Initial commit

backend/app/Core/Env.php

@@ -0,0 +1,86 @@
+<?php
+
+namespace App\Core;
+
+/**
+ * Lightweight secure environment variable loader
+ */
+class Env
+{
+    /**
+     * Load environment variables from a file path
+     *
+     * @param string $path
+     * @throws \Exception
+     */
+    public static function load(string $path): void
+    {
+        if (!file_exists($path)) {
+            // Create a default if it doesn't exist to prevent crash, or throw
+            if (file_exists($path . '.example')) {
+                copy($path . '.example', $path);
+            } else {
+                throw new \Exception("Environment file not found at: {$path}");
+            }
+        }
+
+        $lines = file($path, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
+        foreach ($lines as $line) {
+            $line = trim($line);
+
+            // Skip comments and empty lines
+            if (empty($line) || strpos($line, '#') === 0) {
+                continue;
+            }
+
+            // Split by the first equals sign
+            if (strpos($line, '=') !== false) {
+                list($key, $value) = explode('=', $line, 2);
+                $key = trim($key);
+                $value = trim($value);
+
+                // Strip surrounding quotes
+                if (preg_match('/^"(.+)"$/', $value, $matches) || preg_match("/^'(.+)'$/", $value, $matches)) {
+                    $value = $matches[1];
+                }
+
+                // Inject into PHP superglobals and env
+                putenv("{$key}={$value}");
+                $_ENV[$key] = $value;
+                $_SERVER[$key] = $value;
+            }
+        }
+    }
+
+    /**
+     * Retrieve environment variable with optional default value
+     *
+     * @param string $key
+     * @param mixed $default
+     * @return mixed
+     */
+    public static function get(string $key, $default = null)
+    {
+        $val = getenv($key);
+        if ($val === false) {
+            return $default;
+        }
+
+        switch (strtolower($val)) {
+            case 'true':
+            case '(true)':
+                return true;
+            case 'false':
+            case '(false)':
+                return false;
+            case 'null':
+            case '(null)':
+                return null;
+            case 'empty':
+            case '(empty)':
+                return '';
+        }
+
+        return $val;
+    }
+}