Added get_dir_file_info(), get_file_info(), and get_mime_by_extension() to the File Helper.

Changed ( ! condition) into (! condition) within the code
diff --git a/system/helpers/smiley_helper.php b/system/helpers/smiley_helper.php
index 25962eb..81c6b91 100644
--- a/system/helpers/smiley_helper.php
+++ b/system/helpers/smiley_helper.php
@@ -67,7 +67,7 @@
 {

 	function get_clickable_smileys($image_url = '', $smileys = NULL)

 	{

-		if ( ! is_array($smileys))

+		if (! is_array($smileys))

 		{

 			if (FALSE === ($smileys = _get_smiley_array()))

 			{

@@ -120,7 +120,7 @@
 			return $str;

 		}

 

-		if ( ! is_array($smileys))

+		if (! is_array($smileys))

 		{

 			if (FALSE === ($smileys = _get_smiley_array()))

 			{

@@ -154,14 +154,14 @@
 {

 	function _get_smiley_array()

 	{

-		if ( ! file_exists(APPPATH.'config/smileys'.EXT))

+		if (! file_exists(APPPATH.'config/smileys'.EXT))

 		{

 			return FALSE;

 		}

 

 		include(APPPATH.'config/smileys'.EXT);

 	

-		if ( ! isset($smileys) OR ! is_array($smileys))

+		if (! isset($smileys) OR ! is_array($smileys))

 		{

 			return FALSE;

 		}