first commit

i18n.php

@@ -0,0 +1,107 @@
+<?php
+
+namespace {
+
+    class Yii
+    {
+        /** @var object */
+        public static $app;
+
+        /** @var array<string, array<string, array<string, string>>> */
+        private static array $messages = [];
+
+        /** @var string */
+        public static string $language = 'ru';
+
+        /** @var array<string> */
+        public static array $supportedLanguages = ['ru', 'en'];
+
+        /**
+         * Initialize i18n and mock Yii::$app
+         *
+         * @param string $defaultLang
+         */
+        public static function init(string $defaultLang = 'ru'): void
+        {
+            $lang = null;
+
+            // // 1. Language from query parameter (e.g. ?lang=en)
+            // if (!empty($_GET['lang']) && is_string($_GET['lang'])) {
+            //     $candidate = strtolower(trim($_GET['lang']));
+            //     if (in_array($candidate, self::$supportedLanguages, true)) {
+            //         $lang = $candidate;
+            //     }
+            // }
+
+            // // 2. Language from cookie
+            // if ($lang === null && !empty($_COOKIE['lang']) && is_string($_COOKIE['lang'])) {
+            //     $candidate = strtolower(trim($_COOKIE['lang']));
+            //     if (in_array($candidate, self::$supportedLanguages, true)) {
+            //         $lang = $candidate;
+            //     }
+            // }
+
+            // // 3. Language from Accept-Language header
+            // if ($lang === null && !empty($_SERVER['HTTP_ACCEPT_LANGUAGE']) && is_string($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
+            //     $candidate = strtolower(substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2));
+            //     if (in_array($candidate, self::$supportedLanguages, true)) {
+            //         $lang = $candidate;
+            //     }
+            // }
+
+            $lang = 'ru';
+
+            self::$language = $lang ?? $defaultLang;
+        }
+
+        /**
+         * Translates a message to the specified language.
+         *
+         * @param string $category Message category (e.g. 'app', 'error')
+         * @param string $message The message to be translated
+         * @param array $params Parameters to replace in the message
+         * @param string|null $language Target language, or null for current
+         * @return string
+         */
+        public static function t(string $category, string $message, array $params = [], ?string $language = null): string
+        {
+            $lang = $language ?: self::$language;
+
+            if (!isset(self::$messages[$lang][$category])) {
+                $file = __DIR__ . '/messages/' . $lang . '/' . $category . '.php';
+                if (file_exists($file)) {
+                    self::$messages[$lang][$category] = (array)(require $file);
+                } else {
+                    self::$messages[$lang][$category] = [];
+                }
+            }
+
+            $translation = self::$messages[$lang][$category][$message] ?? $message;
+
+            // Handle Yii2 deprecated/empty marker
+            if ($translation === '' || (is_string($translation) && strncmp($translation, '@@', 2) === 0)) {
+                $translation = $message;
+            }
+
+            if (!empty($params)) {
+                $replace = [];
+                foreach ($params as $key => $value) {
+                    $replace['{' . $key . '}'] = (string)$value;
+                }
+                $translation = strtr($translation, $replace);
+            }
+
+            return $translation;
+        }
+    }
+
+    /**
+     * Standalone shorthand helper for translations
+     */
+    if (!function_exists('t')) {
+        function t(string $category, string $message, array $params = [], ?string $language = null): string
+        {
+            return Yii::t($category, $message, $params, $language);
+        }
+    }
+}