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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 |
---|---|
3430 | * |
3431 | * @since 3.0.0 |
3432 | * |
3433 | * @param string $url The complete network home URL including scheme and path. |
3434 | * @param string $path Path relative to the network home URL. Blank string |
3435 | * if no path is specified. |
3436 | * @param string|null $orig_scheme Scheme to give the URL context. Accepts 'http', 'https', |
3437 | * 'relative' or null. |
3438 | */ |
3439 | return apply_filters( 'network_home_url', $url, $path, $orig_scheme ); |
3440 | } |
3441 |
|
3442 | /** |
3443 | * Retrieves the URL to the admin area for the network. |
3444 | * |
3445 | * @since 3.0.0 |
3446 | * |
3447 | * @param string $path Optional path relative to the admin URL. Default empty. |
3448 | * @param string $scheme Optional. The scheme to use. Default is 'admin', which obeys force_ssl_admin() |