U_CFUNC PHP_FUNCTION(rbbi_get_binary_rules)
{
    BREAKITER_METHOD_INIT_VARS;
    object = getThis();

    if (zend_parse_parameters_none() == FAILURE) {
        intl_error_set(NULL, U_ILLEGAL_ARGUMENT_ERROR,
                       "rbbi_get_binary_rules: bad arguments", 0 TSRMLS_CC);
        RETURN_FALSE;
    }

    BREAKITER_METHOD_FETCH_OBJECT;

    uint32_t		rules_len;
    const uint8_t	*rules = fetch_rbbi(bio)->getBinaryRules(rules_len);

    if (rules_len > INT_MAX - 1) {
        intl_errors_set(BREAKITER_ERROR_P(bio), BREAKITER_ERROR_CODE(bio),
                        "rbbi_get_binary_rules: the rules are too large",
                        0 TSRMLS_CC);
        RETURN_FALSE;
    }

    char *ret_rules = static_cast<char*>(emalloc(rules_len + 1));
    memcpy(ret_rules, rules, rules_len);
    ret_rules[rules_len] = '\0';

    RETURN_STRINGL(ret_rules, rules_len, 0);
}
U_CFUNC PHP_FUNCTION(rbbi_get_rules)
{
    BREAKITER_METHOD_INIT_VARS;
    object = getThis();

    if (zend_parse_parameters_none() == FAILURE) {
        intl_error_set(NULL, U_ILLEGAL_ARGUMENT_ERROR,
                       "rbbi_get_rules: bad arguments", 0 TSRMLS_CC);
        RETURN_FALSE;
    }

    BREAKITER_METHOD_FETCH_OBJECT;

    const UnicodeString rules = fetch_rbbi(bio)->getRules();

    Z_TYPE_P(return_value) = IS_STRING;
    if (intl_charFromString(rules, &Z_STRVAL_P(return_value),
                            &Z_STRLEN_P(return_value), BREAKITER_ERROR_CODE_P(bio)) == FAILURE)
    {
        intl_errors_set(BREAKITER_ERROR_P(bio), BREAKITER_ERROR_CODE(bio),
                        "rbbi_hash_code: Error converting result to UTF-8 string",
                        0 TSRMLS_CC);
        RETURN_FALSE;
    }
}
U_CFUNC PHP_FUNCTION(rbbi_get_rules)
{
	BREAKITER_METHOD_INIT_VARS;
	object = getThis();

	if (zend_parse_parameters_none() == FAILURE) {
		intl_error_set(NULL, U_ILLEGAL_ARGUMENT_ERROR,
			"rbbi_get_rules: bad arguments", 0);
		RETURN_FALSE;
	}

	BREAKITER_METHOD_FETCH_OBJECT;

	char *str;
	int str_len;
	const UnicodeString rules = fetch_rbbi(bio)->getRules();

	if (intl_charFromString(rules, &str, &str_len, BREAKITER_ERROR_CODE_P(bio)) == FAILURE)
	{
		intl_errors_set(BREAKITER_ERROR_P(bio), BREAKITER_ERROR_CODE(bio),
				"rbbi_hash_code: Error converting result to UTF-8 string",
				0);
		RETURN_FALSE;
	}
	RETVAL_STRINGL(str, str_len);
	//???
	efree(str);
}
U_CFUNC PHP_FUNCTION(rbbi_get_rule_status_vec)
{
    BREAKITER_METHOD_INIT_VARS;
    object = getThis();

    if (zend_parse_parameters_none() == FAILURE) {
        intl_error_set(NULL, U_ILLEGAL_ARGUMENT_ERROR,
                       "rbbi_get_rule_status_vec: bad arguments", 0 TSRMLS_CC);
        RETURN_FALSE;
    }

    BREAKITER_METHOD_FETCH_OBJECT;

    int32_t num_rules = fetch_rbbi(bio)->getRuleStatusVec(NULL, 0,
                        BREAKITER_ERROR_CODE(bio));
    if (BREAKITER_ERROR_CODE(bio) == U_BUFFER_OVERFLOW_ERROR) {
        BREAKITER_ERROR_CODE(bio) = U_ZERO_ERROR;
    } else {
        // should not happen
        INTL_METHOD_CHECK_STATUS(bio, "rbbi_get_rule_status_vec: failed "
                                 " determining the number of status values");
    }
    int32_t *rules = new int32_t[num_rules];
    num_rules = fetch_rbbi(bio)->getRuleStatusVec(rules, num_rules,
                BREAKITER_ERROR_CODE(bio));
    if (U_FAILURE(BREAKITER_ERROR_CODE(bio))) {
        delete[] rules;
        intl_errors_set(BREAKITER_ERROR_P(bio), BREAKITER_ERROR_CODE(bio),
                        "rbbi_get_rule_status_vec: failed obtaining the status values",
                        0 TSRMLS_CC);
        RETURN_FALSE;
    }

    array_init_size(return_value, num_rules);
    for (int32_t i = 0; i < num_rules; i++) {
        add_next_index_long(return_value, rules[i]);
    }
    delete[] rules;
}
U_CFUNC PHP_FUNCTION(rbbi_get_rule_status)
{
    BREAKITER_METHOD_INIT_VARS;
    object = getThis();

    if (zend_parse_parameters_none() == FAILURE) {
        intl_error_set(NULL, U_ILLEGAL_ARGUMENT_ERROR,
                       "rbbi_get_rule_status: bad arguments", 0 TSRMLS_CC);
        RETURN_FALSE;
    }

    BREAKITER_METHOD_FETCH_OBJECT;

    RETURN_LONG(fetch_rbbi(bio)->getRuleStatus());
}