[PHP] User_Agent - Browser/Operating System Extractor

[Chris]

 <?php
    class ua {
        private $Browsers = Array(
            'firefox',
            'msie',
            'opera',
            'chrome',
            'safari',
            'mozilla',
            'seamonkey',
            'konqueror',
            'netscape',
            'gecko',
            'navigator',
            'mosaic',
            'lynx',
            'amaya',
            'omniweb',
            'avant',
            'camino',
            'flock',
            'aol'
        );
        
        private $OpSystems = Array(
            'Windows 3.11' => 'Win16',
            'Windows 95' => '(Windows 95)|(Win95)|(Windows_95)',
            'Windows 98' => '(Windows 98)|(Win98)',
            'Windows 2000' => '(Windows NT 5.0)|(Windows 2000)',
            'Windows XP' => '(Windows NT 5.1)|(Windows XP)',
            'Windows Server 2003' => '(Windows NT 5.2)',
            'Windows Vista' => '(Windows NT 6.0)',
            'Windows 7' => '(Windows NT 7.0)|(Windows NT 6.1)',
            'Windows NT 4.0' => '(Windows NT 4.0)|(WinNT4.0)|(WinNT)|(Windows NT)',
            'Windows ME' => 'Windows ME',
            'Open BSD' => 'OpenBSD',
            'Sun OS' => 'SunOS',
            'Linux' => '(Linux)|(X11)',
            'Mac OS' => '(Mac_PowerPC)|(Macintosh)',
            'QNX' => 'QNX',
            'BeOS' => 'BeOS',
            'OS/2' => 'OS/2',
            'Search Bot' => '(Googlebot)|(Yammybot)|(Openbot)|(Slurp)|(MSNBot)|(Ask Jeeves/Teoma)'
        );
        
        private $Agent;
        private $Browser = Array("Name" => null, "Version" => null);
        private $OpSystem = null;
        
        public function __construct($User_Agent) {
            $this->Agent = $User_Agent;
        }
        
        public function getBrowser() {
            if($this->Browser['Name'] != null && $this->Browser['Version'] != null) return $this->Browser;
            for($i = 0, $size = sizeOf($this->Browsers); $i < $size; $i++) {
                if(preg_match("#({$this->Browsers[$i]})[/ ]?([0-9.]*)#i", $this->Agent, $Match)) {
                    $this->Browser['Name'] = $Match[1];
                    $this->Browser['Version'] = $Match[2];
                    return $this->Browser;
                }
            }
        }
        
        public function getOpSystem() {
            if($this->OpSystem != null) return $this->OpSystem;
            
            foreach($this->OpSystems as $OpSystem => $Pattern) {
                if(preg_match("/{$Pattern}/", $this->Agent, $t)) {
                    $this->OpSystem = $OpSystem;
                    return $this->OpSystem;
                }
            }
        }
    }
?>  

This is for you Personoid ;P