Share a PHP WeChat interface encapsulation class

Share a PHP interface encapsulation class Weixin_run (); // execution receiver Method class wechatCallbackapiTest {private $ fromUsername; private $ toUsername; private $ times; private $ keyword; public function weixin_run () {$ this-> responseMsg (); $ arr [] = array ("very reliable, good! "," Aa "," http://www.chuangen.com/pic/hj/s_4.png "," http://www.baidu.com "); $ Arr [] = array (" very reliable, good! "," Aa "," http://www.chuangen.com/pic/hj/s_4.png "," http://www.baidu.com "); $ Arr [] = array (" very reliable, good! "," Aa "," http://www.chuangen.com/pic/hj/s_4.png "," http://www.baidu.com "); $ This-> fun_xml (" news ", $ arr, array (2, 0);} function t ($ n) {include (" t_api.php "); $ c_name = $ t_api [$ n]; $ json = file_get_contents (" http://m.weather.com.cn/data/101110310.html "); Return json_decode ($ json);} public function valid () {$ echoStr = $ _ GET [" echostr "]; // valid signature, optionif ($ this-> checkSignature () {echo $ echoStr; exit;} public function responseMsg () {$ postStr = $ GLOBALS ["HTTP_RAW_POST_DATA"]; if (! Empty ($ postStr) {$ postObj = simplexml_load_string ($ postStr, 'simplexmlelement', LIBXML_NOCDATA); $ this-> fromUsername = $ postObj-> FromUserName; $ this-> toUsername = $ postObj-> ToUserName; $ this-> keyword = trim ($ postObj-> Content); $ this-> times = time ();} else {echo "this a file for weixin API! "; Exit ;}/// encapsulation class, // type: text type, news text type // text, array (content), array (ID) // news, array (title, introduction, image, hyperlink ),... less than 10), array (number, ID) private function fun_xml ($ type, $ value_arr, $ o_arr = array (0 )) {// ============================ xml header ===================$ con =" {$this->fromUsername} {$this->toUsername} {$ This-> times} {$type} "; // ============================ Type content ============== switch ($ type) {case "text": $ con. =" {$value_arr[0]} {$ O_arr} "; Break; case" news ": $ con. =" {$ o_arr [0]}"; Foreach ($ value_arr as $ id = >$ v) {if ($ id >=$ o_arr [0]) break; else null; // judge whether the number of arrays cannot exceed the set number $ con. =" <! [CDATA [{$ v [0]}]> {$v[1]} {$v[2]} {$v[3]} ";}$ Con. =" {$ O_arr [1]} "; Break ;} // end switch // ============================== end return ============ echo $ con." ";} Private function checkSignature () {$ signature = $ _ GET [" signature "]; $ timestamp = $ _ GET [" timestamp "]; $ nonce = $ _ GET ["nonce"]; $ token = TOKEN; $ tmpArr = array ($ token, $ timestamp, $ nonce); sort ($ tmpArr ); $ tmpStr = implode ($ tmpArr); $ tmpStr = sha1 ($ tmpStr); if ($ tmpStr ==$ signature) {return true ;} else {return false ;}}}?>