Mobile device detection in Nette

config.neon

common:
	# ...
	services:
		detector:
			class: MobileDetector
			arguments: ["@httpRequest"]
		# ...

HomepagePresenter.php

<?php

class HomepagePresenter extends BasePresenter
{

	public function actionDefault()
	{
		$detector = $this->context->detector;
		if ($detector->isMobile()) {
			$this->redirect("mobile");
		}
	}

}

MobileDetector.php

<?php

/**
 * Mobile detector service.
 * @author Vic Stanciu, Vaclav Bohac
 * @license MIT License
 */



/**
 * Mobile detector.
 *
 * Original class: http://code.google.com/p/php-mobile-detect/.
 *
 * @author Vic Stanciu, Vaclav Bohac
 */
class MobileDetector extends Nette\Object
{

	/** @var Nette\Http\IRequest */
	private $httpRequest;


	/** @var array */
	protected $devices = array (
		"android"    => "android",
		"blackberry" => "blackberry",
		"iphone"     => "(iphone|ipod)",
		"opera"      => "opera mini",
		"palm"       => "(avantgo|blazer|elaine|hiptop|palm|plucker|xiino)",
		"windows"    => "windows ce; (iemobile|ppc|smartphone)",
		"generic"    => "(kindle|mobile|mmp|midp|o2|pda|pocket|psp|symbian|smartphone|treo|up.browser|up.link|vodafone|wap)"
	);


	/** @var array */
	private $wapTypes = array (
		"text" => "text/vnd.wap.wml",
		"app" => "application/vnd.wap.xhtml+xml"
	);


	/**
	 * @param Nette\Http\IRequest $httpRequest
	 */
	public function __construct(Nette\Http\IRequest $httpRequest)
	{
		$this->httpRequest = $httpRequest;
	}


	/**
	 * Get HttpRequest.
	 * @return Nette\Http\IRequest
	 */
	public function getRequest()
	{
		return $this->httpRequest;
	}


	/**
	 * Is client a mobile device?
	 * @return bool
	 */
	public function isMobile()
	{
		$request = $this->getRequest();

		if ($request->getHeader("x-wap-profile") || $request->getHeader("profile")) {
			return True;
		} 

		$accept = $request->getHeader("accept");
		foreach ($this->wapTypes as $type) {
			if (strpos($accept, $type) !== False) {
				return True;
			}	
		}
		
		foreach (array_keys($this->devices) as $device) {
			if ($this->isDevice($device)) {
				return True;
			}
		}

		return False;
	}


	/**
	 * Is user agent given device (Android, iPhone, ...)?
	 * @return bool
	 */
	public function isDevice($device)
	{
		if (!isset($this->devices[$device])) {
			throw new Nette\InvalidArgumentException("Device '$device' not supported.");
		} else { 
			$header = $this->getRequest()->getHeader("user-agent");
			return (bool) Nette\Utils\Strings::match($header, "~{$this->devices[$device]}~i");
		}
	}

}