<?php
//        
// -----
//       
// add new browsers in lower case here, separated
// by spaces -  order is important: from left to
// right browser family becomes more precise
$browsers = "mozilla msie gecko firefox ";
$browsers.= "konqueror safari netscape navigator ";
$browsers.= "opera 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("<pre>Your browser is: ");
echo($GLOBALS["nav"] . " " . $GLOBALS["ver"] . "</pre><br>");
**/
$browser1 = $GLOBALS["nav"] ;
//echo $browser1;
?>