counter.lib.inc in Counter 8

Common function.

File

counter.lib.inc

<?php

/**
 * @file
 * Common function.
 */

/**
 * To find out browser type and return browser info.
 */
function counter_get_browser() {
  $user_agent = $_SERVER['HTTP_USER_AGENT'];
  $browser_name = 'Unknown';
  $browser_version = '';
  $platform = 'Unknown';
  $ub = 'Unknown';

  // First get the platform?
  if (preg_match('/linux/i', $user_agent)) {
    $platform = 'Linux';
  }
  elseif (preg_match('/macintosh|mac os x/i', $user_agent)) {
    $platform = 'Mac';
  }
  elseif (preg_match('/windows|win32/i', $user_agent)) {
    $platform = 'Windows';
  }

  // Next get the name of the useragent yes separately and for good reason.
  if (preg_match('/MSIE/i', $user_agent) && !preg_match('/Opera/i', $user_agent)) {
    $browser_name = 'Internet Explorer';
    $ub = "IE";
  }
  elseif (preg_match('/Firefox/i', $user_agent)) {
    $browser_name = 'Mozilla Firefox';
    $ub = "Firefox";
  }
  elseif (preg_match('/Chrome/i', $user_agent)) {
    $browser_name = 'Google Chrome';
    $ub = "Chrome";
  }
  elseif (preg_match('/Safari/i', $user_agent)) {
    $browser_name = 'Apple Safari';
    $ub = "Safari";
  }
  elseif (preg_match('/Opera/i', $user_agent)) {
    $browser_name = 'Opera';
    $ub = "Opera";
  }
  elseif (preg_match('/Netscape/i', $user_agent)) {
    $browser_name = 'Netscape';
    $ub = "Netscape";
  }

  // Finally get the correct browser_version number.
  $known = array(
    'browser_version',
    $ub,
    'other',
  );
  $pattern = '#(?<browser>' . implode('|', $known) . ')[/ ]+(?<browser_version>[0-9.|a-zA-Z.]*)#';
  if (!preg_match_all($pattern, $user_agent, $matches)) {

    // We have no matching number just continue.
  }

  // See how many we have.
  $i = count($matches['browser']);
  if ($i != 1) {

    // We will have two since we are not using 'other' argument yet.
    // See if browser_version is before or after the name.
    if (strripos($user_agent, "browser_version") < strripos($user_agent, $ub)) {
      $browser_version = $matches['browser_version'][0];
    }
    else {
      $browser_version = $matches['browser_version'][1];
    }
  }
  else {
    $browser_version = $matches['browser_version'][0];
  }

  // Check if we have a number.
  if ($browser_version == NULL || $browser_version == "") {
    $browser_version = "?";
  }
  return array(
    'browser_name' => $browser_name,
    'browser_version' => $browser_version,
    'platform' => $platform,
    'pattern' => $pattern,
  );
}

Functions

Name	Description
counter_get_browser	To find out browser type and return browser info.