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lib/pkp/classes/core/ExportableTrait.php

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+<?php
+
+/**
+ * @file classes/core/ExportableTrait.php
+ *
+ * Copyright (c) 2014-2021 Simon Fraser University
+ * Copyright (c) 2000-2021 John Willinsky
+ * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
+ *
+ * @class ExportableTrait
+ *
+ * @ingroup db
+ *
+ * @brief Implements the __set_state magic method, for classes that have a parameterless constructor, in order to recover classes exported with "var_export"
+ */
+
+namespace PKP\core;
+
+trait ExportableTrait
+{
+    /**
+     * Generic __set_state implementation
+     */
+    public static function __set_state(array $data)
+    {
+        $object = new static();
+        foreach ($data as $key => $value) {
+            $object->$key = $value;
+        }
+        return $object;
+    }
+}