Initial commit

application/Espo/Core/Utils/Preload.php

@@ -0,0 +1,114 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Utils;
+
+use RecursiveDirectoryIterator;
+use RecursiveIteratorIterator;
+use RegexIterator;
+use RecursiveRegexIterator;
+
+/**
+ * Scans all PHP files and loads them. Used for a preloading.
+ *
+ * @see https://www.php.net/manual/en/opcache.preloading.php
+ */
+class Preload
+{
+    /**
+     * @var string[]
+     */
+    protected $dirList = [
+        'application',
+        'vendor/slim',
+        'vendor/nikic/fast-route',
+    ];
+
+    private int $counter = 0;
+
+    /**
+     * @var string[]
+     */
+    protected $ignoreList = [
+        'application/Espo/Core/Mail/Parsers/PhpMimeMailParser/',
+        'vendor/nikic/fast-route/test/',
+        'vendor/slim/psr7/tests/',
+    ];
+
+    public function process(): void
+    {
+        foreach ($this->dirList as $dir) {
+            $this->processForDir($dir);
+        }
+    }
+
+    public function getCount(): int
+    {
+        return $this->counter;
+    }
+
+    private function processForDir(string $dir): void
+    {
+        $directory = new RecursiveDirectoryIterator($dir);
+        $fullTree = new RecursiveIteratorIterator($directory);
+        $phpFiles = new RegexIterator($fullTree, '/.+((?<!Test)+\.php$)/i', RecursiveRegexIterator::GET_MATCH);
+
+        foreach ($phpFiles as $key => $file) {
+            $this->processFile($file[0]);
+        }
+    }
+
+    private function processFile(string $file): void
+    {
+        if ($this->isFileToBeIgnored($file)) {
+            return;
+        }
+
+        require_once($file);
+
+        $this->counter++;
+    }
+
+    private function isFileToBeIgnored(string $file): bool
+    {
+        $file = str_replace('\\', '/', $file);
+
+        foreach ($this->ignoreList as $item) {
+            if (str_starts_with($file, $item)) {
+                return true;
+            }
+        }
+
+        if (str_contains($file, 'vendor/composer/ClassLoader.php')) {
+            return true;
+        }
+
+        return false;
+    }
+}