allow vendord

vendor/kreait/firebase-php/src/Firebase/Util.php

@@ -0,0 +1,75 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Kreait\Firebase;
+
+use function getenv;
+use function in_array;
+use function putenv;
+
+/**
+ * @internal
+ */
+final class Util
+{
+    /**
+     * @param non-empty-string $name
+     *
+     * @return non-empty-string|null
+     */
+    public static function getenv(string $name): ?string
+    {
+        $value = trim((string) ($_SERVER[$name] ?? $_ENV[$name] ?? getenv($name)));
+
+        return $value !== '' ? $value : null;
+    }
+
+    /**
+     * @param non-empty-string $name
+     * @param non-empty-string $value
+     */
+    public static function putenv(string $name, string $value): void
+    {
+        $_ENV[$name] = $value;
+        $_SERVER[$name] = $value;
+        putenv("{$name}={$value}");
+    }
+
+    /**
+     * @param non-empty-string $name
+     */
+    public static function rmenv(string $name): void
+    {
+        unset($_ENV[$name], $_SERVER[$name]);
+        putenv($name);
+    }
+
+    /**
+     * @return non-empty-string|null
+     */
+    public static function authEmulatorHost(): ?string
+    {
+        $emulatorHost = self::getenv('FIREBASE_AUTH_EMULATOR_HOST');
+
+        if (!in_array($emulatorHost, [null, ''], true)) {
+            return $emulatorHost;
+        }
+
+        return null;
+    }
+
+    /**
+     * @return non-empty-string|null
+     */
+    public static function rtdbEmulatorHost(): ?string
+    {
+        $emulatorHost = self::getenv('FIREBASE_DATABASE_EMULATOR_HOST');
+
+        if (!in_array($emulatorHost, [null, ''], true)) {
+            return $emulatorHost;
+        }
+
+        return null;
+    }
+}