微信轻接触，信轻接触_PHP教程

<span>private</span> <span>function</span><span> checkSignature()
    {
      </span><span>$signature</span> = <span>$_GET</span>["signature"<span>];
      </span><span>$timestamp</span> = <span>$_GET</span>["timestamp"<span>];
      </span><span>$nonce</span> = <span>$_GET</span>["nonce"<span>];
      </span><span>$token</span> =<span> TOKEN;
      </span><span>$tmpArr</span> = <span>array</span>(<span>$token</span>, <span>$timestamp</span>, <span>$nonce</span><span>);
      </span><span>sort</span>(<span>$tmpArr</span>,<span> SORT_STRING);
      </span><span>$tmpStr</span> = <span>implode</span>( <span>$tmpArr</span><span> );
      </span><span>$tmpStr</span> = <span>sha1</span>( <span>$tmpStr</span><span> );
      </span><span>if</span>( <span>$tmpStr</span> == <span>$signature</span><span> ){
             </span><span>return</span> <span>true</span><span>;
      }</span><span>else</span><span>{
             </span><span>return</span> <span>false</span><span>;
      }
    }</span>

<span>function</span><span> valid(){
</span><span>if</span>(<span>$this</span>-><span>checkSignature()){
</span><span>echo</span> <span>$_GET</span>['echostr'<span>];
</span><span>exit</span><span>;
}
}</span>

<span>function</span><span> responseMsg(){

</span><span>//</span><span>写你自己想要回复消息的一系列动作</span>
<span>
}</span>