不重启tor切换IP

/**
 * Switch TOR to a new identity.
 **/
function tor_new_identity($tor_ip='127.0.0.1', $control_port='9051', $auth_code=''){
    $fp = fsockopen($tor_ip, $control_port, $errno, $errstr, 30);
    if (!$fp) return false; //can't connect to the control port

    fputs($fp, "AUTHENTICATE \"$auth_code\"\r\n");
    $response = fread($fp, 1024);
    list($code, $text) = explode(' ', $response, 2);
    if ($code != '250') return false; //authentication failed

    //send the request to for new identity
    fputs($fp, "signal NEWNYM\r\n");
    $response = fread($fp, 1024);
    list($code, $text) = explode(' ', $response, 2);
    if ($code != '250') return false; //signal failed

    fclose($fp);
    return true;
}

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