1<?php
2
3namespace dokuwiki\plugin\sentry;
4
5/**
6 * File: Browser.php
7 * Author: Chris Schuld (http://chrisschuld.com/)
8 * Last Modified: July 22nd, 2016
9 * @version 2.0
10 * @package PegasusPHP
11 *
12 * Copyright (C) 2008-2010 Chris Schuld  (chris@chrisschuld.com)
13 *
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License as
16 * published by the Free Software Foundation; either version 2 of
17 * the License, or (at your option) any later version.
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
22 * GNU General Public License for more details at:
23 * http://www.gnu.org/copyleft/gpl.html
24 *
25 *
26 * Typical Usage:
27 *
28 *   $browser = new Browser();
29 *   if( $browser->getBrowser() == Browser::BROWSER_FIREFOX && $browser->getVersion() >= 2 ) {
30 *    echo 'You have FireFox version 2 or greater';
31 *   }
32 *
33 * User Agents Sampled from: http://www.useragentstring.com/
34 *
35 * This implementation is based on the original work from Gary White
36 * http://apptools.com/phptools/browser/
37 *
38 */
39class Browser
40{
41    private $_agent = '';
42    private $_browser_name = '';
43    private $_version = '';
44    private $_platform = '';
45    private $_os = '';
46    private $_is_aol = false;
47    private $_is_mobile = false;
48    private $_is_tablet = false;
49    private $_is_robot = false;
50    private $_is_facebook = false;
51    private $_aol_version = '';
52
53    const BROWSER_UNKNOWN = 'unknown';
54    const VERSION_UNKNOWN = 'unknown';
55
56    const BROWSER_OPERA = 'Opera'; // http://www.opera.com/
57    const BROWSER_OPERA_MINI = 'Opera Mini'; // http://www.opera.com/mini/
58    const BROWSER_WEBTV = 'WebTV'; // http://www.webtv.net/pc/
59    const BROWSER_EDGE = 'Edge'; // https://www.microsoft.com/edge
60    const BROWSER_IE = 'Internet Explorer'; // http://www.microsoft.com/ie/
61    const BROWSER_POCKET_IE = 'Pocket Internet Explorer'; // http://en.wikipedia.org/wiki/Internet_Explorer_Mobile
62    const BROWSER_KONQUEROR = 'Konqueror'; // http://www.konqueror.org/
63    const BROWSER_ICAB = 'iCab'; // http://www.icab.de/
64    const BROWSER_OMNIWEB = 'OmniWeb'; // http://www.omnigroup.com/applications/omniweb/
65    const BROWSER_FIREBIRD = 'Firebird'; // http://www.ibphoenix.com/
66    const BROWSER_FIREFOX = 'Firefox'; // http://www.mozilla.com/en-US/firefox/firefox.html
67    const BROWSER_ICEWEASEL = 'Iceweasel'; // http://www.geticeweasel.org/
68    const BROWSER_SHIRETOKO = 'Shiretoko'; // http://wiki.mozilla.org/Projects/shiretoko
69    const BROWSER_MOZILLA = 'Mozilla'; // http://www.mozilla.com/en-US/
70    const BROWSER_AMAYA = 'Amaya'; // http://www.w3.org/Amaya/
71    const BROWSER_LYNX = 'Lynx'; // http://en.wikipedia.org/wiki/Lynx
72    const BROWSER_SAFARI = 'Safari'; // http://apple.com
73    const BROWSER_IPHONE = 'iPhone'; // http://apple.com
74    const BROWSER_IPOD = 'iPod'; // http://apple.com
75    const BROWSER_IPAD = 'iPad'; // http://apple.com
76    const BROWSER_CHROME = 'Chrome'; // http://www.google.com/chrome
77    const BROWSER_ANDROID = 'Android'; // http://www.android.com/
78    const BROWSER_GOOGLEBOT = 'GoogleBot'; // http://en.wikipedia.org/wiki/Googlebot
79
80    const BROWSER_YANDEXBOT = 'YandexBot'; // http://yandex.com/bots
81    const BROWSER_YANDEXIMAGERESIZER_BOT = 'YandexImageResizer'; // http://yandex.com/bots
82    const BROWSER_YANDEXIMAGES_BOT = 'YandexImages'; // http://yandex.com/bots
83    const BROWSER_YANDEXVIDEO_BOT = 'YandexVideo'; // http://yandex.com/bots
84    const BROWSER_YANDEXMEDIA_BOT = 'YandexMedia'; // http://yandex.com/bots
85    const BROWSER_YANDEXBLOGS_BOT = 'YandexBlogs'; // http://yandex.com/bots
86    const BROWSER_YANDEXFAVICONS_BOT = 'YandexFavicons'; // http://yandex.com/bots
87    const BROWSER_YANDEXWEBMASTER_BOT = 'YandexWebmaster'; // http://yandex.com/bots
88    const BROWSER_YANDEXDIRECT_BOT = 'YandexDirect'; // http://yandex.com/bots
89    const BROWSER_YANDEXMETRIKA_BOT = 'YandexMetrika'; // http://yandex.com/bots
90    const BROWSER_YANDEXNEWS_BOT = 'YandexNews'; // http://yandex.com/bots
91    const BROWSER_YANDEXCATALOG_BOT = 'YandexCatalog'; // http://yandex.com/bots
92
93    const BROWSER_SLURP = 'Yahoo! Slurp'; // http://en.wikipedia.org/wiki/Yahoo!_Slurp
94    const BROWSER_W3CVALIDATOR = 'W3C Validator'; // http://validator.w3.org/
95    const BROWSER_BLACKBERRY = 'BlackBerry'; // http://www.blackberry.com/
96    const BROWSER_ICECAT = 'IceCat'; // http://en.wikipedia.org/wiki/GNU_IceCat
97    const BROWSER_NOKIA_S60 = 'Nokia S60 OSS Browser'; // http://en.wikipedia.org/wiki/Web_Browser_for_S60
98    const BROWSER_NOKIA = 'Nokia Browser'; // * all other WAP-based browsers on the Nokia Platform
99    const BROWSER_MSN = 'MSN Browser'; // http://explorer.msn.com/
100    const BROWSER_MSNBOT = 'MSN Bot'; // http://search.msn.com/msnbot.htm
101    const BROWSER_BINGBOT = 'Bing Bot'; // http://en.wikipedia.org/wiki/Bingbot
102    const BROWSER_VIVALDI = 'Vivalidi'; // https://vivaldi.com/
103    const BROWSER_YANDEX = 'Yandex'; // https://browser.yandex.ua/
104
105    const BROWSER_NETSCAPE_NAVIGATOR = 'Netscape Navigator'; // http://browser.netscape.com/ (DEPRECATED)
106    const BROWSER_GALEON = 'Galeon'; // http://galeon.sourceforge.net/ (DEPRECATED)
107    const BROWSER_NETPOSITIVE = 'NetPositive'; // http://en.wikipedia.org/wiki/NetPositive (DEPRECATED)
108    const BROWSER_PHOENIX = 'Phoenix'; // http://en.wikipedia.org/wiki/History_of_Mozilla_Firefox (DEPRECATED)
109    const BROWSER_PLAYSTATION = "PlayStation";
110    const BROWSER_SAMSUNG = "SamsungBrowser";
111    const BROWSER_SILK = "Silk";
112    const BROWSER_I_FRAME = "Iframely";
113    const BROWSER_COCOA = "CocoaRestClient";
114
115    const PLATFORM_UNKNOWN = 'unknown';
116    const PLATFORM_WINDOWS = 'Windows';
117    const PLATFORM_WINDOWS_CE = 'Windows CE';
118    const PLATFORM_APPLE = 'Apple';
119    const PLATFORM_LINUX = 'Linux';
120    const PLATFORM_OS2 = 'OS/2';
121    const PLATFORM_BEOS = 'BeOS';
122    const PLATFORM_IPHONE = 'iPhone';
123    const PLATFORM_IPOD = 'iPod';
124    const PLATFORM_IPAD = 'iPad';
125    const PLATFORM_BLACKBERRY = 'BlackBerry';
126    const PLATFORM_NOKIA = 'Nokia';
127    const PLATFORM_FREEBSD = 'FreeBSD';
128    const PLATFORM_OPENBSD = 'OpenBSD';
129    const PLATFORM_NETBSD = 'NetBSD';
130    const PLATFORM_SUNOS = 'SunOS';
131    const PLATFORM_OPENSOLARIS = 'OpenSolaris';
132    const PLATFORM_ANDROID = 'Android';
133    const PLATFORM_PLAYSTATION = "Sony PlayStation";
134    const PLATFORM_ROKU = "Roku";
135    const PLATFORM_APPLE_TV = "Apple TV";
136    const PLATFORM_TERMINAL = "Terminal";
137    const PLATFORM_FIRE_OS = "Fire OS";
138    const PLATFORM_SMART_TV = "SMART-TV";
139    const PLATFORM_CHROME_OS = "Chrome OS";
140    const PLATFORM_JAVA_ANDROID = "Java/Android";
141    const PLATFORM_POSTMAN = "Postman";
142    const PLATFORM_I_FRAME = "Iframely";
143
144    const OPERATING_SYSTEM_UNKNOWN = 'unknown';
145
146    /**
147     * Class constructor
148     */
149    public function __construct($userAgent = "")
150    {
151        $this->reset();
152        if ($userAgent != "") {
153            $this->setUserAgent($userAgent);
154        } else {
155            $this->determine();
156        }
157    }
158
159    /**
160     * Reset all properties
161     */
162    public function reset()
163    {
164        $this->_agent = isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : "";
165        $this->_browser_name = self::BROWSER_UNKNOWN;
166        $this->_version = self::VERSION_UNKNOWN;
167        $this->_platform = self::PLATFORM_UNKNOWN;
168        $this->_os = self::OPERATING_SYSTEM_UNKNOWN;
169        $this->_is_aol = false;
170        $this->_is_mobile = false;
171        $this->_is_tablet = false;
172        $this->_is_robot = false;
173        $this->_is_facebook = false;
174        $this->_aol_version = self::VERSION_UNKNOWN;
175    }
176
177    /**
178     * Check to see if the specific browser is valid
179     * @param string $browserName
180     * @return bool True if the browser is the specified browser
181     */
182    function isBrowser($browserName)
183    {
184        return (0 == strcasecmp($this->_browser_name, trim($browserName)));
185    }
186
187    /**
188     * The name of the browser.  All return types are from the class contants
189     * @return string Name of the browser
190     */
191    public function getBrowser()
192    {
193        return $this->_browser_name;
194    }
195
196    /**
197     * Set the name of the browser
198     * @param $browser string The name of the Browser
199     */
200    public function setBrowser($browser)
201    {
202        $this->_browser_name = $browser;
203    }
204
205    /**
206     * The name of the platform.  All return types are from the class contants
207     * @return string Name of the browser
208     */
209    public function getPlatform()
210    {
211        return $this->_platform;
212    }
213
214    /**
215     * Set the name of the platform
216     * @param string $platform The name of the Platform
217     */
218    public function setPlatform($platform)
219    {
220        $this->_platform = $platform;
221    }
222
223    /**
224     * The version of the browser.
