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wp-content/plugins/duplicator-pro/addons/prolegacy/ProLegacy.php

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+<?php
+
+/**
+ * ProLegacy addon - Unified legacy compatibility system
+ *
+ * Name: Duplicator PRO Legacy Support
+ * Version: 1.0.0
+ * Description: Provides backward compatibility for deprecated prefixes (hooks, options, temp files)
+ * Author: Duplicator
+ * Author URI: https://duplicator.com
+ * Requires PHP: 7.4
+ * Requires Duplicator min version: 4.5.24
+ *
+ * PHP version 7.4
+ *
+ * @category  Duplicator
+ * @package   Addons\ProLegacy
+ * @author    Duplicator <support@duplicator.com>
+ * @copyright 2011-2025 Snap Creek LLC
+ * @license   https://www.gnu.org/licenses/gpl-3.0.html GPLv3
+ * @link      https://duplicator.com/
+ */
+
+declare(strict_types=1);
+
+namespace Duplicator\Addons\ProLegacy;
+
+/**
+ * ProLegacy Addon Class
+ *
+ * Provides unified legacy compatibility system:
+ * - Hook forwarding: old → new hook names (40 public hooks)
+ * - Options & user meta migration during upgrade
+ * - Temporary files cleanup (dup_pro_* prefixes)
+ * - Upgrade coordination and logging
+ *
+ * @category Duplicator
+ * @package  Addons\ProLegacy
+ * @author   Duplicator <support@duplicator.com>
+ * @license  https://www.gnu.org/licenses/gpl-3.0.html GPLv3
+ * @link     https://duplicator.com/
+ */
+class ProLegacy extends \Duplicator\Core\Addons\AbstractAddonCore
+{
+    /**
+     * Initialize addon
+     *
+     * @return void
+     */
+    public function init(): void
+    {
+        VersionMigration::init();
+        BackupDirMigration::init();
+        LegacyUpgrade::init();
+        HookForwarding::init();
+        LegacyFiles::init();
+    }
+
+    /**
+     * Get addon directory path
+     *
+     * @return string
+     */
+    public static function getAddonPath(): string
+    {
+        return __DIR__;
+    }
+
+    /**
+     * Get addon main file path
+     *
+     * @return string
+     */
+    public static function getAddonFile(): string
+    {
+        return __FILE__;
+    }
+}