Added Project structure, API, Frontend and Websockets

api/vendor/symfony/http-kernel/CacheWarmer/CacheWarmer.php

@@ -0,0 +1,32 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\CacheWarmer;
+
+/**
+ * Abstract cache warmer that knows how to write a file to the cache.
+ *
+ * @author Fabien Potencier <[email protected]>
+ */
+abstract class CacheWarmer implements CacheWarmerInterface
+{
+    protected function writeCacheFile(string $file, $content): void
+    {
+        $tmpFile = @tempnam(\dirname($file), basename($file));
+        if (false !== @file_put_contents($tmpFile, $content) && @rename($tmpFile, $file)) {
+            @chmod($file, 0666 & ~umask());
+
+            return;
+        }
+
+        throw new \RuntimeException(\sprintf('Failed to write cache file "%s".', $file));
+    }
+}