225     * @return string Version of the browser (will only contain alpha-numeric characters and a period)
226     */
227    public function getVersion()
228    {
229        return $this->_version;
230    }
231
232    /**
233     * Set the version of the browser
234     * @param string $version The version of the Browser
235     */
236    public function setVersion($version)
237    {
238        $this->_version = preg_replace('/[^0-9,.,a-z,A-Z-]/', '', $version);
239    }
240
241    /**
242     * The version of AOL.
243     * @return string Version of AOL (will only contain alpha-numeric characters and a period)
244     */
245    public function getAolVersion()
246    {
247        return $this->_aol_version;
248    }
249
250    /**
251     * Set the version of AOL
252     * @param string $version The version of AOL
253     */
254    public function setAolVersion($version)
255    {
256        $this->_aol_version = preg_replace('/[^0-9,.,a-z,A-Z]/', '', $version);
257    }
258
259    /**
260     * Is the browser from AOL?
261     * @return boolean True if the browser is from AOL otherwise false
262     */
263    public function isAol()
264    {
265        return $this->_is_aol;
266    }
267
268    /**
269     * Is the browser from a mobile device?
270     * @return boolean True if the browser is from a mobile device otherwise false
271     */
272    public function isMobile()
273    {
274        return $this->_is_mobile;
275    }
276
277    /**
278     * Is the browser from a tablet device?
279     * @return boolean True if the browser is from a tablet device otherwise false
280     */
281    public function isTablet()
282    {
283        return $this->_is_tablet;
284    }
285
286    /**
287     * Is the browser from a robot (ex Slurp,GoogleBot)?
288     * @return boolean True if the browser is from a robot otherwise false
289     */
290    public function isRobot()
291    {
292        return $this->_is_robot;
293    }
294
295    /**
296     * Is the browser from facebook?
297     * @return boolean True if the browser is from facebook otherwise false
298     */
299    public function isFacebook()
300    {
301        return $this->_is_facebook;
302    }
303
304    /**
305     * Set the browser to be from AOL
306     * @param $isAol
307     */
308    public function setAol($isAol)
309    {
310        $this->_is_aol = $isAol;
311    }
312
313    /**
314     * Set the Browser to be mobile
315     * @param boolean $value is the browser a mobile browser or not
316     */
317    protected function setMobile($value = true)
318    {
319        $this->_is_mobile = $value;
320    }
321
322    /**
323     * Set the Browser to be tablet
324     * @param boolean $value is the browser a tablet browser or not
325     */
326    protected function setTablet($value = true)
327    {
328        $this->_is_tablet = $value;
329    }
330
331    /**
332     * Set the Browser to be a robot
333     * @param boolean $value is the browser a robot or not
334     */
335    protected function setRobot($value = true)
336    {
337        $this->_is_robot = $value;
338    }
339
340    /**
341     * Set the Browser to be a Facebook request
342     * @param boolean $value is the browser a robot or not
343     */
344    protected function setFacebook($value = true)
345    {
346        $this->_is_facebook = $value;
347    }
348
349    /**
350     * Get the user agent value in use to determine the browser
351     * @return string The user agent from the HTTP header
352     */
353    public function getUserAgent()
354    {
355        return $this->_agent;
356    }
357
358    /**
359     * Set the user agent value (the construction will use the HTTP header value - this will overwrite it)
360     * @param string $agent_string The value for the User Agent
361     */
362    public function setUserAgent($agent_string)
363    {
364        $this->reset();
365        $this->_agent = $agent_string;
366        $this->determine();
367    }
368
369    /**
370     * Used to determine if the browser is actually "chromeframe"
371     * @since 1.7
372     * @return boolean True if the browser is using chromeframe
373     */
374    public function isChromeFrame()
375    {
376        return (strpos($this->_agent, "chromeframe") !== false);
377    }
378
379    /**
380     * Returns a formatted string with a summary of the details of the browser.
381     * @return string formatted string with a summary of the browser
382     */
383    public function __toString()
384    {
385        return "<strong>Browser Name:</strong> {$this->getBrowser()}<br/>\n" .
386            "<strong>Browser Version:</strong> {$this->getVersion()}<br/>\n" .
387            "<strong>Browser User Agent String:</strong> {$this->getUserAgent()}<br/>\n" .
