--- /dev/null
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\DependencyInjection\Exception;
+
+/**
+ * This exception is thrown when an environment variable is not found.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class EnvNotFoundException extends InvalidArgumentException
+{
+ public function __construct($name)
+ {
+ parent::__construct(sprintf('Environment variable not found: "%s".', $name));
+ }
+}