Php WeChat public platform development example

Php public platform development example

The ThinkWechat. php file is as follows:

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<? Php Class Wechat { /** * Pushed data or response data * @ Var array */ Private $ data = array (); /** * Constructor, used to instantiate the SDK * @ Param string $ token the TOKEN set for the token Open Platform */ Public function _ construct ($ token ){ $ This-> auth ($ token) | exit; If (! Empty ($ _ GET ['echostr']) { Exit ($ _ GET ['echostr']); } Else { Try { $ Xml = file_get_contents ("php: // input "); $ Xml = new SimpleXMLElement ($ xml ); $ Xml | exit; Foreach ($ xml as $ key => $ value ){ $ This-> data [$ key] = strval ($ value ); } } Catch (Exception $ e ){ } } } /** * Get the pushed data * @ Return the data after array Conversion */ Public function request (){ Return $ this-> data; } /** ** Response Message (automatic reply) * @ Param string $ to receive the user name * @ Param string $ from the sender's username * @ Param array $ content: the reply message. The text information is of the string type. * @ Param string $ type Message type * @ Param string $ flag indicates whether the new logo has just received the information * @ Return string XML string */ Public function response ($ content, $ type = 'text', $ flag = 0 ){ /* Basic Data */ $ This-> data = array ( 'Tousername' => $ this-> data ['fromusername'], 'Fromusername' => $ this-> data ['tousername'], 'Createtime' => time (), 'Msgtype' => $ type, ); /* Add type data */ $ This-> $ type ($ content ); /* Add status */ $ This-> data ['funcflag'] = $ flag; /* Convert the data to XML */ $ Xml = new SimpleXMLElement ('<xml> </xml> '); $ This-> data2xml ($ xml, $ this-> data ); Exit ($ xml-> asXML ()); } /** * Reply to text information * @ Param string $ content the information to be replied */ Private function text ($ content ){ $ This-> data ['content'] = $ Content; } /** * Reply to music information * @ Param string $ the music to be replied to by content */ Private function music ($ music ){ List ( $ Music ['title'], $ Music ['description'], $ Music ['musicurl'], $ Music ['hqmusicurl'] ) = $ Music; $ This-> data ['music'] = $ Music; } /** * Reply to text information * @ Param string $ text content to be replied to by news */ Private function news ($ news ){ $ Articles = array (); Foreach ($ news as $ key => $ value ){ List ( $ Articles [$ key] ['title'], $ Articles [$ key] ['description'], $ Articles [$ key] ['picurl'], $ Articles [$ key] ['url'] ) = $ Value; If ($ key> = 9) {break;} // a maximum of 10 news calls are allowed. } $ This-> data ['articlescount'] = count ($ articles ); $ This-> data ['articles '] = $ Articles; } /** * Data XML Encoding * @ Param object $ xml XML object * @ Param mixed $ data * @ Param string $ the node name of the item numeric index * @ Return string */ Private function data2xml ($ xml, $ data, $ item = 'item '){ Foreach ($ data as $ key => $ value ){ /* Specify the default numeric key */ Is_numeric ($ key) & $ key = $ item; /* Add sub-elements */ If (is_array ($ value) | is_object ($ value )){ $ Child = $ xml-> addChild ($ key ); $ This-> data2xml ($ child, $ value, $ item ); } Else { If (is_numeric ($ value )){ $ Child = $ xml-> addChild ($ key, $ value ); } Else { $ Child = $ xml-> addChild ($ key ); $ Node = dom_import_simplexml ($ child ); $ Node-> appendChild ($ node-> ownerDocument-> createCDATASection ($ value )); } } } } /** * Sign and authenticate the data to ensure that the data is sent. * @ Param string $ token the TOKEN set for the token Open Platform * @ Return boolean true-correct signature, false-Incorrect Signature */ Private function auth ($ token ){ If (empty ($ _ GET ['signature']) return; /* Get Data */ $ Data = array ($ _ GET ['timestamp'], $ _ GET ['nonce '], $ token ); $ Sign = $ _ GET ['signature']; /* Sort data alphabetically */ Sort ($ data, SORT_STRING ); /* Generate a signature */ $ Signature = sha1 (implode ($ data )); Return $ signature ===$ sign; } }