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PHP Browser Detect

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  1. function getBrowser(){
  2.        $return = array("navigator"=>"", "platform"=>"pc", "version"=>"", "long_version");
  3.        $browsers = "mozilla msie gecko firefox konqueror safari chrome netscape opera mosaic lynx camino amaya omniweb";
  4.        $browsers = split(" ", $browsers);
  5.        $nua = strToLower($_SERVER['HTTP_USER_AGENT']);
  6.  
  7.        $l = strlen($nua);
  8.        for ($i=0; $i<count($browsers); $i++){
  9.            $browser = $browsers[$i];
  10.            $n = stristr($nua, $browser);
  11.            if(strlen($n)>0){
  12.                $return["long_version"] = "";
  13.                $return["navigator"] = $browser;
  14.                $j=strpos($nua, $return["navigator"])+$n+strlen($return["navigator"])+1;
  15.                if($return['navigator'] == "safari"){
  16.                    $begining = strpos($nua,"version/")+8;
  17.                    $end = stripos($nua,'safari')-$begining;
  18.                    $return['long_version'] = trim(substr($nua,$begining,$end));
  19.                    $temp = explode(".",$return['long_version']);
  20.                    $return['version'] = $temp[0];
  21.                } else {
  22.                    for (; $j<=$l; $j++){
  23.                        $s = substr ($nua, $j, 1);
  24.                        if(is_numeric($return["long_version"].$s) ) {
  25.                            $return["long_version"] .= $s;
  26.                            $temp = explode(".",$return['long_version']);
  27.                            $return['version'] = $temp[0];
  28.                        } else { break; }
  29.                    }
  30.                }
  31.            }
  32.        }
  33.  
  34.        if (strpos($nua,"mac") !== false) $return["platform"] = "mac";
  35.        if(strpos($return['long_version'],"/") !== false){
  36.            $return['long_version'] = array_shift(explode("/",$return['long_version']));
  37.        }
  38.        return $return;
  39. }

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