388            "<strong>Platform:</strong> {$this->getPlatform()}<br/>";
389    }
390
391    /**
392     * Protected routine to calculate and determine what the browser is in use (including platform)
393     */
394    protected function determine()
395    {
396        $this->checkPlatform();
397        $this->checkBrowsers();
398        $this->checkForAol();
399    }
400
401    /**
402     * Protected routine to determine the browser type
403     * @return boolean True if the browser was detected otherwise false
404     */
405    protected function checkBrowsers()
406    {
407        return (
408            // well-known, well-used
409            // Special Notes:
410            // (1) Opera must be checked before FireFox due to the odd
411            //     user agents used in some older versions of Opera
412            // (2) WebTV is strapped onto Internet Explorer so we must
413            //     check for WebTV before IE
414            // (3) (deprecated) Galeon is based on Firefox and needs to be
415            //     tested before Firefox is tested
416            // (4) OmniWeb is based on Safari so OmniWeb check must occur
417            //     before Safari
418            // (5) Netscape 9+ is based on Firefox so Netscape checks
419            //     before FireFox are necessary
420            // (6) Vivalid is UA contains both Firefox and Chrome so Vivalid checks
421            //     before Firefox and Chrome
422            $this->checkBrowserWebTv() ||
423            $this->checkBrowserEdge() ||
424            $this->checkBrowserInternetExplorer() ||
425            $this->checkBrowserOpera() ||
426            $this->checkBrowserGaleon() ||
427            $this->checkBrowserNetscapeNavigator9Plus() ||
428            $this->checkBrowserVivaldi() ||
429            $this->checkBrowserYandex() ||
430            $this->checkBrowserFirefox() ||
431            $this->checkBrowserChrome() ||
432            $this->checkBrowserOmniWeb() ||
433
434            // common mobile
435            $this->checkBrowserAndroid() ||
436            $this->checkBrowseriPad() ||
437            $this->checkBrowseriPod() ||
438            $this->checkBrowseriPhone() ||
439            $this->checkBrowserBlackBerry() ||
440            $this->checkBrowserNokia() ||
441
442            // common bots
443            $this->checkBrowserGoogleBot() ||
444            $this->checkBrowserMSNBot() ||
445            $this->checkBrowserBingBot() ||
446            $this->checkBrowserSlurp() ||
447
448            // Yandex bots
449            $this->checkBrowserYandexBot() ||
450            $this->checkBrowserYandexImageResizerBot() ||
451            $this->checkBrowserYandexBlogsBot() ||
452            $this->checkBrowserYandexCatalogBot() ||
453            $this->checkBrowserYandexDirectBot() ||
454            $this->checkBrowserYandexFaviconsBot() ||
455            $this->checkBrowserYandexImagesBot() ||
456            $this->checkBrowserYandexMediaBot() ||
457            $this->checkBrowserYandexMetrikaBot() ||
458            $this->checkBrowserYandexNewsBot() ||
459            $this->checkBrowserYandexVideoBot() ||
460            $this->checkBrowserYandexWebmasterBot() ||
461
462            // check for facebook external hit when loading URL
463            $this->checkFacebookExternalHit() ||
464
465            // WebKit base check (post mobile and others)
466            $this->checkBrowserSamsung() ||
467            $this->checkBrowserSilk() ||
468            $this->checkBrowserSafari() ||
469
470            // everyone else
471            $this->checkBrowserNetPositive() ||
472            $this->checkBrowserFirebird() ||
473            $this->checkBrowserKonqueror() ||
474            $this->checkBrowserIcab() ||
475            $this->checkBrowserPhoenix() ||
476            $this->checkBrowserAmaya() ||
477            $this->checkBrowserLynx() ||
478            $this->checkBrowserShiretoko() ||
479            $this->checkBrowserIceCat() ||
480            $this->checkBrowserIceweasel() ||
481            $this->checkBrowserW3CValidator() ||
482            $this->checkBrowserPlayStation() ||
483            $this->checkBrowserIframely() ||
484            $this->checkBrowserCocoa() ||
485            $this->checkBrowserMozilla() /* Mozilla is such an open standard that you must check it last */
486
487
488        );
489    }
490
491    /**
492     * Determine if the user is using a BlackBerry (last updated 1.7)
493     * @return boolean True if the browser is the BlackBerry browser otherwise false
494     */
495    protected function checkBrowserBlackBerry()
496    {
497        if (stripos($this->_agent, 'blackberry') !== false) {
498            $aresult = explode("/", stristr($this->_agent, "BlackBerry"));
499            if (isset($aresult[1])) {
500                $aversion = explode(' ', $aresult[1]);
501                $this->setVersion($aversion[0]);
502                $this->_browser_name = self::BROWSER_BLACKBERRY;
503                $this->setMobile(true);
504                return true;
505            }
506        }
507        return false;
508    }
509
510    /**
511     * Determine if the user is using an AOL User Agent (last updated 1.7)
512     * @return boolean True if the browser is from AOL otherwise false
513     */
514    protected function checkForAol()
515    {
516        $this->setAol(false);
517        $this->setAolVersion(self::VERSION_UNKNOWN);
518
519        if (stripos($this->_agent, 'aol') !== false) {
520            $aversion = explode(' ', stristr($this->_agent, 'AOL'));
521            if (isset($aversion[1])) {
522                $this->setAol(true);
523                $this->setAolVersion(preg_replace('/[^0-9\.a-z]/i', '', $aversion[1]));
524                return true;
525            }
526        }
527        return false;
528    }
529
530    /**
531     * Determine if the browser is the GoogleBot or not (last updated 1.7)
532     * @return boolean True if the browser is the GoogletBot otherwise false
533     */
534    protected function checkBrowserGoogleBot()
535    {
536        if (stripos($this->_agent, 'googlebot') !== false) {
537            $aresult = explode('/', stristr($this->_agent, 'googlebot'));
538            if (isset($aresult[1])) {
539                $aversion = explode(' ', $aresult[1]);
540                $this->setVersion(str_replace(';', '', $aversion[0]));
541                $this->_browser_name = self::BROWSER_GOOGLEBOT;
542                $this->setRobot(true);
543                return true;
544            }
545        }
546        return false;
547    }
548
549    /**
550     * Determine if the browser is the YandexBot or not
551     * @return boolean True if the browser is the YandexBot otherwise false
552     */
553    protected function checkBrowserYandexBot()
554    {
555        if (stripos($this->_agent, 'YandexBot') !== false) {
556            $aresult = explode('/', stristr($this->_agent, 'YandexBot'));
557            if (isset($aresult[1])) {
558                $aversion = explode(' ', $aresult[1]);
559                $this->setVersion(str_replace(';', '', $aversion[0]));
560                $this->_browser_name = self::BROWSER_YANDEXBOT;
561                $this->setRobot(true);
562                return true;
563            }
564        }
565        return false;
566    }
567
568    /**
569     * Determine if the browser is the YandexImageResizer or not
570     * @return boolean True if the browser is the YandexImageResizer otherwise false
571     */
572    protected function checkBrowserYandexImageResizerBot()
573    {
574        if (stripos($this->_agent, 'YandexImageResizer') !== false) {
575            $aresult = explode('/', stristr($this->_agent, 'YandexImageResizer'));
576            if (isset($aresult[1])) {
577                $aversion = explode(' ', $aresult[1]);
578                $this->setVersion(str_replace(';', '', $aversion[0]));
579                $this->_browser_name = self::BROWSER_YANDEXIMAGERESIZER_BOT;
580                $this->setRobot(true);
581                return true;
582            }
583        }
584        return false;
585    }
586
587    /**
588     * Determine if the browser is the YandexCatalog or not
589     * @return boolean True if the browser is the YandexCatalog otherwise false
590     */
591    protected function checkBrowserYandexCatalogBot()
592    {
593        if (stripos($this->_agent, 'YandexCatalog') !== false) {
594            $aresult = explode('/', stristr($this->_agent, 'YandexCatalog'));
595            if (isset($aresult[1])) {
596                $aversion = explode(' ', $aresult[1]);
597                $this->setVersion(str_replace(';', '', $aversion[0]));
598                $this->_browser_name = self::BROWSER_YANDEXCATALOG_BOT;
599                $this->setRobot(true);
600                return true;
601            }
602        }
603        return false;
604    }
605
606    /**
607     * Determine if the browser is the YandexNews or not
608     * @return boolean True if the browser is the YandexNews otherwise false
609     */
610    protected function checkBrowserYandexNewsBot()
611    {
612        if (stripos($this->_agent, 'YandexNews') !== false) {
613            $aresult = explode('/', stristr($this->_agent, 'YandexNews'));
614            if (isset($aresult[1])) {
615                $aversion = explode(' ', $aresult[1]);
