Set null

Author: valzargaming

src/Discord/Voice/Client.php

@@ -288,7 +288,7 @@ class Client extends EventEmitter
      *
      * @param Discord       $discord        The Discord instance.
      * @param Channel       $channel
-     * @param string[]      $voice_sessions
+     * @param string[]      &$voice_sessions
      * @param array         $data
      * @param bool          $deaf           Default: false
      * @param bool          $mute           Default: false

src/Discord/Voice/Client/WS.php

@@ -558,7 +558,7 @@ public function handleClose(int $op, string $reason): void
         }
 
         $this->socket->close();
-        unset($this->discord->voice_sessions[$this->vc->channel->guild_id]);
+        $this->discord->voice_sessions[$this->vc->channel->guild_id] = null;
 
         // Don't reconnect on a critical opcode or if closed by user.
         if (in_array($op, Op::getCriticalVoiceCloseCodes()) || $this?->vc->userClose) {