WePayV3/Contracts/BasicWePay.php

@@ -338,26 +338,13 @@ abstract class BasicWePay
         }
         $signature = '';
         if (!openssl_sign($data, $signature, $pkeyid, 'sha256WithRSAEncryption')) {
-            $this->freeKey($pkeyid);
+            openssl_free_key($pkeyid);
             throw new InvalidArgumentException("Failed to sign data with private key");
         }
-        $this->freeKey($pkeyid);
+        openssl_free_key($pkeyid);
         return base64_encode($signature);
     }
 
-    /**
-     * 兼容释放 OpenSSL 密钥资源
-     * @param mixed $pkey
-     * @return void
-     */
-    protected function freeKey($pkey)
-    {
-        // PHP 8+ 中 openssl_free_key 已废弃，交由运行时回收即可。
-        if (version_compare(PHP_VERSION, '8.0.0', '<') && function_exists('openssl_free_key')) {
-            openssl_free_key($pkey);
-        }
-    }
-
     /**
      * 通过CURL模拟网络请求
      * @param string $method 请求方法
@@ -532,4 +519,4 @@ abstract class BasicWePay
             throw new InvalidDecryptException('Rsa Encrypt Error.');
         }
     }
-}
+}