✨ Story 5.4: reCAPTCHA v3

includes/config.php

@@ -0,0 +1,46 @@
+<?php
+function loadEnv(string $path): void
+{
+    if (!file_exists($path)) {
+        return;
+    }
+
+    $lines = file($path, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
+    if ($lines === false) {
+        return;
+    }
+
+    foreach ($lines as $line) {
+        $line = trim($line);
+        if ($line === '' || str_starts_with($line, '#')) {
+            continue;
+        }
+
+        [$key, $value] = array_pad(explode('=', $line, 2), 2, null);
+        if ($key === null || $value === null) {
+            continue;
+        }
+
+        $key = trim($key);
+        $value = trim($value);
+        $value = trim($value, "\"'");
+
+        $_ENV[$key] = $value;
+        $_SERVER[$key] = $value;
+        putenv("{$key}={$value}");
+    }
+}
+
+function env(string $key, ?string $default = null): ?string
+{
+    $value = $_ENV[$key] ?? $_SERVER[$key] ?? getenv($key);
+    if ($value === false || $value === null || $value === '') {
+        return $default;
+    }
+    return $value;
+}
+
+loadEnv(__DIR__ . '/../.env');
+
+define('RECAPTCHA_SITE_KEY', env('RECAPTCHA_SITE_KEY', ''));
+define('RECAPTCHA_SECRET_KEY', env('RECAPTCHA_SECRET_KEY', ''));