lib/Braintree/Configuration.php
public static function isUsingProxy()
    {
        $proxyHost = self::$global->getProxyHost();
        $proxyPort = self::$global->getProxyPort();
        return !empty($proxyHost) && !empty($proxyPort);
    }
public static function isUsingProxy()
    {
        $proxyHost = self::$global->getProxyHost();
        $proxyPort = self::$global->getProxyPort();
        return !empty($proxyHost) && !empty($proxyPort);
    }
public static function isUsingProxy ( ) { $ proxyHost = self :: $ global -> getProxyHost ( ) ; $ proxyPort = self :: $ global -> getProxyPort ( ) ; return ! empty ( $ proxyHost ) && ! empty ( $ proxyPort ) ; }
Specifies whether or not a proxy is properly configured

@return bool true if a proxy is configured properly, false if not
Specifies whether or not a proxy is properly configured