Clear some spaces and fix some inconsistencies in the Zip library and system/helpers/ files
diff --git a/system/helpers/smiley_helper.php b/system/helpers/smiley_helper.php
index cc903bc..790a152 100644
--- a/system/helpers/smiley_helper.php
+++ b/system/helpers/smiley_helper.php
@@ -1,13 +1,13 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
  * An open source application development framework for PHP 5.2.4 or newer
  *
  * NOTICE OF LICENSE
- * 
+ *
  * Licensed under the Open Software License version 3.0
- * 
+ *
  * This source file is subject to the Open Software License (OSL 3.0) that is
  * bundled with this package in the files license.txt / license.rst.  It is
  * also available through the world wide web at this URL:
@@ -241,7 +241,7 @@
 {
 	function _get_smiley_array()
 	{
-		if (defined('ENVIRONMENT') AND file_exists(APPPATH.'config/'.ENVIRONMENT.'/smileys.php'))
+		if (defined('ENVIRONMENT') && file_exists(APPPATH.'config/'.ENVIRONMENT.'/smileys.php'))
 		{
 			include(APPPATH.'config/'.ENVIRONMENT.'/smileys.php');
 		}
@@ -249,8 +249,8 @@
 		{
 			include(APPPATH.'config/smileys.php');
 		}
-		
-		if (isset($smileys) AND is_array($smileys))
+
+		if (isset($smileys) && is_array($smileys))
 		{
 			return $smileys;
 		}
@@ -288,6 +288,5 @@
 	}
 }
 
-
 /* End of file smiley_helper.php */
 /* Location: ./system/helpers/smiley_helper.php */
\ No newline at end of file