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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 |
---|---|
3604 | * |
3605 | * @since 3.0.0 |
3606 | * |
3607 | * @param string $url The complete network home URL including scheme and path. |
3608 | * @param string $path Path relative to the network home URL. Blank string |
3609 | * if no path is specified. |
3610 | * @param string|null $orig_scheme Scheme to give the URL context. Accepts 'http', 'https', |
3611 | * 'relative' or null. |
3612 | */ |
3613 | return apply_filters( 'network_home_url', $url, $path, $orig_scheme ); |
3614 | } |
3615 |
|
3616 | /** |
3617 | * Retrieves the URL to the admin area for the network. |
3618 | * |
3619 | * @since 3.0.0 |
3620 | * |
3621 | * @param string $path Optional path relative to the admin URL. Default empty. |
3622 | * @param string $scheme Optional. The scheme to use. Default is 'admin', which obeys force_ssl_admin() |