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DeviceDetectorFactory.php « core - github.com/matomo-org/matomo.git - Unnamed repository; edit this file 'description' to name the repository.
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<?php
/**
 * Piwik - free/libre analytics platform
 *
 * @link http://piwik.org
 * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 *
 */
namespace Piwik;

use DeviceDetector\DeviceDetector;

class DeviceDetectorFactory
{
    protected static $deviceDetectorInstances = array();

    /**
     * Returns a Singleton instance of DeviceDetector for the given user agent
     * @param string $userAgent
     * @return DeviceDetector
     */
    public static function getInstance($userAgent)
    {
        if (array_key_exists($userAgent, self::$deviceDetectorInstances)) {

            return self::$deviceDetectorInstances[$userAgent];
        }

        $deviceDetector = new DeviceDetector($userAgent);
        $deviceDetector->discardBotInformation();
        $deviceDetector->setCache(new DeviceDetectorCache(86400));
        $deviceDetector->parse();

        self::$deviceDetectorInstances[$userAgent] = $deviceDetector;

        return $deviceDetector;
    }

}