WeChat Public account Development mode PHP interface implementation

<?phpdefine ("token", "Your Token"), class wechatcallbackapi{//public $signature;    Encrypted signature//public $timestamp;        Time Stamp//public $nonce;    Random number//public $echostr;    Random string, return flag public $fromUserName;        Sender ID public $toUserName;        The recipient ID (public number) is $keyWords;        Text information public $msgId; Message ID public $welcomeMsg;    Welcome message Public $msgType;        Message type public $event;    Event name Public $mediaId;        Voice message Media ID, you can call the multimedia file download interface to pull the media public $format;    Speech format: AMR public $recognition; Speech recognition Results Public function __construct () {$this->welcomemsg= "HELLO, Welcome to subscribe!            ";    $this->main (); Open when first verified, then close ***************}//First token verify public function main () {$echoStr =$_get[' E        Chostr '];        if ($this->checkres ()) {echo $echoStr;        }else{exit ();    }}//Verify Permissions Private Function Checkres () {$signature =$_get[' signature '); BeenFetch the service sent over the parameters $timestamp =$_get[' timestamp '];        $nonce =$_get[' nonce '];        $token = token;        $TMPARR = Array ($token, $timestamp, $nonce);    Sort ($TMPARR);    Sort the Dictionary $strWaitCheck = implode ($TMPARR);    String combination $strWaitCheck = SHA1 ($strWaitCheck);        SHA1 Encrypt the string if ($strWaitCheck = = $signature) {return true;        }else{return false;    }} Public Function Getwhatwechatserverpost () {$huntPostContent = $GLOBALS ["Http_raw_post_data"];    Get the service post to the content $newXmlObj =simplexml_load_string ($huntPostContent, ' simplexmlelement ', libxml_nocdata);    Load the post string into the object $this->fromusername = $NEWXMLOBJ->fromusername;    Username $this->tousername = $newXmlObj of the message to the public account->tousername;    Public account name $this->keywords = Trim ($newXmlObj->content);        Message content $this->msgid = Trim ($newXmlObj->msgid); Reads the current message msgid $this->msgtype = tRim ($NEWXMLOBJ->msgtype);        Reads the current message type $this->event = Trim ($newXmlObj->event);    Reads the current event name $this->format = Trim ($newXmlObj->format);    Speech format: Amr $this->mediaid = Trim ($newXmlObj->mediaid);    Voice message Media ID, you can call the multimedia file download interface to pull the media $this->recognition = Trim ($newXmlObj->recognition);    Speech recognition results, UTF8 encoding}//Message response Public Function responsemsg () {$this->getwhatwechatserverpost (); Executes the receiving server post over something//when the message type is text, handle if (!empty ($this->keywords) && Amp                            $this->msgtype = = "Text") {$para = $this->keywords; Switch ($para) {case "1": $tmp _item = $this->textp  Icmaxtmp ("This is a test!!", "Uncle Aunt don't too big, it's a test drip",                                  "Http://www.baidu.com/img/bdlogo.gif", "http://www.ba                                    idu.com/");                                    $re _global = $this->restextpicmax ($this->fromusername, $this->tousername,1, $tmp _item);                                    echo $re _global;                                Break                                    Case "2": $contentResText = "hello,buddy,you send me a \" 2\ "[Rose]";                                    $re _global = $this->restextmsg ($this->fromusername, $this->tousername, $contentResText);                                    echo $re _global;                                                                    Break                                    Case "": $contentResText = "The string you want to return";                                    $this->longstrhandleextendfunc ($contentResText);        Break                                          Default://Call function judgment function processing                                       $this->longstrhandle ($para);                                Break                                    }}else if ($this->msgtype = = "Event" &&!empty ($this->event)) {//Get event Type if ($this->event== ' subscribe ') {$contentResText    = $this->welcomemsg; Push the welcome message when you first focus $re _global = $this->restextmsg ($this->fromusername, $this-                                        >tousername, $contentResText);                                            }else if ($this->event = = "Unsubscribe") {///This place seems to have no effect!!!                                            $contentResText = "I rub, you run away";                       $re _global = $this->restextmsg ($this->fromusername, $this->tousername, $contentResText);                     }}else if ($this->msgtype = = "Voice") { if ($this->recognition = = "") {$contentResText = "Pro, you say the Martian text, do not understand, suggest you or the text query it. [Bared teeth];//Voice returns an error when no results are returned $re _global = $this->restextmsg ($this->fro                                            Musername, $this->tousername, $contentResText);                                                }else{$contentResText = $this->recognition;//Other cases return the Welcome language $re _global = $this->restextmsg ($this->fromusername, $this->tousername, $contentResT                                                                                                    EXT); }}else{//If you accidentally get an empty message in the text case                      The processing echo "";      Exit ();    } echo $re _global; Returns a value to the server}//A few words used several times defines a small method public function Longstrhandleextendfunc ($conText)                    {$re _global = $this->restextmsg ($this->fromusername, $this->tousername, $conText);                echo $re _global; }//receive the handling of characters other than a specific character, which is handled according to the specific logic you need to handle the public function Longstrhandle ($waitHandle STR) {/* Your code */}//Back Complex text information method public function restextmsg ($tu, $fu, $textContent) {//text message template $TEXTTPL = "&L T;xml> <tousername><! [cdata[%s]]></tousername> <fromusername><!                   [cdata[%s]]></fromusername> <CreateTime>%s</CreateTime>         <msgtype><! [cdata[%s]]></msgtype> <content><! [cdata[%s]]></content> <FuncFlag>0</FuncFlag> &                    Lt;/xml> ";    $msgType = "text";        Message type $time = time ();    Timestamp $resServerStr = sprintf ($TEXTTPL, $tu, $fu, $time, $msgType, $textContent);            Replace the contents of the template return $resServerStr;                    }//Reply graphic public function Restextpicmax ($tu, $fu, $itemNum, $totalItemStr) {//Picture template $PICTPL = "<xml> <tousername><! [cdata[%s]]></tousername> <fromusername><!                                     [cdata[%s]]></fromusername> <CreateTime>%s</CreateTime> <msgtype><! [Cdata[%s]]></msgtype>                                    <ArticleCount>%s</ArticleCount> <Articles> "                                     . $totalItemStr.                    "</Articles> </xml>";    $msgType = "News";        Message type $time = time (); Timestamp $resServerStr = sprintf ($PICTPL, $this->fromusername, $this->tousername, $time, $msgType, $itemN    UM);            Replace the contents of the template return $resServerStr; }//graphic template handles public function textpicmaxtmp ($title, $des, $PICURL, $JUMPURL) {//text message entry modulo board $ITEMTPL = "<item> <title><! [cdata[%s]]></title> <description><! [cdata[%s]]></description> <picurl><! [CDATA[%s]] ></PicUrl> <url><!                [cdata[%s]]></url> </item> ";    $RESITEMSTR = sprintf ($ITEMTPL, $title, $des, $PICURL, $JUMPURL);                Replace the contents of the template return $resItemStr; }//The next step is your own definition of the various methods}

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