优化 UA判断

include/function.php

@@ -1,80 +1,39 @@
 <?php 
-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'])) {
-        // 找不到为flase,否则为true
-        return stristr($_SERVER['HTTP_VIA'], "wap") ? true : false;
-    }
-    // 判断手机发送的客户端标志,兼容性有待提高。其中'MicroMessenger'是电脑微信
-    if (isset($_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',
-            'MicroMessenger'
-        );
-        // 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($_SERVER['HTTP_ACCEPT'], 'text/html')))) {
-            return true;
-        }
-    }
-    return false;
+function strexists($string, $find) {
+	return !(strpos($string, $find) === FALSE);
 }
-if (ismobile() == true) {
-    $ua = 'wap';
-} else {
-    $ua = 'pc';
+
+function dstrpos($string, $arr) {
+	if(empty($string)) return false;
+	foreach((array)$arr as $v) {
+		if(strpos($string, $v) !== false) {
+			return true;
+		}
+	}
+	return false;
 }
+
+function checkmobile() {
+	$useragent = strtolower($_SERVER['HTTP_USER_AGENT']);
+	$ualist = array('android', 'midp', 'nokia', 'mobile', 'iphone', 'ipod', 'blackberry', 'windows phone');
+	if((dstrpos($useragent, $ualist) || strexists($_SERVER['HTTP_ACCEPT'], "VND.WAP") || strexists($_SERVER['HTTP_VIA'],"wap"))){
+		$ua = 'wap';
+		return $ua;
+	}else{
+	    $ua = 'pc';
+	    return $ua;
+	}
+}
+
 function daddslashes($string) {
-    if (is_array($string)) {
-        foreach ($string as $key => $val) {
-            $string[$key] = daddslashes($val, $force, $strip);
-        }
-    } else {
-        $string = addslashes($strip ? stripslashes($string) : $string);
-    }
-    return $string;
+	if(is_array($string)) {
+		foreach($string as $key => $val) {
+			$string[$key] = daddslashes($val);
+		}
+	} else {
+		$string = addslashes($string);
+	}
+	return $string;
 }
 function authcode($string, $operation = 'DECODE', $key = '', $expiry = 0) {
     $ckey_length = 4;
@@ -126,6 +85,7 @@ function getver($ver) {
     return $vn[0] . sprintf("%02d", $vn[1]) . sprintf("%02d", $vn[2]);
 }
 function saveSetting($k, $v) {
+    global $DB;
     $v = daddslashes($v);
     return $DB->query("UPDATE `lylme_config` SET `v` = '$v' WHERE `lylme_config`.`k` = '$k';");
 }

include/home.php

@@ -78,7 +78,7 @@ while ($soulist = $DB->fetch($soulists)) {
     if ($soulist["sou_st"] == 1) {
         echo '	<li>
 								<input hidden=""  checked="" type="radio" name="type" id="type-' . $soulist["sou_alias"] . '" value="';
-        if ($ua == 'wap' && $soulist["sou_waplink"] != NULL) {
+        if (checkmobile() == 'wap' && $soulist["sou_waplink"] != NULL) {
             echo $soulist["sou_waplink"];
         } else {
             echo $soulist["sou_link"];