updated PushHttpProxy for dynamic properties in PHP 8.2 and later

custom/PushHttpProxy.php

@@ -25,6 +25,7 @@
 namespace ZK\PushNotification;
 
 use ZK\Controllers\NowAiringServer;
+use ZK\Engine\DynamicPropertyTrait;
 
 use Ratchet\RFC6455\Messaging\Frame;
 
@@ -73,6 +74,12 @@ class PushHttpProxy {
     protected $httpEndpoints;
     protected $current;
 
+    /**
+     * Support dynamic properties specifically for use by the 'filter'
+     * function (see above).
+     */
+    use DynamicPropertyTrait;
+
     public function __construct(\React\EventLoop\LoopInterface $loop) {
         $this->loop = $loop;
         $this->subscriber = new \Ratchet\Client\Connector($loop);

engine/DynamicPropertyTrait.php

@@ -0,0 +1,58 @@
+<?php
+/**
+ * Zookeeper Online
+ *
+ * @author Jim Mason <[email protected]>
+ * @copyright Copyright (C) 1997-2023 Jim Mason <[email protected]>
+ * @link https://zookeeper.ibinx.com/
+ * @license GPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License,
+ * version 3, along with this program.  If not, see
+ * http://www.gnu.org/licenses/
+ *
+ */
+
+namespace ZK\Engine;
+
+/**
+ * DynamicPropertyTrait implements dynamic properties for a class.
+ *
+ * Automatic dynamic properties are deprecated as of PHP 8.2;
+ * see: https://www.php.net/manual/en/migration82.deprecated.php
+ *
+ * This trait adds support for dynamic properties to any class,
+ * for any version of PHP.
+ */
+trait DynamicPropertyTrait {
+    protected $propertyMap = [];
+
+    public function __isset($var) {
+        return key_exists($var, $this->propertyMap);
+    }
+
+    public function __get($var) {
+        if(key_exists($var, $this->propertyMap))
+            return $this->propertyMap[$var];
+
+        $shortName = (new \ReflectionClass($this))->getShortName();
+        trigger_error("Undefined property $shortName::$var", E_USER_WARNING);
+    }
+
+    public function __set($var, $val) {
+        $this->propertyMap[$var] = $val;
+    }
+
+    public function __unset($var) {
+        unset($this->propertyMap[$var]);
+    }
+}