616                $this->setVersion(str_replace(';', '', $aversion[0]));
617                $this->_browser_name = self::BROWSER_YANDEXNEWS_BOT;
618                $this->setRobot(true);
619                return true;
620            }
621        }
622        return false;
623    }
624
625    /**
626     * Determine if the browser is the YandexMetrika or not
627     * @return boolean True if the browser is the YandexMetrika otherwise false
628     */
629    protected function checkBrowserYandexMetrikaBot()
630    {
631        if (stripos($this->_agent, 'YandexMetrika') !== false) {
632            $aresult = explode('/', stristr($this->_agent, 'YandexMetrika'));
633            if (isset($aresult[1])) {
634                $aversion = explode(' ', $aresult[1]);
635                $this->setVersion(str_replace(';', '', $aversion[0]));
636                $this->_browser_name = self::BROWSER_YANDEXMETRIKA_BOT;
637                $this->setRobot(true);
638                return true;
639            }
640        }
641        return false;
642    }
643
644    /**
645     * Determine if the browser is the YandexDirect or not
646     * @return boolean True if the browser is the YandexDirect otherwise false
647     */
648    protected function checkBrowserYandexDirectBot()
649    {
650        if (stripos($this->_agent, 'YandexDirect') !== false) {
651            $aresult = explode('/', stristr($this->_agent, 'YandexDirect'));
652            if (isset($aresult[1])) {
653                $aversion = explode(' ', $aresult[1]);
654                $this->setVersion(str_replace(';', '', $aversion[0]));
655                $this->_browser_name = self::BROWSER_YANDEXDIRECT_BOT;
656                $this->setRobot(true);
657                return true;
658            }
659        }
660        return false;
661    }
662
663    /**
664     * Determine if the browser is the YandexWebmaster or not
665     * @return boolean True if the browser is the YandexWebmaster otherwise false
666     */
667    protected function checkBrowserYandexWebmasterBot()
668    {
669        if (stripos($this->_agent, 'YandexWebmaster') !== false) {
670            $aresult = explode('/', stristr($this->_agent, 'YandexWebmaster'));
671            if (isset($aresult[1])) {
672                $aversion = explode(' ', $aresult[1]);
673                $this->setVersion(str_replace(';', '', $aversion[0]));
674                $this->_browser_name = self::BROWSER_YANDEXWEBMASTER_BOT;
675                $this->setRobot(true);
676                return true;
677            }
678        }
679        return false;
680    }
681
682    /**
683     * Determine if the browser is the YandexFavicons or not
684     * @return boolean True if the browser is the YandexFavicons otherwise false
685     */
686    protected function checkBrowserYandexFaviconsBot()
687    {
688        if (stripos($this->_agent, 'YandexFavicons') !== false) {
689            $aresult = explode('/', stristr($this->_agent, 'YandexFavicons'));
690            if (isset($aresult[1])) {
691                $aversion = explode(' ', $aresult[1]);
692                $this->setVersion(str_replace(';', '', $aversion[0]));
693                $this->_browser_name = self::BROWSER_YANDEXFAVICONS_BOT;
694                $this->setRobot(true);
695                return true;
696            }
697        }
698        return false;
699    }
700
701    /**
702     * Determine if the browser is the YandexBlogs or not
703     * @return boolean True if the browser is the YandexBlogs otherwise false
704     */
705    protected function checkBrowserYandexBlogsBot()
706    {
707        if (stripos($this->_agent, 'YandexBlogs') !== false) {
708            $aresult = explode('/', stristr($this->_agent, 'YandexBlogs'));
709            if (isset($aresult[1])) {
710                $aversion = explode(' ', $aresult[1]);
711                $this->setVersion(str_replace(';', '', $aversion[0]));
712                $this->_browser_name = self::BROWSER_YANDEXBLOGS_BOT;
713                $this->setRobot(true);
714                return true;
715            }
716        }
717        return false;
718    }
719
720    /**
721     * Determine if the browser is the YandexMedia or not
722     * @return boolean True if the browser is the YandexMedia otherwise false
723     */
724    protected function checkBrowserYandexMediaBot()
725    {
726        if (stripos($this->_agent, 'YandexMedia') !== false) {
727            $aresult = explode('/', stristr($this->_agent, 'YandexMedia'));
728            if (isset($aresult[1])) {
729                $aversion = explode(' ', $aresult[1]);
730                $this->setVersion(str_replace(';', '', $aversion[0]));
731                $this->_browser_name = self::BROWSER_YANDEXMEDIA_BOT;
732                $this->setRobot(true);
733                return true;
734            }
735        }
736        return false;
737    }
738
739    /**
740     * Determine if the browser is the YandexVideo or not
741     * @return boolean True if the browser is the YandexVideo otherwise false
742     */
743    protected function checkBrowserYandexVideoBot()
744    {
745        if (stripos($this->_agent, 'YandexVideo') !== false) {
746            $aresult = explode('/', stristr($this->_agent, 'YandexVideo'));
747            if (isset($aresult[1])) {
748                $aversion = explode(' ', $aresult[1]);
749                $this->setVersion(str_replace(';', '', $aversion[0]));
750                $this->_browser_name = self::BROWSER_YANDEXVIDEO_BOT;
751                $this->setRobot(true);
752                return true;
753            }
754        }
755        return false;
756    }
757
758    /**
759     * Determine if the browser is the YandexImages or not
760     * @return boolean True if the browser is the YandexImages otherwise false
761     */
762    protected function checkBrowserYandexImagesBot()
763    {
764        if (stripos($this->_agent, 'YandexImages') !== false) {
765            $aresult = explode('/', stristr($this->_agent, 'YandexImages'));
766            if (isset($aresult[1])) {
767                $aversion = explode(' ', $aresult[1]);
768                $this->setVersion(str_replace(';', '', $aversion[0]));
769                $this->_browser_name = self::BROWSER_YANDEXIMAGES_BOT;
770                $this->setRobot(true);
771                return true;
772            }
773        }
774        return false;
775    }
776
777    /**
778     * Determine if the browser is the MSNBot or not (last updated 1.9)
779     * @return boolean True if the browser is the MSNBot otherwise false
780     */
781    protected function checkBrowserMSNBot()
782    {
783        if (stripos($this->_agent, "msnbot") !== false) {
784            $aresult = explode("/", stristr($this->_agent, "msnbot"));
785            if (isset($aresult[1])) {
786                $aversion = explode(" ", $aresult[1]);
787                $this->setVersion(str_replace(";", "", $aversion[0]));
788                $this->_browser_name = self::BROWSER_MSNBOT;
789                $this->setRobot(true);
790                return true;
791            }
792        }
793        return false;
794    }
795
796    /**
797     * Determine if the browser is the BingBot or not (last updated 1.9)
798     * @return boolean True if the browser is the BingBot otherwise false
799     */
800    protected function checkBrowserBingBot()
801    {
802        if (stripos($this->_agent, "bingbot") !== false) {
803            $aresult = explode("/", stristr($this->_agent, "bingbot"));
804            if (isset($aresult[1])) {
805                $aversion = explode(" ", $aresult[1]);
806                $this->setVersion(str_replace(";", "", $aversion[0]));
807                $this->_browser_name = self::BROWSER_BINGBOT;
808                $this->setRobot(true);
809                return true;
810            }
811        }
812        return false;
813    }
814
815    /**
816     * Determine if the browser is the W3C Validator or not (last updated 1.7)
817     * @return boolean True if the browser is the W3C Validator otherwise false
818     */
819    protected function checkBrowserW3CValidator()
820    {
821        if (stripos($this->_agent, 'W3C-checklink') !== false) {
822            $aresult = explode('/', stristr($this->_agent, 'W3C-checklink'));
823            if (isset($aresult[1])) {
824                $aversion = explode(' ', $aresult[1]);
825                $this->setVersion($aversion[0]);
826                $this->_browser_name = self::BROWSER_W3CVALIDATOR;
827                return true;
828            }
829        } else if (stripos($this->_agent, 'W3C_Validator') !== false) {
830            // Some of the Validator versions do not delineate w/ a slash - add it back in
831            $ua = str_replace("W3C_Validator ", "W3C_Validator/", $this->_agent);
832            $aresult = explode('/', stristr($ua, 'W3C_Validator'));
833            if (isset($aresult[1])) {
834                $aversion = explode(' ', $aresult[1]);
835                $this->setVersion($aversion[0]);
836                $this->_browser_name = self::BROWSER_W3CVALIDATOR;
837                return true;
838            }
839        } else if (stripos($this->_agent, 'W3C-mobileOK') !== false) {
840            $this->_browser_name = self::BROWSER_W3CVALIDATOR;
841            $this->setMobile(true);
