Detect browser and version in PHP

function browserInfo($ua) 
{ 
    $userAgent = $ua; 
    $bname = 'Unknown';
    $ub=0;
    $platform = 'Unknown';
    $version= "";

    //Check Platform
    if (preg_match('/linux/i', $userAgent)) {
        $platform = 'linux';
    }
    elseif (preg_match('/macintosh|mac os x/i', $userAgent)) {
        $platform = 'mac';
    }
    elseif (preg_match('/windows|win32/i', $userAgent)) {
        $platform = 'windows';
    }

    // Matching Browser
    if(preg_match('/MSIE/i',$userAgent) && !preg_match('/Opera/i',$userAgent)) 
    { 
        $bname = 'Internet Explorer'; 
        $ub = "MSIE"; 
    } 
    elseif(preg_match('/Firefox/i',$userAgent)) 
    { 
        $bname = 'Mozilla Firefox'; 
        $ub = "Firefox"; 
    } 
    elseif(preg_match('/Chrome/i',$userAgent)) 
    { 
        $bname = 'Google Chrome'; 
        $ub = "Chrome"; 
    } 
    elseif(preg_match('/Safari/i',$userAgent)) 
    { 
        $bname = 'Apple Safari'; 
        $ub = "Safari"; 
    } 
    elseif(preg_match('/Opera/i',$userAgent)) 
    { 
        $bname = 'Opera'; 
        $ub = "Opera"; 
    } 
    elseif(preg_match('/Netscape/i',$userAgent)) 
    { 
        $bname = 'Netscape'; 
        $ub = "Netscape"; 
    } 

    // get version 
    $known = array('Version', $ub, 'other');
    $pattern = '#(?<browser>' . join('|', $known) .
    ')[/ ]+(?<version>[0-9.|a-zA-Z.]*)#';
    if (!preg_match_all($pattern, $userAgent, $matches)) {
        // no matching 
    }

    $i = count($matches['browser']);
    if ($i != 1) {
        if (strripos($userAgent,"Version") < strripos($userAgent,$ub)){
            @$version= $matches['version'][0];
        }
        else {
            @$version= $matches['version'][1];
        }
    }
    else {
        @$version= $matches['version'][0];
    }

    if ($version==null || $version=="") {$version="?";}

    return array(
        'bname'      => $bname,
        'version'   => $version,
        'platform'  => $platform

    );
}

Example:

Output:

Detect browser name in PHP

Detect browser Version in PHP