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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 |
|---|---|
| 1219 | * |
| 1220 | * @since MU (3.0.0) |
| 1221 | * |
| 1222 | * @param int $blog_id Blog ID. |
| 1223 | * @param int $user_id User ID. |
| 1224 | * @param int $password User password. |
| 1225 | * @param string $signup_title Site title. |
| 1226 | * @param array $meta Signup meta data. By default, contains the requested privacy setting and lang_id. |
| 1227 | */ |
| 1228 | do_action( 'wpmu_activate_blog', $blog_id, $user_id, $password, $signup->title, $meta ); |
| 1229 | |
| 1230 | return array( |
| 1231 | 'blog_id' => $blog_id, |
| 1232 | 'user_id' => $user_id, |
| 1233 | 'password' => $password, |
| 1234 | 'title' => $signup->title, |
| 1235 | 'meta' => $meta, |
| 1236 | ); |
| 1237 | } |