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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 |
|---|---|
| 1039 | * |
| 1040 | * @since MU |
| 1041 | * |
| 1042 | * @param int $blog_id Blog ID. |
| 1043 | * @param int $user_id User ID. |
| 1044 | * @param int $password User password. |
| 1045 | * @param string $signup_title Site title. |
| 1046 | * @param array $meta Signup meta data. |
| 1047 | */ |
| 1048 | do_action( 'wpmu_activate_blog', $blog_id, $user_id, $password, $signup->title, $meta ); |
| 1049 | |
| 1050 | return array('blog_id' => $blog_id, 'user_id' => $user_id, 'password' => $password, 'title' => $signup->title, 'meta' => $meta); |
| 1051 | } |
| 1052 | |
| 1053 | /** |
| 1054 | * Create a user. |
| 1055 | * |
| 1056 | * This function runs when a user self-registers as well as when |
| 1057 | * a Super Admin creates a new user. Hook to {@see 'wpmu_new_user'} for events |