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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 348 | * |
| 349 | * At the time of this action, the only recourse is to redirect somewhere |
| 350 | * and exit. If you want to declare a particular network, do so earlier. |
| 351 | * |
| 352 | * @since 4.4.0 |
| 353 | * |
| 354 | * @param string $domain The domain used to search for a network. |
| 355 | * @param string $path The path used to search for a path. |
| 356 | */ |
| 357 | do_action( 'ms_network_not_found', $domain, $path ); |
| 358 | |
| 359 | return false; |
| 360 | } elseif ( $path === $current_site->path ) { |
| 361 | $current_blog = get_site_by_path( $domain, $path ); |
| 362 | } else { |
| 363 | // Search the network path + one more path segment (on top of the network path). |
| 364 | $current_blog = get_site_by_path( $domain, $path, substr_count( $current_site->path, '/' ) ); |
| 365 | } |
| 366 | } else { |
| Line | Code |
| 376 | |
| 377 | // The network declared by the site trumps any constants. |
| 378 | if ( $current_blog && $current_blog->site_id != $current_site->id ) { |
| 379 | $current_site = WP_Network::get_instance( $current_blog->site_id ); |
| 380 | } |
| 381 | |
| 382 | // No network has been found, bail. |
| 383 | if ( empty( $current_site ) ) { |
| 384 | /** This action is documented in wp-includes/ms-settings.php */ |
| 385 | do_action( 'ms_network_not_found', $domain, $path ); |
| 386 | |
| 387 | return false; |
| 388 | } |
| 389 | |
| 390 | // During activation of a new subdomain, the requested site does not yet exist. |
| 391 | if ( empty( $current_blog ) && wp_installing() ) { |
| 392 | $current_blog = new stdClass; |
| 393 | $current_blog->blog_id = 1; |
| 394 | $blog_id = 1; |