/**
* 检测用户当前浏览器
* @return boolean 是否ie浏览器
*/
function chk_ie_browser() {
$userbrowser = $_SERVER['HTTP_USER_AGENT'];
if ( preg_match( '/MSIE/i', $userbrowser ) ) {
$usingie = true;
} else {
$usingie = false;
}
return $usingie;
}