WordPress Version: 4.9
/**
* Retrieves the URL to the admin area for either the current site or the network depending on context.
*
* @since 3.1.0
*
* @param string $path Optional. Path relative to the admin URL. Default empty.
* @param string $scheme Optional. The scheme to use. Default is 'admin', which obeys force_ssl_admin()
* and is_ssl(). 'http' or 'https' can be passed to force those schemes.
* @return string Admin URL link with optional path appended.
*/
function self_admin_url($path = '', $scheme = 'admin')
{
if (is_network_admin()) {
$url = network_admin_url($path, $scheme);
} elseif (is_user_admin()) {
$url = user_admin_url($path, $scheme);
} else {
$url = admin_url($path, $scheme);
}
/**
* Filters the admin URL for the current site or network depending on context.
*
* @since 4.9.0
*
* @param string $url The complete URL including scheme and path.
* @param string $path Path relative to the URL. Blank string if no path is specified.
* @param string $scheme The scheme to use.
*/
return apply_filters('self_admin_url', $url, $path, $scheme);
}