agent.class.php
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<?php
// 接口输出类
class Agent
{
// 设备类型
const DEVICE_MOBILE = 1;
const DEVICE_DESKTOP = 2;
const DEVICE_UNKNOWN = -1;
// 浏览器类型
const BROWSER_TYPE_IPHONE = 1;
const BROWSER_TYPE_IPAD = 2;
const BROWSER_TYPE_IPOD = 3;
const BROWSER_TYPE_ANDROID = 4;
const BROWSER_TYPE_UNKNOWN = -1;
// 系统类型
const OS_TYPE_IOS = 1;
const OS_TYPE_ANDROID = 2;
const OS_TYPE_UNKNOWN = -1;
// 是否RETINA屏
const RETINA_TYPE_YES = 1;
const RETINA_TYPE_NOT = 0;
// 是否IOS6系统
const IOS6_YES = 1;
const IOS6_NOT = 0;
// 是否微信打开
const MICRO_MESSAGE_YES = 1;
const MICRO_MESSAGE_NOT = 0;
// APP已经安装
const APP_INSTALLED_YES = 1;
const APP_INSTALLED_NOT = 0;
// 得到agent完整类型信息
public static function getDeviceInfo()
{
return array(
'deviceType' => self::deviceType(),
'browserType' => self::browserType(),
'isRetina' => self::isRetina(),
'osType' => self::osType(),
'isIos6' => self::isIos6(),
);
}
// 浏览器类型
public static function browserType($agent = '')
{
$agent = self::getAgent($agent);
if (stripos($agent, 'iphone') !== false) {
return self::BROWSER_TYPE_IPHONE;
}
if (stripos($agent, 'ipad') !== false) {
return self::BROWSER_TYPE_IPAD;
}
if (stripos($agent, 'ipod') !== false) {
return self::BROWSER_TYPE_IPOD;
}
if (stripos($agent, 'android') !== false) {
return self::BROWSER_TYPE_ANDROID;
}
return self::BROWSER_TYPE_UNKNOWN;
}
// 系统类型
public static function osType($agent = '')
{
$agent = self::getAgent($agent);
$browserType = self::browserType($agent);
switch ($browserType) {
case self::BROWSER_TYPE_IPHONE:
case self::BROWSER_TYPE_IPAD:
case self::BROWSER_TYPE_IPOD:
$osType = self::OS_TYPE_IOS;
break;
case self::BROWSER_TYPE_ANDROID:
$osType = self::OS_TYPE_ANDROID;
break;
default:
$osType = self::OS_TYPE_UNKNOWN;
}
return $osType;
}
// 设备类型
public static function deviceType()
{
if (self::isMobile()) {
return self::DEVICE_MOBILE;
} else {
return self::DEVICE_DESKTOP;
}
}
// retina屏
public static function isRetina($agent = '')
{
$agent = self::getAgent($agent);
$osType = self::osType($agent);
if (($osType == self::OS_TYPE_IOS) && (self::isIos6($agent) != 1)) {
return self::RETINA_TYPE_YES;
} else {
return self::RETINA_TYPE_NOT;
}
}
// ios6系统的手机(iphone4, iphone4s)
public static function isIos6($agent = '')
{
$agent = self::getAgent($agent);
if (stripos($agent, 'iPhone OS 6')) {
return self::IOS6_YES;
} else {
return self::IOS6_NOT;
}
}
// 检查是否在微信中打开
public static function isMicroMessage($agent = '')
{
$agent = self::getAgent($agent);
if (stripos($agent, 'MicroMessenger') !== false) {
return self::MICRO_MESSAGE_YES;
} else {
return self::MICRO_MESSAGE_NOT;
}
}
// 已安装APP
public static function isAppInstalled()
{
if (isset($_GET['isappinstalled']) && ($_GET['isappinstalled'] == 1)) {
return self::APP_INSTALLED_YES;
} else {
return self::APP_INSTALLED_NOT;
}
}
// 是移动设备访问
public static function isMobile()
{
// 如果有HTTP_X_WAP_PROFILE则一定是移动设备
if (isset($_SERVER['HTTP_X_WAP_PROFILE'])) {
return true;
}
// 如果via信息含有wap则一定是移动设备,部分服务商会屏蔽该信息
if (isset($_SERVER['HTTP_VIA']) && stristr($_SERVER['HTTP_VIA'], "wap")) {
return true;
}
// 脑残法，判断手机发送的客户端标志,兼容性有待提高
if (isset ($_SERVER['HTTP_USER_AGENT'])) {
$clientkeywords = array('nokia', 'sony', 'ericsson', 'mot', 'samsung', 'htc', 'sgh', 'lg', 'sharp',
'sie-', 'philips', 'panasonic', 'alcatel', 'lenovo', 'iphone', 'ipod', 'blackberry', 'meizu',
'android', 'netfront', 'symbian', 'ucweb', 'windowsce', 'palm', 'operamini', 'operamobi', 'openwave',
'nexusone', 'cldc', 'midp', 'wap', 'mobile');
// 从HTTP_USER_AGENT中查找手机浏览器的关键字
if (preg_match("/(" . implode('|', $clientkeywords) . ")/i", strtolower($_SERVER['HTTP_USER_AGENT']))) {
return true;
}
}
// 协议法，因为有可能不准确，放到最后判断
if (isset($_SERVER['HTTP_ACCEPT'])) {
// 如果只支持wml并且不支持html那一定是移动设备, 如果支持wml和html但是wml在html之前则是移动设备
if ((strpos($_SERVER['HTTP_ACCEPT'], 'vnd.wap.wml') !== false) && (strpos($_SERVER['HTTP_ACCEPT'], 'text/html') === false || (strpos($_SERVER['HTTP_ACCEPT'], 'vnd.wap.wml') < strpos($_SERVER['HTTP_ACCEPT'], 'text/html')))) {
return true;
}
}
return false;
}
public static function getAgent($agent = '')
{
$agent = empty($agent) ? $_SERVER['HTTP_USER_AGENT'] : $agent;
return $agent;
}
}