842            return true;
843        }
844        return false;
845    }
846
847    /**
848     * Determine if the browser is the Yahoo! Slurp Robot or not (last updated 1.7)
849     * @return boolean True if the browser is the Yahoo! Slurp Robot otherwise false
850     */
851    protected function checkBrowserSlurp()
852    {
853        if (stripos($this->_agent, 'slurp') !== false) {
854            $aresult = explode('/', stristr($this->_agent, 'Slurp'));
855            if (isset($aresult[1])) {
856                $aversion = explode(' ', $aresult[1]);
857                $this->setVersion($aversion[0]);
858                $this->_browser_name = self::BROWSER_SLURP;
859                $this->setRobot(true);
860                $this->setMobile(false);
861                return true;
862            }
863        }
864        return false;
865    }
866
867    /**
868     * Determine if the browser is Edge or not
869     * @return boolean True if the browser is Edge otherwise false
870     */
871    protected function checkBrowserEdge()
872    {
873        if (stripos($this->_agent, 'Edge/') !== false) {
874            $aresult = explode('/', stristr($this->_agent, 'Edge'));
875            if (isset($aresult[1])) {
876                $aversion = explode(' ', $aresult[1]);
877                $this->setVersion($aversion[0]);
878                $this->setBrowser(self::BROWSER_EDGE);
879                if (stripos($this->_agent, 'Windows Phone') !== false || stripos($this->_agent, 'Android') !== false) {
880                    $this->setMobile(true);
881                }
882                return true;
883            }
884        }
885        return false;
886    }
887
888    /**
889     * Determine if the browser is Internet Explorer or not (last updated 1.7)
890     * @return boolean True if the browser is Internet Explorer otherwise false
891     */
892    protected function checkBrowserInternetExplorer()
893    {
894        //  Test for IE11
895        if (stripos($this->_agent, 'Trident/7.0; rv:11.0') !== false) {
896            $this->setBrowser(self::BROWSER_IE);
897            $this->setVersion('11.0');
898            return true;
899        } // Test for v1 - v1.5 IE
900        else if (stripos($this->_agent, 'microsoft internet explorer') !== false) {
901            $this->setBrowser(self::BROWSER_IE);
902            $this->setVersion('1.0');
903            $aresult = stristr($this->_agent, '/');
904            if (preg_match('/308|425|426|474|0b1/i', $aresult)) {
905                $this->setVersion('1.5');
906            }
907            return true;
908        } // Test for versions > 1.5
909        else if (stripos($this->_agent, 'msie') !== false && stripos($this->_agent, 'opera') === false) {
910            // See if the browser is the odd MSN Explorer
911            if (stripos($this->_agent, 'msnb') !== false) {
912                $aresult = explode(' ', stristr(str_replace(';', '; ', $this->_agent), 'MSN'));
913                if (isset($aresult[1])) {
914                    $this->setBrowser(self::BROWSER_MSN);
915                    $this->setVersion(str_replace(array('(', ')', ';'), '', $aresult[1]));
916                    return true;
917                }
918            }
919            $aresult = explode(' ', stristr(str_replace(';', '; ', $this->_agent), 'msie'));
920            if (isset($aresult[1])) {
921                $this->setBrowser(self::BROWSER_IE);
922                $this->setVersion(str_replace(array('(', ')', ';'), '', $aresult[1]));
923                if(preg_match('#trident/([0-9\.]+);#i', $this->_agent, $aresult)){
924                    if($aresult[1] == '3.1'){
925                        $this->setVersion('7.0');
926                    }
927                    else if($aresult[1] == '4.0'){
928                        $this->setVersion('8.0');
929                    }
930                    else if($aresult[1] == '5.0'){
931                        $this->setVersion('9.0');
932                    }
933                    else if($aresult[1] == '6.0'){
934                        $this->setVersion('10.0');
935                    }
936                    else if($aresult[1] == '7.0'){
937                        $this->setVersion('11.0');
938                    }
939                    else if($aresult[1] == '8.0'){
940                        $this->setVersion('11.0');
941                    }
942                }
943                if(stripos($this->_agent, 'IEMobile') !== false) {
944                    $this->setBrowser(self::BROWSER_POCKET_IE);
945                    $this->setMobile(true);
946                }
947                return true;
948            }
949        } // Test for versions > IE 10
950        else if (stripos($this->_agent, 'trident') !== false) {
951            $this->setBrowser(self::BROWSER_IE);
952            $result = explode('rv:', $this->_agent);
953            if (isset($result[1])) {
954                $this->setVersion(preg_replace('/[^0-9.]+/', '', $result[1]));
955                $this->_agent = str_replace(array("Mozilla", "Gecko"), "MSIE", $this->_agent);
956            }
957        } // Test for Pocket IE
958        else if (stripos($this->_agent, 'mspie') !== false || stripos($this->_agent, 'pocket') !== false) {
959            $aresult = explode(' ', stristr($this->_agent, 'mspie'));
960            if (isset($aresult[1])) {
961                $this->setPlatform(self::PLATFORM_WINDOWS_CE);
962                $this->setBrowser(self::BROWSER_POCKET_IE);
963                $this->setMobile(true);
964
965                if (stripos($this->_agent, 'mspie') !== false) {
966                    $this->setVersion($aresult[1]);
967                } else {
968                    $aversion = explode('/', $this->_agent);
969                    if (isset($aversion[1])) {
970                        $this->setVersion($aversion[1]);
971                    }
972                }
973                return true;
974            }
975        }
976        return false;
977    }
978
979    /**
980     * Determine if the browser is Opera or not (last updated 1.7)
981     * @return boolean True if the browser is Opera otherwise false
982     */
983    protected function checkBrowserOpera()
984    {
985        if (stripos($this->_agent, 'opera mini') !== false) {
986            $resultant = stristr($this->_agent, 'opera mini');
987            if (preg_match('/\//', $resultant)) {
988                $aresult = explode('/', $resultant);
989                if (isset($aresult[1])) {
990                    $aversion = explode(' ', $aresult[1]);
991                    $this->setVersion($aversion[0]);
992                }
993            } else {
994                $aversion = explode(' ', stristr($resultant, 'opera mini'));
995                if (isset($aversion[1])) {
996                    $this->setVersion($aversion[1]);
997                }
998            }
999            $this->_browser_name = self::BROWSER_OPERA_MINI;
1000            $this->setMobile(true);
1001            return true;
1002        } else if (stripos($this->_agent, 'opera') !== false) {
1003            $resultant = stristr($this->_agent, 'opera');
1004            if (preg_match('/Version\/(1*.*)$/', $resultant, $matches)) {
1005                $this->setVersion($matches[1]);
1006            } else if (preg_match('/\//', $resultant)) {
1007                $aresult = explode('/', str_replace("(", " ", $resultant));
1008                if (isset($aresult[1])) {
1009                    $aversion = explode(' ', $aresult[1]);
1010                    $this->setVersion($aversion[0]);
1011                }
1012            } else {
1013                $aversion = explode(' ', stristr($resultant, 'opera'));
1014                $this->setVersion(isset($aversion[1]) ? $aversion[1] : "");
1015            }
1016            if (stripos($this->_agent, 'Opera Mobi') !== false) {
1017                $this->setMobile(true);
1018            }
1019            $this->_browser_name = self::BROWSER_OPERA;
1020            return true;
1021        } else if (stripos($this->_agent, 'OPR') !== false) {
1022            $resultant = stristr($this->_agent, 'OPR');
1023            if (preg_match('/\//', $resultant)) {
1024                $aresult = explode('/', str_replace("(", " ", $resultant));
1025                if (isset($aresult[1])) {
1026                    $aversion = explode(' ', $aresult[1]);
1027                    $this->setVersion($aversion[0]);
1028                }
1029            }
1030            if (stripos($this->_agent, 'Mobile') !== false) {
1031                $this->setMobile(true);
1032            }
1033            $this->_browser_name = self::BROWSER_OPERA;
1034            return true;
1035        }
1036        return false;
1037    }
1038
1039    /**
1040     * Determine if the browser is Chrome or not (last updated 1.7)
1041     * @return boolean True if the browser is Chrome otherwise false
1042     */
1043    protected function checkBrowserChrome()
1044    {
1045        if (stripos($this->_agent, 'Chrome') !== false) {
1046            $aresult = explode('/', stristr($this->_agent, 'Chrome'));
1047            if (isset($aresult[1])) {
1048                $aversion = explode(' ', $aresult[1]);
1049                $this->setVersion($aversion[0]);
1050                $this->setBrowser(self::BROWSER_CHROME);
