lib/Braintree/Configuration.php
public static function isAuthenticatedProxy()
    {
        $proxyUser = self::$global->getProxyUser();
        $proxyPwd = self::$global->getProxyPassword();
        return !empty($proxyUser) && !empty($proxyPwd);
    }
public static function isAuthenticatedProxy()
    {
        $proxyUser = self::$global->getProxyUser();
        $proxyPwd = self::$global->getProxyPassword();
        return !empty($proxyUser) && !empty($proxyPwd);
    }
public static function isAuthenticatedProxy ( ) { $ proxyUser = self :: $ global -> getProxyUser ( ) ; $ proxyPwd = self :: $ global -> getProxyPassword ( ) ; return ! empty ( $ proxyUser ) && ! empty ( $ proxyPwd ) ; }
Specified whether or not a username and password have been provided for
use with an authenticated proxy

@return bool true if both proxyUser and proxyPassword are present
Specified whether or not a username and password have been provided for use with an authenticated proxy