BrowscapPHP\Browscap::getBrowser PHP Method

    public function getBrowser($userAgent = null)
    {
        if (null === $this->getCache()->getVersion()) {
            // there is no active/warm cache available
            throw new Exception('there is no active cache available, please run the update command');
        }
        // Automatically detect the useragent
        if (!isset($userAgent)) {
            $support = new Helper\Support($_SERVER);
            $userAgent = $support->getUserAgent();
        }
        // try to get browser data
        $formatter = $this->getParser()->getBrowser($userAgent);
        // if return is still NULL, updates are disabled... in this
        // case we return an empty formatter instance
        if ($formatter === null) {
            return $this->getFormatter()->getData();
        }
        return $formatter->getData();
    }

 /**
  * @dataProvider providerUserAgent
  * @depends testCheckProperties
  * @group compare
  *
  * @param string $userAgent
  */
 public function testCompare($userAgent)
 {
     $libResult = get_browser($userAgent);
     $bcResult = self::$object->getBrowser($userAgent);
     foreach (array_keys($this->properties) as $bcProp) {
         if (in_array($bcProp, array('browser_name_regex', 'browser_name_pattern', 'Parent'))) {
             continue;
         }
         $bcProp = strtolower($bcProp);
         self::assertObjectHasAttribute($bcProp, $libResult, 'Actual library result does not have "' . $bcProp . '" property');
         self::assertObjectHasAttribute($bcProp, $bcResult, 'Actual browscap result does not have "' . $bcProp . '" property');
         $libValue = (string) $libResult->{$bcProp};
         $bcValue = (string) $bcResult->{$bcProp};
         self::assertSame($libValue, $bcValue, 'Expected actual "' . $bcProp . '" to be "' . $libValue . '" (was "' . $bcValue . '"; used pattern: ' . $bcResult->browser_name_pattern . ')');
     }
 }