Browscap.php

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<?php
#require_once 'Zend/Http/UserAgent/Features/Adapter.php';

class Zend_Http_UserAgent_Features_Adapter_Browscap
    implements Zend_Http_UserAgent_Features_Adapter
{
    public function __construct()
    {
        $browscap = ini_get('browscap');
        if (empty($browscap) || !file_exists($browscap)) {
            #require_once 'Zend/Http/UserAgent/Features/Exception.php';
            throw new Zend_Http_UserAgent_Features_Exception(sprintf(
                '%s requires a browscap entry in php.ini pointing to a valid browscap.ini; none present',
                __CLASS__
            ));
        }
    }

    public static function getFromRequest($request, array $config)
    {
        $browscap = get_browser($request['http_user_agent'], true);
        $features = array();

        if (is_array($browscap)) {
            foreach ($browscap as $key => $value) {
                // For a few keys, we need to munge a bit for the device object
                switch ($key) {
                    case 'browser':
                        $features['mobile_browser'] = $value;
                        break;

                    case 'version':
                        $features['mobile_browser_version'] = $value;
                        break;

                    case 'platform':
                        $features['device_os'] = $value;
                        break;

                    default:
                        $features[$key] = $value;
                        break;
                }
            }
        }

        return $features;
    }
}