diff --git a/php/getenv.php b/php/getenv.php
index baec93d..fd20799 100644
--- a/php/getenv.php
+++ b/php/getenv.php
@@ -1,12 +1,23 @@
 <?php
 	$PROJECT_ROOT = dirname(__FILE__);
 	
-	while (!file_exists("$PROJECT_ROOT/.phpenv")) {
-		if ($PROJECT_ROOT == "/" || $PROJECT_ROOT == "") 
-			throw new RuntimeException("Could not find .phpenv file.");
-		$PROJECT_ROOT = dirname($PROJECT_ROOT);
-	}
-	
+	(function(){
+		global $PROJECT_ROOT;
+
+		$root_previous = "";
+
+		while (!file_exists("$PROJECT_ROOT/.phpenv")) {
+			if (
+				$PROJECT_ROOT == "/" ||
+				$PROJECT_ROOT == "" ||
+				$PROJECT_ROOT == $root_previous
+			) 
+				throw new RuntimeException("Could not find .phpenv file.");
+			$root_previous = $PROJECT_ROOT;
+			$PROJECT_ROOT = dirname($PROJECT_ROOT);
+		}
+	})();
+
 	require_once "$PROJECT_ROOT/.phpenv";
 	
 	// set_include_path(get_include_path() . PATH_SEPARATOR . $PROJECT_ROOT);