Added some comments and whitespaces, yes, I added whitespace characters in a few places.

config/hosts.php

@@ -1,4 +1,10 @@
 <?php
+/*
+
+   Hosts
+    - configure host specific environment settings
+
+*/
 
 # host configuration
 # - set environment, display mode, and root path for

config/routes.php

@@ -1,5 +1,10 @@
 <?php
+/*
 
+   Routes
+    - configure url parsing routes
+
+*/
 
 
 ?>

vendor/zynapse/action_environment.php

@@ -39,7 +39,7 @@ class ActionEnvironment {
 		$env,
 		$mode,
 		$root,
-	
+		
 		# paths
 		$apps_path,
 		$lib_path,
@@ -53,6 +53,7 @@ class ActionEnvironment {
 		$is_windows,
 		$path_separator;
 	
+	
 	function __construct () {
 		$this->set_include_paths();
 		$this->load_environment_file();
@@ -117,10 +118,10 @@ class ActionEnvironment {
 		if ( is_array($list) && !empty($list) ) {
 			$new_config = array();
 			foreach( $list as $host => $settings ) {
-				$regex = preg_quote($host, '/');
-				$regex = str_replace('\*', '.*', $regex);
-				$http_host = (substr($_SERVER['HTTP_HOST'], 0, 4) == 'www.') ? substr($_SERVER['HTTP_HOST'], 4) : $_SERVER['HTTP_HOST'] ;
-				if ( preg_match('/^'.$regex.'$/i', $http_host) ) {
+				$regex = preg_quote($host, "/");
+				$regex = str_replace("\*", ".*", $regex);
+				$http_host = (substr($_SERVER["HTTP_HOST"], 0, 4) == "www.") ? substr($_SERVER["HTTP_HOST"], 4) : $_SERVER["HTTP_HOST"] ;
+				if ( preg_match("/^".$regex."$/i", $http_host) ) {
 					foreach( $settings as $key => $value ) {
 						if ( !array_key_exists($key, $new_config) ) {
 							$new_config[$key] = $value;
@@ -132,7 +133,6 @@ class ActionEnvironment {
 		return (!empty($new_config)) ? $new_config : false ;
 	}
 	
-	
 }
 
 ?>

vendor/zynapse/zynapse.php

@@ -40,8 +40,8 @@ class Zynapse {
 		$locale, // ActionLocale
 		$log;    // ActionLog
 	
+	
 	function init () {
-
 		require_once(ZNAP_LIB_ROOT . "/action_environment.php");
 		require_once(ZNAP_LIB_ROOT . "/action_base.php");
 		require_once(ZNAP_LIB_ROOT . "/active_session.php");