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易信php验证接口

php下的易信验证接口
  1. $signature = $_GET['signature'];
  2. $timestamp = $_GET['timestamp'];
  3. $nonce = $_GET['nonce'];
  4. $token="1LYURrl3b89L";//可改,复制到易信token处
  5. //组合
  6. $signatureArray = array($token, $timestamp, $nonce);
  7. //字典排序
  8. sort($signatureArray);
  9. //sha1加密、验证
  10. if( sha1(implode($signatureArray)) == $signature){
  11. echo $_GET['echostr'];
  12. }