1051                //Chrome on Android
1052                if (stripos($this->_agent, 'Android') !== false) {
1053                    if (stripos($this->_agent, 'Mobile') !== false) {
1054                        $this->setMobile(true);
1055                    } else {
1056                        $this->setTablet(true);
1057                    }
1058                }
1059                return true;
1060            }
1061        }
1062        return false;
1063    }
1064
1065
1066    /**
1067     * Determine if the browser is WebTv or not (last updated 1.7)
1068     * @return boolean True if the browser is WebTv otherwise false
1069     */
1070    protected function checkBrowserWebTv()
1071    {
1072        if (stripos($this->_agent, 'webtv') !== false) {
1073            $aresult = explode('/', stristr($this->_agent, 'webtv'));
1074            if (isset($aresult[1])) {
1075                $aversion = explode(' ', $aresult[1]);
1076                $this->setVersion($aversion[0]);
1077                $this->setBrowser(self::BROWSER_WEBTV);
1078                return true;
1079            }
1080        }
1081        return false;
1082    }
1083
1084    /**
1085     * Determine if the browser is NetPositive or not (last updated 1.7)
1086     * @return boolean True if the browser is NetPositive otherwise false
1087     */
1088    protected function checkBrowserNetPositive()
1089    {
1090        if (stripos($this->_agent, 'NetPositive') !== false) {
1091            $aresult = explode('/', stristr($this->_agent, 'NetPositive'));
1092            if (isset($aresult[1])) {
1093                $aversion = explode(' ', $aresult[1]);
1094                $this->setVersion(str_replace(array('(', ')', ';'), '', $aversion[0]));
1095                $this->setBrowser(self::BROWSER_NETPOSITIVE);
1096                return true;
1097            }
1098        }
1099        return false;
1100    }
1101
1102    /**
1103     * Determine if the browser is Galeon or not (last updated 1.7)
1104     * @return boolean True if the browser is Galeon otherwise false
1105     */
1106    protected function checkBrowserGaleon()
1107    {
1108        if (stripos($this->_agent, 'galeon') !== false) {
1109            $aresult = explode(' ', stristr($this->_agent, 'galeon'));
1110            $aversion = explode('/', $aresult[0]);
1111            if (isset($aversion[1])) {
1112                $this->setVersion($aversion[1]);
1113                $this->setBrowser(self::BROWSER_GALEON);
1114                return true;
1115            }
1116        }
1117        return false;
1118    }
1119
1120    /**
1121     * Determine if the browser is Konqueror or not (last updated 1.7)
1122     * @return boolean True if the browser is Konqueror otherwise false
1123     */
1124    protected function checkBrowserKonqueror()
1125    {
1126        if (stripos($this->_agent, 'Konqueror') !== false) {
1127            $aresult = explode(' ', stristr($this->_agent, 'Konqueror'));
1128            $aversion = explode('/', $aresult[0]);
1129            if (isset($aversion[1])) {
1130                $this->setVersion($aversion[1]);
1131                $this->setBrowser(self::BROWSER_KONQUEROR);
1132                return true;
1133            }
1134        }
1135        return false;
1136    }
1137
1138    /**
1139     * Determine if the browser is iCab or not (last updated 1.7)
1140     * @return boolean True if the browser is iCab otherwise false
1141     */
1142    protected function checkBrowserIcab()
1143    {
1144        if (stripos($this->_agent, 'icab') !== false) {
1145            $aversion = explode(' ', stristr(str_replace('/', ' ', $this->_agent), 'icab'));
1146            if (isset($aversion[1])) {
1147                $this->setVersion($aversion[1]);
1148                $this->setBrowser(self::BROWSER_ICAB);
1149                return true;
1150            }
1151        }
1152        return false;
1153    }
1154
1155    /**
1156     * Determine if the browser is OmniWeb or not (last updated 1.7)
1157     * @return boolean True if the browser is OmniWeb otherwise false
1158     */
1159    protected function checkBrowserOmniWeb()
1160    {
1161        if (stripos($this->_agent, 'omniweb') !== false) {
1162            $aresult = explode('/', stristr($this->_agent, 'omniweb'));
1163            $aversion = explode(' ', isset($aresult[1]) ? $aresult[1] : "");
1164            $this->setVersion($aversion[0]);
1165            $this->setBrowser(self::BROWSER_OMNIWEB);
1166            return true;
1167        }
1168        return false;
1169    }
1170
1171    /**
1172     * Determine if the browser is Phoenix or not (last updated 1.7)
1173     * @return boolean True if the browser is Phoenix otherwise false
1174     */
1175    protected function checkBrowserPhoenix()
1176    {
1177        if (stripos($this->_agent, 'Phoenix') !== false) {
1178            $aversion = explode('/', stristr($this->_agent, 'Phoenix'));
1179            if (isset($aversion[1])) {
1180                $this->setVersion($aversion[1]);
1181                $this->setBrowser(self::BROWSER_PHOENIX);
1182                return true;
1183            }
1184        }
1185        return false;
1186    }
1187
1188    /**
1189     * Determine if the browser is Firebird or not (last updated 1.7)
1190     * @return boolean True if the browser is Firebird otherwise false
1191     */
1192    protected function checkBrowserFirebird()
1193    {
1194        if (stripos($this->_agent, 'Firebird') !== false) {
1195            $aversion = explode('/', stristr($this->_agent, 'Firebird'));
1196            if (isset($aversion[1])) {
1197                $this->setVersion($aversion[1]);
1198                $this->setBrowser(self::BROWSER_FIREBIRD);
1199                return true;
1200            }
1201        }
1202        return false;
1203    }
1204
1205    /**
1206     * Determine if the browser is Netscape Navigator 9+ or not (last updated 1.7)
1207     * NOTE: (http://browser.netscape.com/ - Official support ended on March 1st, 2008)
1208     * @return boolean True if the browser is Netscape Navigator 9+ otherwise false
1209     */
1210    protected function checkBrowserNetscapeNavigator9Plus()
1211    {
1212        if (stripos($this->_agent, 'Firefox') !== false && preg_match('/Navigator\/([^ ]*)/i', $this->_agent, $matches)) {
1213            $this->setVersion($matches[1]);
1214            $this->setBrowser(self::BROWSER_NETSCAPE_NAVIGATOR);
1215            return true;
1216        } else if (stripos($this->_agent, 'Firefox') === false && preg_match('/Netscape6?\/([^ ]*)/i', $this->_agent, $matches)) {
1217            $this->setVersion($matches[1]);
1218            $this->setBrowser(self::BROWSER_NETSCAPE_NAVIGATOR);
1219            return true;
1220        }
1221        return false;
1222    }
1223
1224    /**
1225     * Determine if the browser is Shiretoko or not (https://wiki.mozilla.org/Projects/shiretoko) (last updated 1.7)
1226     * @return boolean True if the browser is Shiretoko otherwise false
1227     */
1228    protected function checkBrowserShiretoko()
1229    {
1230        if (stripos($this->_agent, 'Mozilla') !== false && preg_match('/Shiretoko\/([^ ]*)/i', $this->_agent, $matches)) {
1231            $this->setVersion($matches[1]);
1232            $this->setBrowser(self::BROWSER_SHIRETOKO);
1233            return true;
1234        }
1235        return false;
1236    }
1237
1238    /**
1239     * Determine if the browser is Ice Cat or not (http://en.wikipedia.org/wiki/GNU_IceCat) (last updated 1.7)
1240     * @return boolean True if the browser is Ice Cat otherwise false
1241     */
1242    protected function checkBrowserIceCat()
1243    {
1244        if (stripos($this->_agent, 'Mozilla') !== false && preg_match('/IceCat\/([^ ]*)/i', $this->_agent, $matches)) {
1245            $this->setVersion($matches[1]);
1246            $this->setBrowser(self::BROWSER_ICECAT);
1247            return true;
1248        }
1249        return false;
1250    }
1251
1252    /**
1253     * Determine if the browser is Nokia or not (last updated 1.7)
1254     * @return boolean True if the browser is Nokia otherwise false
1255     */
1256    protected function checkBrowserNokia()
1257    {
1258        if (preg_match("/Nokia([^\/]+)\/([^ SP]+)/i", $this->_agent, $matches)) {
1259            $this->setVersion($matches[2]);
1260            if (stripos($this->_agent, 'Series60') !== false || strpos($this->_agent, 'S60') !== false) {
1261                $this->setBrowser(self::BROWSER_NOKIA_S60);
1262            } else {
1263                $this->setBrowser(self::BROWSER_NOKIA);
1264            }
1265            $this->setMobile(true);
1266            return true;
1267        }
1268        return false;
1269    }
1270
1271    /**
1272     * Determine if the browser is Firefox or not (last updated 1.7)
1273     * @return boolean True if the browser is Firefox otherwise false
1274     */
1275    protected function checkBrowserFirefox()
1276    {
1277        if (stripos($this->_agent, 'safari') === false) {
1278            if (preg_match("/Firefox[\/ \(]([^ ;\)]+)/i", $this->_agent, $matches)) {
1279                $this->setVersion($matches[1]);
1280                $this->setBrowser(self::BROWSER_FIREFOX);
1281                //Firefox on Android
1282                if (stripos($this->_agent, 'Android') !== false) {
