TijsVerkoyen\Twitter\Twitter::accountSettingsUpdate PHP Method

    public function accountSettingsUpdate($trendLocationWoeId = null, $sleepTimeEnabled = null, $startSleepTime = null, $endSleepTime = null, $timeZone = null, $lang = null)
    {
        // build parameters
        if ($trendLocationWoeId !== null) {
            $parameters['trend_location_woeid'] = (string) $trendLocationWoeId;
        }
        if ($sleepTimeEnabled !== null) {
            if ((bool) $sleepTimeEnabled) {
                $parameters['sleep_time_enabled'] = 'true';
            } else {
                $parameters['sleep_time_enabled'] = 'false';
            }
        }
        if ($startSleepTime !== null) {
            $parameters['start_sleep_time'] = (string) $startSleepTime;
        }
        if ($endSleepTime !== null) {
            $parameters['end_sleep_time'] = (string) $endSleepTime;
        }
        if ($timeZone !== null) {
            $parameters['time_zone'] = (string) $timeZone;
        }
        if ($lang !== null) {
            $parameters['lang'] = (string) $lang;
        }
        // make the call
        return $this->doCall('account/settings.json', $parameters, true, 'POST');
    }

 /**
  * Tests Twitter->accountSettingsUpdate
  */
 public function testAccountSettingsUpdate()
 {
     $response = $this->twitter->accountSettingsUpdate(null, null, null, null, null, 'en');
     $this->assertArrayHasKey('protected', $response);
     $this->assertArrayHasKey('screen_name', $response);
     $this->assertArrayHasKey('discoverable_by_email', $response);
     $this->assertArrayHasKey('time_zone', $response);
     $this->assertArrayHasKey('tzinfo_name', $response['time_zone']);
     $this->assertArrayHasKey('name', $response['time_zone']);
     $this->assertArrayHasKey('utc_offset', $response['time_zone']);
     $this->assertArrayHasKey('use_cookie_personalization', $response);
     $this->assertArrayHasKey('sleep_time', $response);
     $this->assertArrayHasKey('enabled', $response['sleep_time']);
     $this->assertArrayHasKey('start_time', $response['sleep_time']);
     $this->assertArrayHasKey('end_time', $response['sleep_time']);
     $this->assertArrayHasKey('geo_enabled', $response);
     $this->assertArrayHasKey('always_use_https', $response);
     $this->assertArrayHasKey('language', $response);
 }