Import alt-mysql plugin

exec/lib/Lang.php

@@ -0,0 +1,78 @@
+<?php
+declare(strict_types=1);
+
+final class Lang
+{
+    /** @var array<string,string> */
+    private array $map;
+
+    /**
+     * @param array<string,string> $map
+     */
+    private function __construct(array $map)
+    {
+        $this->map = $map;
+    }
+
+    public static function load(string $code): self
+    {
+        $code = strtolower(trim($code));
+        if ($code !== 'pl' && $code !== 'en') {
+            $code = 'en';
+        }
+
+        $path = PLUGIN_ROOT . '/lang/' . $code . '.php';
+        if (!is_file($path)) {
+            $path = PLUGIN_ROOT . '/lang/en.php';
+        }
+
+        $map = [];
+        if (is_file($path)) {
+            $data = require $path;
+            if (is_array($data)) {
+                $map = $data;
+            }
+        }
+
+        return new self($map);
+    }
+
+    /**
+     * @param array<string,string|int|float> $vars
+     */
+    public function t(string $key, array $vars = []): string
+    {
+        $text = $this->map[$key] ?? $key;
+        foreach ($vars as $var => $value) {
+            $text = str_replace('{' . $var . '}', (string)$value, $text);
+        }
+        return $text;
+    }
+
+    public function translateHtml(string $html): string
+    {
+        if ($html === '' || empty($this->map)) {
+            return $html;
+        }
+
+        $keys = array_keys($this->map);
+        usort($keys, static function (string $a, string $b): int {
+            return strlen($b) <=> strlen($a);
+        });
+
+        $values = [];
+        foreach ($keys as $key) {
+            $values[] = $this->map[$key];
+        }
+
+        return str_replace($keys, $values, $html);
+    }
+
+    /**
+     * @return string[]
+     */
+    public function keys(): array
+    {
+        return array_keys($this->map);
+    }
+}