SDK import

.buildpath

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<buildpath>
+	<buildpathentry kind="src" path=""/>
+	<buildpathentry kind="con" path="org.eclipse.php.core.LANGUAGE"/>
+</buildpath>

demo.php

@@ -0,0 +1,20 @@
+<?php
+include "wechat.class.php";
+$options = array(
+		'token'=>'tokenaccesskey' //填写你设定的key
+	);
+$weObj = new Wechat($options);
+$weObj->valid();
+$type = $weObj->getRev()->getRevType();
+switch($type) {
+	case Wechat::MSGTYPE_TEXT:
+			$weObj->text("hello, I'm wechat")->reply();
+			exit;
+			break;
+	case Wechat::MSGTYPE_EVENT:
+			break;
+	case Wechat::MSGTYPE_IMAGE:
+			break;
+	default:
+			$weObj->text("help info")->reply();
+}

wechat.class.php

@@ -0,0 +1,393 @@
+<?php
+/**
+ *	微信公众平台PHP-SDK
+ *  @author dodgepudding@gmail.com
+ *  @link https://github.com/dodgepudding/wechat-php-sdk
+ *  @version 1.0
+ *  usage:
+ *   $options = array(
+ *			'token'=>'tokenaccesskey' //填写你设定的key
+ *		);
+ *	 $weObj = new Wechat($options);
+ *   $weObj->valid();
+ *   $type = $weObj->getRev()->getRevType();
+ *   switch($type) {
+ *   		case Wechat::MSGTYPE_TEXT:
+ *   			$weObj->text("hello, I'm wechat")->reply();
+ *   			exit;
+ *   			break;
+ *   		case Wechat::MSGTYPE_EVENT:
+ *   			....
+ *   			break;
+ *   		case Wechat::MSGTYPE_IMAGE:
+ *   			...
+ *   			break;
+ *   		default:
+ *   			$weObj->text("help info")->reply();
+ *   }
+ */
+class Wechat
+{
+	const MSGTYPE_TEXT = 'text';
+	const MSGTYPE_IMAGE = 'image';
+	const MSGTYPE_LOCATION = 'location';
+	const MSGTYPE_LINK = 'link';
+	const MSGTYPE_EVENT = 'event';
+	const MSGTYPE_MUSIC = 'music';
+	const MSGTYPE_NEWS = 'news';
+	private $token;
+	private $_msg;
+	private $_funcflag = false;
+	private $_receive;
+	public $debug =  false;
+	private $_logcallback;
+	
+	public function __construct($options)
+	{
+		$this->token = isset($options['token'])?$options['token']:'';
+		$this->debug = isset($options['debug'])?$options['debug']:false;
+		$this->_logcallback = isset($options['logcallback'])?$options['logcallback']:false;
+	}
+	
+	/**
+	 * For weixin server validation 
+	 */	
+	private function checkSignature()
+	{
+        $signature = $_GET["signature"];
+        $timestamp = $_GET["timestamp"];
+        $nonce = $_GET["nonce"];	
+        		
+		$token = $this->token;
+		$tmpArr = array($token, $timestamp, $nonce);
+		sort($tmpArr);
+		$tmpStr = implode( $tmpArr );
+		$tmpStr = sha1( $tmpStr );
+		
+		if( $tmpStr == $signature ){
+			return true;
+		}else{
+			return false;
+		}
+	}
+	
+	/**
+	 * For weixin server validation 
+	 * @param bool $return 是否返回
+	 */
+	public function valid($return=false)
+    {
+        $echoStr = $_GET["echostr"];
+        if($this->checkSignature()){
+        		if ($return) {
+        			return $echoStr;
+        		} else {
+        			echo $echoStr;
+        			exit;
+        		}
+        }
+        return false;
+    }
+    
+	/**
+	 * 设置发送消息
+	 * @param array $msg 消息数组
+	 * @param bool $append 是否在原消息数组追加
+	 */
+    public function Message($msg = '',$append = false){
+    		if (is_null($msg)) {
+    			$this->_msg =array();
+    		}elseif (is_array($msg)) {
+    			if ($append)
+    				$this->_msg = array_merge($this->_msg,$msg);
