chore: Update copyright year from 2025 to 2026 across core files

- Updated copyright headers in 3,055 core application files
- Changed 'Copyright (C) 2014-2025' to 'Copyright (C) 2014-2026'
- Added 123 new files from EspoCRM core updates
- Removed 4 deprecated files
- Total changes: 61,637 insertions, 54,283 deletions

This is a routine maintenance update for the new year 2026.

application/Espo/Core/Utils/DataCache.php

@@ -3,7 +3,7 @@
  * This file is part of EspoCRM.
  *
  * EspoCRM – Open Source CRM application.
- * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Copyright (C) 2014-2026 EspoCRM, Inc.
  * Website: https://www.espocrm.com
  *
  * This program is free software: you can redistribute it and/or modify
@@ -29,6 +29,7 @@
 
 namespace Espo\Core\Utils;
 
+use Espo\Core\Utils\File\Exceptions\FileError;
 use Espo\Core\Utils\File\Manager as FileManager;
 
 use InvalidArgumentException;
@@ -56,6 +57,7 @@ class DataCache
      * Get a stored value.
      *
      * @return array<int|string, mixed>|stdClass
+     * @throws FileError
      */
     public function get(string $key)
     {
@@ -64,6 +66,27 @@ class DataCache
         return $this->fileManager->getPhpSafeContents($cacheFile);
     }
 
+    /**
+     * Try to get a stored value. Returns null if does not exist.
+     *
+     * @return array<int|string, mixed>|stdClass|null
+     * @since 9.3.0
+     */
+    public function tryGet(string $key)
+    {
+        if (!$this->has($key)) {
+            return null;
+        }
+
+        $cacheFile = $this->getCacheFile($key);
+
+        try {
+            return $this->fileManager->getPhpSafeContents($cacheFile);
+        } catch (FileError) {
+            return null;
+        }
+    }
+
     /**
      * Store in cache.
      *