php 手机系统 php-mobile-detect

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　　1. php  mobile detect

<?php
/**
* Mobile Detect
*
* @license    http://www.opensource.org/licenses/mit-license.php The MIT License
* @version    SVN: $Id: Mobile_Detect.php 4 2011-05-26 08:04:20Z vic.stanciu@gmail.com $
*/
class Mobile_Detect {
protected $accept;
protected $userAgent;
protected $isMobile     = false;
protected $isAndroid    = null;
protected $isBlackberry = null;
protected $isOpera      = null;
protected $isPalm       = null;
protected $isWindows    = null;
protected $isGeneric    = null;
protected $devices = array(
"android"       => "android",
"blackberry"    => "blackberry",
"iphone"        => "(iphone|ipod)",
"opera"         => "opera mini",
"palm"          => "(avantgo|blazer|elaine|hiptop|palm|plucker|xiino)",
"windows"       => "windows ce; (iemobile|ppc|smartphone)",
"generic"       => "(kindle|mobile|mmp|midp|o2|pda|pocket|psp|symbian|smartphone|treo|up.browser|up.link|vodafone|wap)"
);

public function __construct() {
$this->userAgent = $_SERVER['HTTP_USER_AGENT'];
$this->accept    = $_SERVER['HTTP_ACCEPT'];
if (isset($_SERVER['HTTP_X_WAP_PROFILE'])|| isset($_SERVER['HTTP_PROFILE'])) $this->isMobile = true;
elseif (strpos($this->accept,'text/vnd.wap.wml') > 0 || strpos($this->accept,'application/vnd.wap.xhtml+xml') > 0) $this->isMobile = true;
else foreach ($this->devices as $device => $regexp) if ($this->isDevice($device)) $this->isMobile = true;
}

/**
* Overloads isAndroid() | isBlackberry() | isOpera() | isPalm() | isWindows() | isGeneric() through isDevice()
*
* @param string $name
* @param array $arguments
* @return bool
*/
public function __call($name, $arguments) {
$device = substr($name, 2);
if ($name == "is" . ucfirst($device)) return $this->isDevice($device);
else  trigger_error("Method $name not defined", E_USER_ERROR);
}

/**
* Returns true if any type of mobile device detected, including special ones
* @return bool
*/
public function isMobile() {
return $this->isMobile;
}

protected function isDevice($device) {
$var    = "is" . ucfirst($device);
$return = $this->$var === null ? (bool) preg_match("/" . $this->devices[$device] . "/i", $this->userAgent) : $this->$var;
if ($device != 'generic' && $return == true) $this->isGeneric = false;
return $return;
}
}
 
Description

Mobile_Detect is a simple PHP class for easy detection of the most popular mobile devices platforms: Android, Blackberry, Opera Mini, Palm, Windows Mobile, as well as generic ones.


Usage

Include and instantiate the class:
 

include("Mobile_Detect.php");
$detect = new Mobile_Detect();
 
Check for a specific platform:
 

if ($detect->isAndroid()) {
    // code to run for the Google Android platform
}
 
Available methods are isAndroid(), isBlackberry(), isOpera(), isPalm(), isWindows(), isGeneric(). Alternatively, if you are only interested in checking to see if the user is using a mobile device, without caring for specific platform:
 

if ($detect->isMobile()) {
    // any mobile platform
}
　　来源：http://code.google.com/p/php-mobile-detect/
　　2. .htaccess
　　


#redirect mobile browsers
RewriteCond %{HTTP_USER_AGENT} ^.*iPhone.*$
RewriteRule ^(.*)$ http://mobile.yourdomain.com [R=301]
RewriteCond %{HTTP_USER_AGENT} ^.*BlackBerry.*$
RewriteRule ^(.*)$ http://mobile.yourdomain.com [R=301]
RewriteCond %{HTTP_USER_AGENT} ^.*Palm.*$
RewriteRule ^(.*)$ http://mobile.yourdomain.com [R=301]
 　　或者
　　


RewriteCond %{REQUEST_URI} !^/mobiledirectoryhere/.*$
RewriteCond %{HTTP_USER_AGENT} "android|blackberry|ipad|iphone|ipod|iemobile|opera mobile|palmos|webos|googlebot-mobile" [NC]
RewriteRule ^(.*)$ /mobiledirectoryhere/ [L,R=302]