Primer Commit

env_loader.php

@@ -0,0 +1,57 @@
+<?php
+class Env
+{
+    private static $variables = [];
+    private static $loaded = false;
+
+    public static function load($filePath)
+    {
+        if (self::$loaded) return;
+
+        if (!file_exists($filePath)) {
+            throw new Exception("Archivo .env no encontrado en: $filePath");
+        }
+
+        $lines = file($filePath, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
+        foreach ($lines as $line) {
+            $line = trim($line);
+            if (empty($line) || $line[0] === '#') continue;
+
+            list($name, $value) = array_pad(explode('=', $line, 2), 2, '');
+            self::$variables[trim($name)] = trim(str_replace(['[', ']'], '', $value));
+        }
+
+        self::$loaded = true;
+    }
+
+    public static function get($key, $default = null)
+    {
+        return self::$variables[$key] ?? $default;
+    }
+
+    public static function isProduction()
+    {
+        return self::get('APP_MODE') == 1; // Corregido: 1 = PRD
+    }
+
+    public static function getByEnvironment($baseKey)
+    {
+        $key = self::isProduction() ? $baseKey : 'DEV_' . $baseKey;
+        return self::get($key);
+    }
+
+    public static function required($key)
+    {
+        $value = self::get($key);
+        if ($value === null) {
+            throw new Exception("Variable de entorno requerida faltante: $key");
+        }
+        return $value;
+    }
+}
+
+if (!function_exists('env')) {
+    function env($key, $default = null) {
+        return Env::get($key, $default);
+    }
+}