Add opcodepreload.php file

htdocs/opcachepreload.php

@@ -0,0 +1,32 @@
+<?php
+/* Copyright (C) 2019  Laurent Destailleur     <eldy@users.sourceforge.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+/**
+ *	\file       htdocs/opcachepreload.php
+ *	\ingroup	core
+ *	\brief      File that preload PHP files. Used for performance purposes if PHP >= 7.4
+ */
+
+// Preload some PHP files.
+// WARNING: They won't be reloaded until you restart the Web/PHP server, event if you modify the files.
+
+$files = array(); 	/* An array of files you want to preload */
+
+foreach ($files as $file) {
+	opcache_compile_file($file);
+}