Found a real nice one and it gets the job done.
$browsers = "mozilla msie gecko firefox ";
$browsers .= "konqueror safari netscape navigator opera ";
$browsers .= "mosaic lynx amaya omniweb";
$browsers = split(" ", $browsers);
$nua = strToLower( $_SERVER['HTTP_USER_AGENT']);
$l = strlen($nua);
for ($i=0; $i<count($browsers); $i++){
$browser = $browsers[$i];
$n = stristr($nua, $browser);
if(strlen($n)>0){
$GLOBALS["ver"] = "";
$GLOBALS["nav"] = $browser;
$j=strpos($nua, $GLOBALS["nav"])+$n+strlen($GLOBALS["nav"])+1;
for (; $j<=$l; $j++){
$s = substr ($nua, $j, 1);
if(is_numeric($GLOBALS["ver"].$s) )
$GLOBALS["ver"] .= $s;
else
break;
}
}
}
echo $GLOBALS["nav"];
echo $GLOBALS["ver"];