Fix #879

src/Connection/TcpConnection.php

@@ -11,6 +11,7 @@
  * @link      http://www.workerman.net/
  * @license   http://www.opensource.org/licenses/mit-license.php MIT License
  */
+declare(strict_types=1);
 
 namespace Workerman\Connection;
 
@@ -304,7 +305,7 @@ class TcpConnection extends ConnectionInterface implements JsonSerializable
      *
      * @var bool
      */
-    protected bool $sslHandshakeCompleted = false;
+    protected bool|int $sslHandshakeCompleted = false;
 
     /**
      * All connection instances.
@@ -341,7 +342,7 @@ class TcpConnection extends ConnectionInterface implements JsonSerializable
             self::$idRecorder = 0;
         }
         $this->socket = $socket;
-        stream_set_blocking($this->socket, 0);
+        stream_set_blocking($this->socket, false);
         // Compatible with hhvm
         if (function_exists('stream_set_read_buffer')) {
             stream_set_read_buffer($this->socket, 0);