 964 | * |
| 965 | * @since MU 1.1 |
| 966 | * @uses get_blogs_of_user() |
| 967 | * |
| 968 | * @param int $user_id Optional. The unique ID of the user. Defaults to the current user. |