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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 |
---|---|
2774 | /** |
2775 | * Filter the network admin URL. |
2776 | * |
2777 | * @since 3.0.0 |
2778 | * |
2779 | * @param string $url The complete network admin URL including scheme and path. |
2780 | * @param string $path Path relative to the network admin URL. Blank string if |
2781 | * no path is specified. |
2782 | */ |
2783 | return apply_filters( 'network_admin_url', $url, $path ); |
2784 | } |
2785 |
|
2786 | /** |
2787 | * Retrieve the url to the admin area for the current user. |
2788 | * |
2789 | * @since 3.0.0 |
2790 | * |
2791 | * @param string $path Optional path relative to the admin url. |
2792 | * @param string $scheme The scheme to use. Default is 'admin', which obeys force_ssl_admin() and is_ssl(). 'http' or 'https' can be passed to force those schemes. |