Braintree\Util::delimiterToUnderscore PHP Метод

    public static function delimiterToUnderscore($string)
    {
        return preg_replace('/-/', '_', $string);
    }

 public function testDelimeterToUnderscore()
 {
     $this->assertEquals("a_b_c", Braintree\Util::delimiterToUnderscore("a-b-c"));
 }