1283                    if (stripos($this->_agent, 'Mobile') !== false) {
1284                        $this->setMobile(true);
1285                    } else {
1286                        $this->setTablet(true);
1287                    }
1288                }
1289                return true;
1290            } else if (preg_match("/Firefox$/i", $this->_agent, $matches)) {
1291                $this->setVersion("");
1292                $this->setBrowser(self::BROWSER_FIREFOX);
1293                return true;
1294            }
1295        }
1296        return false;
1297    }
1298
1299    /**
1300     * Determine if the browser is Firefox or not (last updated 1.7)
1301     * @return boolean True if the browser is Firefox otherwise false
1302     */
1303    protected function checkBrowserIceweasel()
1304    {
1305        if (stripos($this->_agent, 'Iceweasel') !== false) {
1306            $aresult = explode('/', stristr($this->_agent, 'Iceweasel'));
1307            if (isset($aresult[1])) {
1308                $aversion = explode(' ', $aresult[1]);
1309                $this->setVersion($aversion[0]);
1310                $this->setBrowser(self::BROWSER_ICEWEASEL);
1311                return true;
1312            }
1313        }
1314        return false;
1315    }
1316
1317    /**
1318     * Determine if the browser is Mozilla or not (last updated 1.7)
1319     * @return boolean True if the browser is Mozilla otherwise false
1320     */
1321    protected function checkBrowserMozilla()
1322    {
1323        if (stripos($this->_agent, 'mozilla') !== false && preg_match('/rv:[0-9].[0-9][a-b]?/i', $this->_agent) && stripos($this->_agent, 'netscape') === false) {
1324            $aversion = explode(' ', stristr($this->_agent, 'rv:'));
1325            preg_match('/rv:[0-9].[0-9][a-b]?/i', $this->_agent, $aversion);
1326            $this->setVersion(str_replace('rv:', '', $aversion[0]));
1327            $this->setBrowser(self::BROWSER_MOZILLA);
1328            return true;
1329        } else if (stripos($this->_agent, 'mozilla') !== false && preg_match('/rv:[0-9]\.[0-9]/i', $this->_agent) && stripos($this->_agent, 'netscape') === false) {
1330            $aversion = explode('', stristr($this->_agent, 'rv:'));
1331            $this->setVersion(str_replace('rv:', '', $aversion[0]));
1332            $this->setBrowser(self::BROWSER_MOZILLA);
1333            return true;
1334        } else if (stripos($this->_agent, 'mozilla') !== false && preg_match('/mozilla\/([^ ]*)/i', $this->_agent, $matches) && stripos($this->_agent, 'netscape') === false) {
1335            $this->setVersion($matches[1]);
1336            $this->setBrowser(self::BROWSER_MOZILLA);
1337            return true;
1338        }
1339        return false;
1340    }
1341
1342    /**
1343     * Determine if the browser is Lynx or not (last updated 1.7)
1344     * @return boolean True if the browser is Lynx otherwise false
1345     */
1346    protected function checkBrowserLynx()
1347    {
1348        if (stripos($this->_agent, 'lynx') !== false) {
1349            $aresult = explode('/', stristr($this->_agent, 'Lynx'));
1350            $aversion = explode(' ', (isset($aresult[1]) ? $aresult[1] : ""));
1351            $this->setVersion($aversion[0]);
1352            $this->setBrowser(self::BROWSER_LYNX);
1353            return true;
1354        }
1355        return false;
1356    }
1357
1358    /**
1359     * Determine if the browser is Amaya or not (last updated 1.7)
1360     * @return boolean True if the browser is Amaya otherwise false
1361     */
1362    protected function checkBrowserAmaya()
1363    {
1364        if (stripos($this->_agent, 'amaya') !== false) {
1365            $aresult = explode('/', stristr($this->_agent, 'Amaya'));
1366            if (isset($aresult[1])) {
1367                $aversion = explode(' ', $aresult[1]);
1368                $this->setVersion($aversion[0]);
1369                $this->setBrowser(self::BROWSER_AMAYA);
1370                return true;
1371            }
1372        }
1373        return false;
1374    }
1375
1376    /**
1377     * Determine if the browser is Safari or not (last updated 1.7)
1378     * @return boolean True if the browser is Safari otherwise false
1379     */
1380    protected function checkBrowserSafari()
1381    {
1382        if (stripos($this->_agent, 'Safari') !== false
1383            && stripos($this->_agent, 'iPhone') === false
1384            && stripos($this->_agent, 'iPod') === false
1385        ) {
1386
1387            $aresult = explode('/', stristr($this->_agent, 'Version'));
1388            if (isset($aresult[1])) {
1389                $aversion = explode(' ', $aresult[1]);
1390                $this->setVersion($aversion[0]);
1391            } else {
1392                $this->setVersion(self::VERSION_UNKNOWN);
1393            }
1394            $this->setBrowser(self::BROWSER_SAFARI);
1395            return true;
1396        }
1397        return false;
1398    }
1399
1400    protected function checkBrowserSamsung()
1401    {
1402        if (stripos($this->_agent, 'SamsungBrowser') !== false) {
1403
1404            $aresult = explode('/', stristr($this->_agent, 'SamsungBrowser'));
1405            if (isset($aresult[1])) {
1406                $aversion = explode(' ', $aresult[1]);
1407                $this->setVersion($aversion[0]);
1408            } else {
1409                $this->setVersion(self::VERSION_UNKNOWN);
1410            }
1411            $this->setBrowser(self::BROWSER_SAMSUNG);
1412            return true;
1413        }
1414        return false;
1415    }
1416
1417    protected function checkBrowserSilk()
1418    {
1419        if (stripos($this->_agent, 'Silk') !== false) {
1420            $aresult = explode('/', stristr($this->_agent, 'Silk'));
1421            if (isset($aresult[1])) {
1422                $aversion = explode(' ', $aresult[1]);
1423                $this->setVersion($aversion[0]);
1424            } else {
1425                $this->setVersion(self::VERSION_UNKNOWN);
1426            }
1427            $this->setBrowser(self::BROWSER_SILK);
1428            return true;
1429        }
1430        return false;
1431    }
1432
1433    protected function checkBrowserIframely()
1434    {
1435        if (stripos($this->_agent, 'Iframely') !== false) {
1436            $aresult = explode('/', stristr($this->_agent, 'Iframely'));
1437            if (isset($aresult[1])) {
1438                $aversion = explode(' ', $aresult[1]);
1439                $this->setVersion($aversion[0]);
1440            } else {
1441                $this->setVersion(self::VERSION_UNKNOWN);
1442            }
1443            $this->setBrowser(self::BROWSER_I_FRAME);
1444            return true;
1445        }
1446        return false;
1447    }
1448
1449    protected function checkBrowserCocoa()
1450    {
1451        if (stripos($this->_agent, 'CocoaRestClient') !== false) {
1452            $aresult = explode('/', stristr($this->_agent, 'CocoaRestClient'));
1453            if (isset($aresult[1])) {
1454                $aversion = explode(' ', $aresult[1]);
1455                $this->setVersion($aversion[0]);
1456            } else {
1457                $this->setVersion(self::VERSION_UNKNOWN);
1458            }
1459            $this->setBrowser(self::BROWSER_COCOA);
1460            return true;
1461        }
1462        return false;
1463    }
1464
1465    /**
1466     * Detect if URL is loaded from FacebookExternalHit
1467     * @return boolean True if it detects FacebookExternalHit otherwise false
1468     */
1469    protected function checkFacebookExternalHit()
1470    {
1471        if (stristr($this->_agent, 'FacebookExternalHit')) {
1472            $this->setRobot(true);
1473            $this->setFacebook(true);
1474            return true;
1475        }
1476        return false;
1477    }
1478
1479    /**
1480     * Detect if URL is being loaded from internal Facebook browser
1481     * @return boolean True if it detects internal Facebook browser otherwise false
1482     */
1483    protected function checkForFacebookIos()
1484    {
1485        if (stristr($this->_agent, 'FBIOS')) {
1486            $this->setFacebook(true);
1487            return true;
1488        }
1489        return false;
1490    }
1491
1492    /**
1493     * Detect Version for the Safari browser on iOS devices
1494     * @return boolean True if it detects the version correctly otherwise false
1495     */
1496    protected function getSafariVersionOnIos()
1497    {
1498        $aresult = explode('/', stristr($this->_agent, 'Version'));
1499        if (isset($aresult[1])) {
1500            $aversion = explode(' ', $aresult[1]);
1501            $this->setVersion($aversion[0]);
1502            return true;
1503        }
1504        return false;
1505    }
1506
1507    /**
1508     * Detect Version for the Chrome browser on iOS devices
1509     * @return boolean True if it detects the version correctly otherwise false
1510     */
1511    protected function getChromeVersionOnIos()
1512    {
1513        $aresult = explode('/', stristr($this->_agent, 'CriOS'));
1514        if (isset($aresult[1])) {
1515            $aversion = explode(' ', $aresult[1]);
1516            $this->setVersion($aversion[0]);
1517            $this->setBrowser(self::BROWSER_CHROME);
1518            return true;
1519        }
1520        return false;
1521    }
1522
1523    /**
