获取用户所属浏览器和设备

function getBrowser($agent){
	$known = array('baidubrowser','QQBrowser','Maxthon','UC','UCBrowser','UBrowser','MetaSr', 'TheWorld','360se','360browser','115Browser','LBBrowser','2345Explorer','2345chrome','SogouMobileBrowser','TaoBrowser','baiduboxapp','MiuiBrowser'
			,'EUI Browser','CoolNovo','Edge','Firefox','Chrome','Safari','MSIE','Opera','Netscape', 'Konqueror', 'Gecko');
	$browser = newStripos($agent,$known,true);
	if ($browser == 'MetaSr'){
		$browser = 'sougouBrowser';
	}
	return $browser ? $browser : 'other';
}

　　

function newStripos($string,$arr,$returnValue = false){
	if (empty($string)) return false;
	foreach ((array)$arr as $v){
		if (stripos($string,$v) !== false){

			$return = $returnValue ? $v : true;
			return $return;
		}
	}
	return false;
}

　　

function getDevice($agent){
	//Mozilla/5.0 (Linux; Android 6.0; Le X620; Build/HEXCNFN5902606111S; wv) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.92 Mobile Safari/537.36 SogouMSE,SogouMobileBrowser/5.6.8
	$device = '';
	if (stripos($agent,'iphone')){
		$device = 'iphone';
	}elseif (stripos($agent,'ipad')){
		$device = 'ipad';
	}elseif(stripos($agent,'android')  !== false && preg_match('/;(.*);?\s+Build/iU', $agent,$match)){
		$info = explode(';', $match[1]);
		$device = $info[count($info)-1];
		print_r($info);
	}  else {
		$known = array( 'phone', 'mobile', 'wap', 'netfront', 'java', 'opera mobi', 'opera mini',
			'ucweb', 'windows ce', 'symbian', 'series', 'webos', 'sony', 'blackberry', 'dopod', 'nokia', 'samsung',
			'palmsource', 'xda', 'pieplus', 'meizu', 'midp', 'cldc', 'motorola', 'foma', 'docomo', 'up.browser',
			'up.link', 'blazer', 'helio', 'hosin', 'huawei', 'novarra', 'coolpad', 'webos', 'techfaith', 'palmsource',
			'alcatel', 'amoi', 'ktouch', 'nexian', 'ericsson', 'philips', 'sagem', 'wellcom', 'bunjalloo', 'maui', 'smartphone',
			'iemobile', 'spice', 'bird', 'zte-', 'longcos', 'pantech', 'gionee', 'portalmmm', 'jig browser', 'hiptop',
			'benq', 'haier', '^lct', '320x320', '240x320', '176x220', 'windows phone');
		$device = newStripos($agent,$known,true);
	}
	return $device ? $device : 'other';
	
}