ecshop获取浏览器各个版本

<?php
/**
 * 获得浏览器名称和版本
 *
 * @access  public
 * @return  string
 */
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‘;
    }
}
?>