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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 |
|---|---|
| 401 | * @since 3.9.0 |
| 402 | * |
| 403 | * @param null|bool|object $network Network value to return by path. |
| 404 | * @param string $domain The requested domain. |
| 405 | * @param string $path The requested path, in full. |
| 406 | * @param int|null $segments The suggested number of paths to consult. |
| 407 | * Default null, meaning the entire path was to be consulted. |
| 408 | * @param array $paths The paths to search for, based on $path and $segments. |
| 409 | */ |
| 410 | $pre = apply_filters( 'pre_get_network_by_path', null, $domain, $path, $segments, $paths ); |
| 411 | if ( null !== $pre ) { |
| 412 | return $pre; |
| 413 | } |
| 414 | |
| 415 | if ( ! $using_paths ) { |
| 416 | $networks = get_networks( array( |
| 417 | 'number' => 1, |
| 418 | 'orderby' => array( |
| 419 | 'domain_length' => 'DESC', |