php：获取浏览器的版本信息

//分析返回用户网页浏览器名称，返回的数组第一个为浏览器名称，第二个是版本号。

function getBrowser() {

$sys = $_SERVER['HTTP_USER_AGENT'];

if (stripos($sys, "NetCaptor") > 0) {

$exp[0] = "NetCaptor";

$exp[1] = "";

} elseif (stripos($sys, "Firefox/") > 0) {

preg_match("/Firefox\/([^;)]+)+/i", $sys, $b);

$exp[0] = "Mozilla Firefox";

$exp[1] = $b[1];

} elseif (stripos($sys, "MAXTHON") > 0) {

preg_match("/MAXTHON\s+([^;)]+)+/i", $sys, $b);

preg_match("/MSIE\s+([^;)]+)+/i", $sys, $ie);

// $exp = $b[0]." (IE".$ie[1].")";

$exp[0] = $b[0] . " (IE" . $ie[1] . ")";

$exp[1] = $ie[1];

} elseif (stripos($sys, "MSIE") > 0) {

preg_match("/MSIE\s+([^;)]+)+/i", $sys, $ie);

//$exp = "Internet Explorer ".$ie[1];

$exp[0] = "Internet Explorer";

$exp[1] = $ie[1];

} elseif (stripos($sys, "Netscape") > 0) {

$exp[0] = "Netscape";

$exp[1] = "";

} elseif (stripos($sys, "Opera") > 0) {

$exp[0] = "Opera";

$exp[1] = "";

} elseif (stripos($sys, "Chrome") > 0) {

$exp[0] = "Chrome";

$exp[1] = "";

} else {

$exp = "未知浏览器";

$exp[1] = "";

}

return $exp;

}

//检测浏览器，如果为IE6及以下的，就跳转页面

function check_browser(){

$ie_array = getBrowser();

if($ie_array[0]=='Internet Explorer' && $ie_array[1] <= 6){

include './template/default/common/show_ie_out.htm';

//header("Location: ./template/default/common/show_ie_out.htm");

exit();

}

巴特西