[Openfirst-cvscommit] base/config/functions browserid.php,NONE,1.1

[<i-...@us...>]

Update of /cvsroot/openfirst/base/config/functions
In directory sc8-pr-cvs1:/tmp/cvs-serv2543/config/functions

Added Files:
	browserid.php 
Log Message:
Identifies the client's browser and OS based on browscap.ini.

--- NEW FILE: browserid.php ---
<?php
/*
 *  openFIRST browserid.php
 *   Last Modified:
 *    David Di Biase, April 13, 2003
 *
 * Copyright (C) 2003,
 *  openFIRST Project
 *  Original Author: Greg Inozemtsev <gr...@si...>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */

 //Functions for browser/platform identification

 function identify_platform($useragent="")
 {
    //(This prevents PHP from displaying an error if use of browscap.ini is not enabled)
    //only report critical errors
    $err_prev=error_reporting(E_ERROR);
    //get OS info from browscap.ini
    $browser=get_browser($useragent);
    //restore error reporting level
    error_reporting($err_prev);
    
    $return="";
    if($browser!=null){
      $return=$browser->platform;
      if ($return==""){
      //returns the original user-agent string
        return $useragent;
      }
    }
    else {
      //browscap.ini disabled
      //returns the original user-agent string
      return $useragent;
    }
    //return platform ID
    return $return;
 }

 function identify_browser($useragent="")
 {
    //(This prevents PHP from displaying an error if use of browscap.ini is not enabled)
    //only report critical errors
    $err_prev=error_reporting(E_ERROR);
    //get browser info from browscap.ini
    $browser=get_browser($useragent);
    //restore error reporting level
    error_reporting($err_prev);
    
    $return="";
    if($browser!=null){
      //Get browser name
      $browsername=$browser->browser;

      if ($browsername==""){
        //could not determine browser name, browscap.ini disabled
        //return the original user-agent string
        return $useragent;
      }
      else {
        if ($browsername=="IE"){
          //Spell 'IE' as 'Internet Explorer'
          $browsername="Internet Explorer";
        }
        //Get major version
        $ver=$browser->majorver;
        //remove # character at beginning of string
        if (substr($ver,0,1)=="#"){
          $ver=substr($ver,1);
        }
        $return=$browsername." ".$ver.".";

        //Get minor version
        $ver=$browser->minorver;
        //remove # character at beginning of string
        if (substr($ver,0,1)=="#"){
          $ver=substr($ver,1);
        }
        $return.=$ver;

        //Identify search engine
        if (isset($browser->crawler)){
          if($browser->crawler==1){
            $return.=" (Search Engine)";
          }
        }
      }
    }
    else {
      //browscap.ini disabled
      //returns the original user-agent string
      return $useragent;
    }
    //return browser ID
    return $return;
 }
?>