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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 |
|---|---|
| 208 | $user_id = (int) $user_id; |
| 209 | /** |
| 210 | * Fires before a user is removed from a site. |
| 211 | * |
| 212 | * @since MU |
| 213 | * |
| 214 | * @param int $user_id User ID. |
| 215 | * @param int $blog_id Blog ID. |
| 216 | */ |
| 217 | do_action( 'remove_user_from_blog', $user_id, $blog_id ); |
| 218 | |
| 219 | // If being removed from the primary blog, set a new primary if the user is assigned |
| 220 | // to multiple blogs. |
| 221 | $primary_blog = get_user_meta($user_id, 'primary_blog', true); |
| 222 | if ( $primary_blog == $blog_id ) { |
| 223 | $new_id = ''; |
| 224 | $new_domain = ''; |
| 225 | $blogs = get_blogs_of_user($user_id); |
| 226 | foreach ( (array) $blogs as $blog ) { |