+    			else
+    				$this->_msg = $msg;
+    			return $this->_msg;
+    		} else {
+    			return $this->_msg;
+    		}
+    }
+    
+    public function setFuncFlag($flag) {
+    		$this->_funcflag = $flag;
+    		return $this;
+    }
+    
+    private function log($log){
+    		if ($this->debug && function_exists($this->_logcallback)) {
+    			if (is_array($log)) $log = print_r($log,true);
+    			return call_user_func($this->_logcallback,$log);
+    		}
+    }
+    
+    /**
+     * 获取微信服务器发来的信息
+     */
+	public function getRev()
+	{
+		$postStr = file_get_contents("php://input");
+		$this->log($postStr);
+		if (!empty($postStr)) {
+			$this->_receive = (array)simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
+		}
+		return $this;
+	}
+	
+	/**
+	 * 获取消息发送者
+	 */
+	public function getRevFrom() {
+		if ($this->_receive)
+			return $this->_receive['FromUserName'];
+		else 
+			return false;
+	}
+	
+	/**
+	 * 获取消息接受者
+	 */
+	public function getRevTo() {
+		if ($this->_receive)
+			return $this->_receive['ToUserName'];
+		else 
+			return false;
+	}
+	
+	/**
+	 * 获取接收消息的类型
+	 */
+	public function getRevType() {
+		if (isset($this->_receive['MsgType']))
+			return $this->_receive['MsgType'];
+		else 
+			return false;
+	}
+	
+	/**
+	 * 获取消息ID
+	 */
+	public function getRevID() {
+		if (isset($this->_receive['MsgId']))
+			return $this->_receive['MsgId'];
+		else 
+			return false;
+	}
+	
+	/**
+	 * 获取消息发送时间
+	 */
+	public function getRevCtime() {
+		if (isset($this->_receive['CreateTime']))
+			return $this->_receive['CreateTime'];
+		else 
+			return false;
+	}
+	
+	/**
+	 * 获取接收消息内容正文
+	 */
+	public function getRevContent(){
+		if (isset($this->_receive['Content']))
+			return $this->_receive['Content'];
+		else 
+			return false;
+	}
+	
+	/**
+	 * 获取接收消息图片
+	 */
+	public function getRevPic(){
+		if (isset($this->_receive['PicUrl']))
+			return $this->_receive['PicUrl'];
+		else 
+			return false;
+	}
+	
+	/**
+	 * 获取接收消息链接
+	 */
+	public function getRevLink(){
+		if (isset($this->_receive['Url'])){
+			return array(
+				'url'=>$this->_receive['Url'],
+				'title'=>$this->_receive['Title'],
+				'description'=>$this->_receive['Description']
+			);
+		} else 
+			return false;
+	}
+	
+	/**
+	 * 获取接收地理位置
+	 */
+	public function getRevGeo(){
+		if (isset($this->_receive['Location_X'])){
+			return array(
+				'x'=>$this->_receive['Location_X'],
+				'y'=>$this->_receive['Location_Y'],
+				'scale'=>$this->_receive['Scale'],
+				'label'=>$this->_receive['Label']
+			);
+		} else 
+			return false;
+	}
+	
+	/**
+	 * 获取接收事件推送
+	 */
+	public function getRevEvent(){
+		if (isset($this->_receive['Event'])){
+			return array(
+				'event'=>$this->_receive['Event'],
+				'key'=>$this->_receive['EventKey'],
+			);
+		} else 
+			return false;
+	}
+	
+	private function xmlSafeStr($str)
+	{   
+		return preg_replace("/[\\x00-\\x08\\x0b-\\x0c\\x0e-\\x1f]/",'',$str);   
+	} 
+	
+	/**
+	 * 数据XML编码
+	 * @param mixed $data 数据
+	 * @return string
+	 */
+	private function data_to_xml($data) {
+	    $xml = '';
+	    foreach ($data as $key => $val) {
+	        is_numeric($key) && $key = "item id=\"$key\"";
