瀏覽器類型判斷和主流設備類型

/**
 * 通過分析UA獲取主流瀏覽器類型
 */
function getBrowser() {
	$userAgent = $_SERVER['HTTP_USER_AGENT'];
	if ((strpos($userAgent, 'MSIE') == false) && (strpos($userAgent, 'Trident') !== FALSE)) {
		return 'IE11';
	}elseif (strpos($userAgent, 'MSIE 10.0') != false) {
		return 'IE10';
	}elseif (strpos($userAgent, 'MSIE 9.0') != false) {
		return 'IE9';
	}elseif (strpos($userAgent, 'MSIE 8.0') != false) {
		return 'IE8';
	}elseif (strpos($userAgent, 'MSIE 7.0') != false) {
		return 'IE7';
	}elseif (strpos($userAgent, 'MSIE 6.0') != false) {
		return 'IE6';
	}elseif (strpos($userAgent, 'Edge') != false) {
		return 'Edge';
	}elseif (strpos($userAgent, '360SE') != false) {
		return '360安全瀏覽器';
	}elseif (strpos($userAgent, 'MicroMessenger') != false) {
		return '微信瀏覽器';
	}elseif (strpos($userAgent, 'QQ') != false) {
		return 'QQ瀏覽器';
	}elseif (strpos($userAgent, 'Firefox') != false) {
		return '火狐瀏覽器';
	}elseif (strpos($userAgent, 'SE 2.X MetaSr 1.0') != false) {
		return '搜狗瀏覽器';
	}elseif (strpos($userAgent, 'Opera') != false) {
		return 'Opera瀏覽器';
	}elseif (strpos($userAgent, 'UBrowser') != false) {
		return 'UC瀏覽器';
	}elseif (strpos($userAgent, 'LBBROWSER') != false) {
		return '獵豹瀏覽器';
	}elseif (strpos($userAgent, 'Chrome') != false) {
		return 'Chrome';
	}elseif (strpos($userAgent, 'Safari') != false) {
		return 'Safari';
	}else{
		return '非主流瀏覽器';
	}
}

/**
 * 通過分析UA獲取主流設備類型
 */
function getDevice(){
	$userAgent = $_SERVER['HTTP_USER_AGENT'];
	if(true == preg_match("/.+Windows.+/", $userAgent)){
		return "電腦(Win)設備";
	}elseif(true == preg_match("/.+Macintosh.+/", $userAgent)){
		return "電腦(Mac)設備";
	}elseif(true == preg_match("/.+iPad.+/", $userAgent)){
		return "iPad設備";
	}elseif(true == preg_match("/.+iPhone.+/", $userAgent)){
		return "iPhone設備";
	}elseif(true == preg_match("/.+Android.+/", $userAgent)){
		return "Android設備";
	}else{
		return "未知設備";
	}
}