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Php Browser Detection Class

/ Published in: PHP
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Detect and echo browser version including differentiating between Chrome and Safari.

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  1. <?php
  2. class Browser
  3. {
  4.     private $props    = array("Version" => "0.0.0",
  5.                                 "Name" => "unknown",
  6.                                 "Agent" => "unknown") ;
  7.  
  8.     public function __Construct()
  9.     {
  10.         $browsers = array("firefox", "msie", "opera", "chrome", "safari",
  11.                             "mozilla", "seamonkey",    "konqueror", "netscape",
  12.                             "gecko", "navigator", "mosaic", "lynx", "amaya",
  13.                             "omniweb", "avant", "camino", "flock", "aol");
  14.  
  15.         $this->Agent = strtolower($_SERVER['HTTP_USER_AGENT']);
  16.         foreach($browsers as $browser)
  17.         {
  18.             if (preg_match("#($browser)[/ ]?([0-9.]*)#", $this->Agent, $match))
  19.             {
  20.                 $this->Name = $match[1] ;
  21.                 $this->Version = $match[2] ;
  22.                 break ;
  23.             }
  24.         }
  25.     }
  26.  
  27.     public function __Get($name)
  28.     {
  29.         if (!array_key_exists($name, $this->props))
  30.         {
  31.             die ("No such property or function $name") ;
  32.         }
  33.         return $this->props[$name] ;
  34.     }
  35.  
  36.     public function __Set($name, $val)
  37.     {
  38.         if (!array_key_exists($name, $this->props))
  39.         {
  40.             SimpleError("No such property or function.", "Failed to set $name", $this->props) ;
  41.             die ;
  42.         }
  43.         $this->props[$name] = $val ;
  44.     }
  45.  
  46. }
  47. $Browser = new Browser;
  48. ?>
  49.  
  50. <?php //usage
  51.   echo "$Browser->Name $Browser->Version" ;
  52. ?>

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