1524     * Determine if the browser is iPhone or not (last updated 1.7)
1525     * @return boolean True if the browser is iPhone otherwise false
1526     */
1527    protected function checkBrowseriPhone()
1528    {
1529        if (stripos($this->_agent, 'iPhone') !== false) {
1530            $this->setVersion(self::VERSION_UNKNOWN);
1531            $this->setBrowser(self::BROWSER_IPHONE);
1532            $this->getSafariVersionOnIos();
1533            $this->getChromeVersionOnIos();
1534            $this->checkForFacebookIos();
1535            $this->setMobile(true);
1536            return true;
1537
1538        }
1539        return false;
1540    }
1541
1542    /**
1543     * Determine if the browser is iPad or not (last updated 1.7)
1544     * @return boolean True if the browser is iPad otherwise false
1545     */
1546    protected function checkBrowseriPad()
1547    {
1548        if (stripos($this->_agent, 'iPad') !== false) {
1549            $this->setVersion(self::VERSION_UNKNOWN);
1550            $this->setBrowser(self::BROWSER_IPAD);
1551            $this->getSafariVersionOnIos();
1552            $this->getChromeVersionOnIos();
1553            $this->checkForFacebookIos();
1554            $this->setTablet(true);
1555            return true;
1556        }
1557        return false;
1558    }
1559
1560    /**
1561     * Determine if the browser is iPod or not (last updated 1.7)
1562     * @return boolean True if the browser is iPod otherwise false
1563     */
1564    protected function checkBrowseriPod()
1565    {
1566        if (stripos($this->_agent, 'iPod') !== false) {
1567            $this->setVersion(self::VERSION_UNKNOWN);
1568            $this->setBrowser(self::BROWSER_IPOD);
1569            $this->getSafariVersionOnIos();
1570            $this->getChromeVersionOnIos();
1571            $this->checkForFacebookIos();
1572            $this->setMobile(true);
1573            return true;
1574        }
1575        return false;
1576    }
1577
1578    /**
1579     * Determine if the browser is Android or not (last updated 1.7)
1580     * @return boolean True if the browser is Android otherwise false
1581     */
1582    protected function checkBrowserAndroid()
1583    {
1584        if (stripos($this->_agent, 'Android') !== false) {
1585            $aresult = explode(' ', stristr($this->_agent, 'Android'));
1586            if (isset($aresult[1])) {
1587                $aversion = explode(' ', $aresult[1]);
1588                $this->setVersion($aversion[0]);
1589            } else {
1590                $this->setVersion(self::VERSION_UNKNOWN);
1591            }
1592            if (stripos($this->_agent, 'Mobile') !== false) {
1593                $this->setMobile(true);
1594            } else {
1595                $this->setTablet(true);
1596            }
1597            $this->setBrowser(self::BROWSER_ANDROID);
1598            return true;
1599        }
1600        return false;
1601    }
1602
1603    /**
1604     * Determine if the browser is Vivaldi
1605     * @return boolean True if the browser is Vivaldi otherwise false
1606     */
1607    protected function checkBrowserVivaldi()
1608    {
1609        if (stripos($this->_agent, 'Vivaldi') !== false) {
1610            $aresult = explode('/', stristr($this->_agent, 'Vivaldi'));
1611            if (isset($aresult[1])) {
1612                $aversion = explode(' ', $aresult[1]);
1613                $this->setVersion($aversion[0]);
1614                $this->setBrowser(self::BROWSER_VIVALDI);
1615                return true;
1616            }
1617        }
1618        return false;
1619    }
1620
1621    /**
1622     * Determine if the browser is Yandex
1623     * @return boolean True if the browser is Yandex otherwise false
1624     */
1625    protected function checkBrowserYandex()
1626    {
1627        if (stripos($this->_agent, 'YaBrowser') !== false) {
1628            $aresult = explode('/', stristr($this->_agent, 'YaBrowser'));
1629            if (isset($aresult[1])) {
1630                $aversion = explode(' ', $aresult[1]);
1631                $this->setVersion($aversion[0]);
1632                $this->setBrowser(self::BROWSER_YANDEX);
1633
1634                if (stripos($this->_agent, 'iPad') !== false) {
1635                    $this->setTablet(true);
1636                } elseif (stripos($this->_agent, 'Mobile') !== false) {
1637                    $this->setMobile(true);
1638                } elseif (stripos($this->_agent, 'Android') !== false) {
1639                    $this->setTablet(true);
1640                }
1641
1642                return true;
1643            }
1644        }
1645
1646        return false;
1647    }
1648
1649    /**
1650     * Determine if the browser is a PlayStation
1651     * @return boolean True if the browser is PlayStation otherwise false
1652     */
1653    protected function checkBrowserPlayStation()
1654    {
1655        if (stripos($this->_agent, 'PlayStation ') !== false) {
1656            $aresult = explode(' ', stristr($this->_agent, 'PlayStation '));
1657            $this->setBrowser(self::BROWSER_PLAYSTATION);
1658            if (isset($aresult[0])) {
1659                $aversion = explode(')', $aresult[2]);
1660                $this->setVersion($aversion[0]);
1661                if (stripos($this->_agent, 'Portable)') !== false || stripos($this->_agent, 'Vita') !== false) {
1662                    $this->setMobile(true);
1663                }
1664                return true;
1665            }
1666        }
1667        return false;
1668    }
1669
1670    /**
1671     * Determine the user's platform (last updated 2.0)
1672     */
1673    protected function checkPlatform()
1674    {
1675        if (stripos($this->_agent, 'windows') !== false) {
1676            $this->_platform = self::PLATFORM_WINDOWS;
1677        } else if (stripos($this->_agent, 'iPad') !== false) {
1678            $this->_platform = self::PLATFORM_IPAD;
1679        } else if (stripos($this->_agent, 'iPod') !== false) {
1680            $this->_platform = self::PLATFORM_IPOD;
1681        } else if (stripos($this->_agent, 'iPhone') !== false) {
1682            $this->_platform = self::PLATFORM_IPHONE;
1683        } elseif (stripos($this->_agent, 'mac') !== false) {
1684            $this->_platform = self::PLATFORM_APPLE;
1685        } elseif (stripos($this->_agent, 'android') !== false) {
1686            $this->_platform = self::PLATFORM_ANDROID;
1687        } elseif (stripos($this->_agent, 'Silk') !== false) {
1688            $this->_platform = self::PLATFORM_FIRE_OS;
1689        } elseif (stripos($this->_agent, 'linux') !== false && stripos($this->_agent, 'SMART-TV') !== false ) {
1690            $this->_platform = self::PLATFORM_LINUX .'/'.self::PLATFORM_SMART_TV;
1691        } elseif (stripos($this->_agent, 'linux') !== false) {
1692            $this->_platform = self::PLATFORM_LINUX;
1693        } else if (stripos($this->_agent, 'Nokia') !== false) {
1694            $this->_platform = self::PLATFORM_NOKIA;
1695        } else if (stripos($this->_agent, 'BlackBerry') !== false) {
1696            $this->_platform = self::PLATFORM_BLACKBERRY;
1697        } elseif (stripos($this->_agent, 'FreeBSD') !== false) {
1698            $this->_platform = self::PLATFORM_FREEBSD;
1699        } elseif (stripos($this->_agent, 'OpenBSD') !== false) {
1700            $this->_platform = self::PLATFORM_OPENBSD;
1701        } elseif (stripos($this->_agent, 'NetBSD') !== false) {
1702            $this->_platform = self::PLATFORM_NETBSD;
1703        } elseif (stripos($this->_agent, 'OpenSolaris') !== false) {
1704            $this->_platform = self::PLATFORM_OPENSOLARIS;
1705        } elseif (stripos($this->_agent, 'SunOS') !== false) {
1706            $this->_platform = self::PLATFORM_SUNOS;
1707        } elseif (stripos($this->_agent, 'OS\/2') !== false) {
1708            $this->_platform = self::PLATFORM_OS2;
1709        } elseif (stripos($this->_agent, 'BeOS') !== false) {
1710            $this->_platform = self::PLATFORM_BEOS;
1711        } elseif (stripos($this->_agent, 'win') !== false) {
1712            $this->_platform = self::PLATFORM_WINDOWS;
1713        } elseif (stripos($this->_agent, 'Playstation') !== false) {
1714            $this->_platform = self::PLATFORM_PLAYSTATION;
1715        } elseif (stripos($this->_agent, 'Roku') !== false) {
1716            $this->_platform = self::PLATFORM_ROKU;
1717        } elseif (stripos($this->_agent, 'iOS') !== false) {
1718            $this->_platform = self::PLATFORM_IPHONE . '/' . self::PLATFORM_IPAD;
1719        } elseif (stripos($this->_agent, 'tvOS') !== false) {
1720            $this->_platform = self::PLATFORM_APPLE_TV;
1721        } elseif (stripos($this->_agent, 'curl') !== false) {
1722            $this->_platform = self::PLATFORM_TERMINAL;
1723        } elseif (stripos($this->_agent, 'CrOS') !== false) {
1724            $this->_platform = self::PLATFORM_CHROME_OS;
1725        } elseif (stripos($this->_agent, 'okhttp') !== false) {
1726            $this->_platform = self::PLATFORM_JAVA_ANDROID;
1727        } elseif (stripos($this->_agent, 'PostmanRuntime') !== false) {
1728            $this->_platform = self::PLATFORM_POSTMAN;
1729        } elseif (stripos($this->_agent, 'Iframely') !== false) {
1730            $this->_platform = self::PLATFORM_I_FRAME;
1731        }
1732
1733    }
1734}
1735