How to get the client browser name and version in php (based on ECShop function), _PHP tutorial

How to get the name and version of the client browser in php (based on ECShop function),

The example in this article describes how php gets the name and version of the client browser. Share it with everyone for your reference, the details are as follows:

I saw that there is such a function get_user_browser() in ecshop to get the name and version of the browser. Although the information obtained is only simple information, it is still very practical. The principle is to obtain browser information through $_SERVER['HTTP_USER_AGENT'], and then use regular rules to compare and obtain the browser information.

The following is the effect of each browser:

The source code is as follows:

<&#63;php
function get_user_browser()
{
  if (empty($_SERVER['HTTP_USER_AGENT']))
  {
    return '';
  }
  $agent  = $_SERVER['HTTP_USER_AGENT'];
  $browser  = '';
  $browser_ver = '';
  if (preg_match('/MSIE\s([^\s|;]+)/i', $agent, $regs))
  {
    $browser  = 'Internet Explorer';
    $browser_ver = $regs[1];
  }
  elseif (preg_match('/FireFox\/([^\s]+)/i', $agent, $regs))
  {
    $browser  = 'FireFox';
    $browser_ver = $regs[1];
  }
  elseif (preg_match('/Maxthon/i', $agent, $regs))
  {
    $browser  = '(Internet Explorer ' .$browser_ver. ') Maxthon';
    $browser_ver = '';
  }
  elseif (preg_match('/Opera[\s|\/]([^\s]+)/i', $agent, $regs))
  {
    $browser  = 'Opera';
    $browser_ver = $regs[1];
  }
  elseif (preg_match('/OmniWeb\/(v*)([^\s|;]+)/i', $agent, $regs))
  {
    $browser  = 'OmniWeb';
    $browser_ver = $regs[2];
  }
  elseif (preg_match('/Netscape([\d]*)\/([^\s]+)/i', $agent, $regs))
  {
    $browser  = 'Netscape';
    $browser_ver = $regs[2];
  }
  elseif (preg_match('/safari\/([^\s]+)/i', $agent, $regs))
  {
    $browser  = 'Safari';
    $browser_ver = $regs[1];
  }
  elseif (preg_match('/NetCaptor\s([^\s|;]+)/i', $agent, $regs))
  {
    $browser  = '(Internet Explorer ' .$browser_ver. ') NetCaptor';
    $browser_ver = $regs[1];
  }
  elseif (preg_match('/Lynx\/([^\s]+)/i', $agent, $regs))
  {
    $browser  = 'Lynx';
    $browser_ver = $regs[1];
  }
  if (!empty($browser))
  {
    return addslashes($browser . ' ' . $browser_ver);
  }
  else
  {
    return 'Unknow browser';
  }
}
echo get_user_browser();
&#63;>

I hope this article will be helpful to everyone in PHP programming.

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