判断客户端的浏览器类型-PHP源码-PHP中文网

判断客户端的浏览器类型

PHP中文网

发布： 2016-05-25 17:05:40

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/**
 * 判断浏览器名称和版本
 */
function get_user_browser()
{
    if (empty($_SERVER[&#39;HTTP_USER_AGENT&#39;]))
    {
        return &#39;&#39;;
    }

    $agent       = $_SERVER[&#39;HTTP_USER_AGENT&#39;];
    $browser     = &#39;&#39;;
    $browser_ver = &#39;&#39;;

    if (preg_match(&#39;/MSIE\s([^\s|;]+)/i&#39;, $agent, $regs))
    {
        $browser     = &#39;Internet Explorer&#39;;
        $browser_ver = $regs[1];
    }
    elseif (preg_match(&#39;/FireFox\/([^\s]+)/i&#39;, $agent, $regs))
    {
        $browser     = &#39;FireFox&#39;;
        $browser_ver = $regs[1];
    }
    elseif (preg_match(&#39;/Maxthon/i&#39;, $agent, $regs))
    {
        $browser     = &#39;(Internet Explorer &#39; .$browser_ver. &#39;) Maxthon&#39;;
        $browser_ver = &#39;&#39;;
    }
    elseif (preg_match(&#39;/Opera[\s|\/]([^\s]+)/i&#39;, $agent, $regs))
    {
        $browser     = &#39;Opera&#39;;
        $browser_ver = $regs[1];
    }
    elseif (preg_match(&#39;/OmniWeb\/(v*)([^\s|;]+)/i&#39;, $agent, $regs))
    {
        $browser     = &#39;OmniWeb&#39;;
        $browser_ver = $regs[2];
    }
    elseif (preg_match(&#39;/Netscape([\d]*)\/([^\s]+)/i&#39;, $agent, $regs))
    {
        $browser     = &#39;Netscape&#39;;
        $browser_ver = $regs[2];
    }
    elseif (preg_match(&#39;/safari\/([^\s]+)/i&#39;, $agent, $regs))
    {
        $browser     = &#39;Safari&#39;;
        $browser_ver = $regs[1];
    }
    elseif (preg_match(&#39;/NetCaptor\s([^\s|;]+)/i&#39;, $agent, $regs))
    {
        $browser     = &#39;(Internet Explorer &#39; .$browser_ver. &#39;) NetCaptor&#39;;
        $browser_ver = $regs[1];
    }
    elseif (preg_match(&#39;/Lynx\/([^\s]+)/i&#39;, $agent, $regs))
    {
        $browser     = &#39;Lynx&#39;;
        $browser_ver = $regs[1];
    }

    if (!empty($browser))
    {
       return addslashes($browser . &#39; &#39; . $browser_ver);
    }
    else
    {
        return &#39;Unknow browser&#39;;
    }
}

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