+	        $xml    .=  "<$key><![CDATA[";
+	        $xml    .=  ( is_array($val) || is_object($val)) ? data_to_xml($val)  : $this->xmlSafeStr($val);
+	        list($key, ) = explode(' ', $key);
+	        $xml    .=  "]]></$key>";
+	    }
+	    return $xml;
+	}	
+	
+	/**
+	 * XML编码
+	 * @param mixed $data 数据
+	 * @param string $root 根节点名
+	 * @param string $item 数字索引的子节点名
+	 * @param string $attr 根节点属性
+	 * @param string $id   数字索引子节点key转换的属性名
+	 * @param string $encoding 数据编码
+	 * @return string
+	*/
+	public function xml_encode($data, $root='xml', $item='item', $attr='', $id='id', $encoding='utf-8') {
+	    if(is_array($attr)){
+	        $_attr = array();
+	        foreach ($attr as $key => $value) {
+	            $_attr[] = "{$key}=\"{$value}\"";
+	        }
+	        $attr = implode(' ', $_attr);
+	    }
+	    $attr   = trim($attr);
+	    $attr   = empty($attr) ? '' : " {$attr}";
+	    $xml   .= "<{$root}{$attr}>";
+	    $xml   .= data_to_xml($data, $item, $id);
+	    $xml   .= "</{$root}>";
+	    return $xml;
+	}
+	
+	/**
+	 * 设置回复消息
+	 * Examle: $obj->text('hello')->reply();
+	 * @param string $text
+	 */
+	public function text($text='')
+	{
+		$FuncFlag = $this->_funcflag ? 1 : 0;
+		$msg = array(
+			'ToUserName' => $this->getRevFrom(),
+			'FromUserName'=>$this->getRevTo(),
+			'MsgType'=>self::MSGTYPE_TEXT,
+			'Content'=>$text,
+			'CreateTime'=>time(),
+			'FuncFlag'=>$FuncFlag
+		);
+		$this->Message($msg);
+		return $this;
+	}
+	
+	/**
+	 * 设置回复音乐
+	 * @param string $title
+	 * @param string $desc
+	 * @param string $musicurl
+	 * @param string $hgmusicurl
+	 */
+	public function music($title,$desc,$musicurl,$hgmusicurl='') {
+		$FuncFlag = $this->_funcflag ? 1 : 0;
+		$msg = array(
+			'ToUserName' => $this->getRevFrom(),
+			'FromUserName'=>$this->getRevTo(),
+			'CreateTime'=>time(),
+			'MsgType'=>self::MSGTYPE_MUSIC,
+			'Music'=>array(
+				'Title'=>$title,
+				'Description'=>$desc,
+				'MusicUrl'=>$musicurl,
+				'HQMusicUrl'=>$hgmusicurl
+			),
+			'FuncFlag'=>$FuncFlag
+		);
+		$this->Message($msg);
+		return $this;
+	}
+	
+	/**
+	 * 设置回复图文
+	 * @param array $newsData 
+	 * 数组结构:
+	 *  array(
+	 *  	[0]=>array(
+	 *  		'Title'=>'msg title',
+	 *  		'Description'=>'summary text',
+	 *  		'PicUrl'=>'http://www.domain.com/1.jpg',
+	 *  		'Url'=>'http://www.domain.com/1.html'
+	 *  	),
+	 *  	[1]=>....
+	 *  )
+	 */
+	public function news($newsData=array())
+	{
+		$FuncFlag = $this->_funcflag ? 1 : 0;
+		$count = count($newsData);
+		
+		$msg = array(
+			'ToUserName' => $this->getRevFrom(),
+			'FromUserName'=>$this->getRevTo(),
+			'MsgType'=>self::MSGTYPE_NEWS,
+			'CreateTime'=>time(),
+			'ArticleCount'=>$count,
+			'Articles'=>$newsData,
+			'FuncFlag'=>$FuncFlag
+		);
+		$this->Message($msg);
+		return $this;
+	}
+	
+	/**
+	 * 
+	 * 回复微信服务器, 此函数支持炼师操作
+	 * Example: $this->text('msg tips')->reply();
+	 * @param string $msg 要发送的信息, 默认取$this->_msg
+	 * @param bool $return 是否返回信息而不抛出到浏览器 默认:否
+	 */
+	public function reply($msg=array(),$return = false)
+	{
+		if (empty($msg)) 
+			$msg = $this->_msg;
+		$xmldata=  $this->xml_encode($msg);
+		$this->log($xmldata);
+		if ($return)
+			return $xmldata;
+		else
+			echo $xmldata;
+	}
+	
+}