diff --git a/system/helpers/smiley_helper.php b/system/helpers/smiley_helper.php
index 03f3ee2..d2b8936 100644
--- a/system/helpers/smiley_helper.php
+++ b/system/helpers/smiley_helper.php
@@ -9,7 +9,7 @@
  * 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
+ * bundled with this package in the files license.txt / license.rst. It is
  * also available through the world wide web at this URL:
  * http://opensource.org/licenses/OSL-3.0
  * If you did not receive a copy of the license and are unable to obtain it
@@ -40,7 +40,7 @@
 /**
  * Smiley Javascript
  *
- * Returns the javascript required for the smiley insertion.  Optionally takes
+ * Returns the javascript required for the smiley insertion. Optionally takes
  * an array of aliases to loosely couple the smiley array to the view.
  *
  * @access	public
@@ -105,14 +105,11 @@
 			}
 EOF;
 		}
-		else
+		elseif (is_array($alias))
 		{
-			if (is_array($alias))
+			foreach ($alias as $name => $id)
 			{
-				foreach ($alias as $name => $id)
-				{
-					$r .= 'smiley_map["'.$name.'"] = "'.$id.'";'."\n";
-				}
+				$r .= 'smiley_map["'.$name.'"] = "'.$id."\";\n";
 			}
 		}
 
@@ -137,13 +134,11 @@
 	function get_clickable_smileys($image_url, $alias = '', $smileys = NULL)
 	{
 		// For backward compatibility with js_insert_smiley
-
 		if (is_array($alias))
 		{
 			$smileys = $alias;
 		}
-
-		if ( ! is_array($smileys) && FALSE === ($smileys = _get_smiley_array()))
+		elseif (FALSE === ($smileys = _get_smiley_array()))
 		{
 			return $smileys;
 		}
@@ -155,7 +150,7 @@
 		foreach ($smileys as $key => $val)
 		{
 			// Keep duplicates from being used, which can happen if the
-			// mapping array contains multiple identical replacements.  For example:
+			// mapping array contains multiple identical replacements. For example:
 			// :-) and :) might be replaced with the same image so both smileys
 			// will be in the array.
 			if (isset($used[$smileys[$key][0]]))
@@ -163,7 +158,7 @@
 				continue;
 			}
 
-			$link[] = "<a href=\"javascript:void(0);\" onclick=\"insert_smiley('".$key."', '".$alias."')\"><img src=\"".$image_url.$smileys[$key][0]."\" width=\"".$smileys[$key][1]."\" height=\"".$smileys[$key][2]."\" alt=\"".$smileys[$key][3]."\" style=\"border:0;\" /></a>";
+			$link[] = '<a href="javascript:void(0);" onclick="insert_smiley(\''.$key.'\', \''.$alias.'\')"><img src="'.$image_url.$smileys[$key][0].'" alt="'.$smileys[$key][3].'" style="width: '.$smileys[$key][1].'; height: '.$smileys[$key][2].'; border: 0;" /></a>';
 			$used[$smileys[$key][0]] = TRUE;
 		}
 
@@ -187,12 +182,7 @@
 {
 	function parse_smileys($str = '', $image_url = '', $smileys = NULL)
 	{
-		if ($image_url == '')
-		{
-			return $str;
-		}
-
-		if ( ! is_array($smileys) && FALSE === ($smileys = _get_smiley_array()))
+		if ($image_url == '' OR ( ! is_array($smileys) && FALSE === ($smileys = _get_smiley_array())))
 		{
 			return $str;
 		}
@@ -202,7 +192,7 @@
 
 		foreach ($smileys as $key => $val)
 		{
-			$str = str_replace($key, "<img src=\"".$image_url.$smileys[$key][0]."\" width=\"".$smileys[$key][1]."\" height=\"".$smileys[$key][2]."\" alt=\"".$smileys[$key][3]."\" style=\"border:0;\" />", $str);
+			$str = str_replace($key, '<img src="'.$image_url.$smileys[$key][0].'" alt="'.$smileys[$key][3].'" style="width: '.$smileys[$key][1].'; height: '.$smileys[$key][2].'; border: 0;" />', $str);
 		}
 
 		return $str;
@@ -223,7 +213,7 @@
 {
 	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');
 		}
@@ -232,12 +222,7 @@
 			include(APPPATH.'config/smileys.php');
 		}
 
-		if (isset($smileys) AND is_array($smileys))
-		{
-			return $smileys;
-		}
-
-		return FALSE;
+		return (isset($smileys) && is_array($smileys)) ? $smileys : FALSE;
 	}
 }
 
diff --git a/system/helpers/string_helper.php b/system/helpers/string_helper.php
index fcdb0aa..d094880 100644
--- a/system/helpers/string_helper.php
+++ b/system/helpers/string_helper.php
@@ -9,7 +9,7 @@
  * 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
+ * bundled with this package in the files license.txt / license.rst. It is
  * also available through the world wide web at this URL:
  * http://opensource.org/licenses/OSL-3.0
  * If you did not receive a copy of the license and are unable to obtain it
@@ -75,18 +75,16 @@
 {
 	function strip_slashes($str)
 	{
-		if (is_array($str))
-		{
-			foreach ($str as $key => $val)
-			{
-				$str[$key] = strip_slashes($val);
-			}
-		}
-		else
+		if ( ! is_array($str))
 		{
 			return stripslashes($str);
 		}
 
+		foreach ($str as $key => $val)
+		{
+			$str[$key] = strip_slashes($val);
+		}
+
 		return $str;
 	}
 }
@@ -192,7 +190,7 @@
  *
  * @access	public
  * @param	string	type of random string.  basic, alpha, alunum, numeric, nozero, unique, md5, encrypt and sha1
- * @param	integer	number of characters
+ * @param	int	number of characters
  * @return	string
  */
 if ( ! function_exists('random_string'))
@@ -238,10 +236,10 @@
 /**
  * Add's _1 to a string or increment the ending number to allow _2, _3, etc
  *
- * @param   string  $str  required
- * @param   string  $separator  What should the duplicate number be appended with
- * @param   string  $first  Which number should be used for the first dupe increment
- * @return  string
+ * @param	string	$str  required
+ * @param	string	$separator  What should the duplicate number be appended with
+ * @param	string	$first  Which number should be used for the first dupe increment
+ * @return	string
  */
 function increment_string($str, $separator = '_', $first = 1)
 {
@@ -254,10 +252,10 @@
 /**
  * Alternator
  *
- * Allows strings to be alternated.  See docs...
+ * Allows strings to be alternated. See docs...
  *
  * @access	public
- * @param	string (as many parameters as needed)
+ * @param	string	(as many parameters as needed)
  * @return	string
  */
 if ( ! function_exists('alternator'))
@@ -283,14 +281,14 @@
  *
  * @access	public
  * @param	string
- * @param	integer	number of repeats
+ * @param	int	number of repeats
  * @return	string
  */
 if ( ! function_exists('repeater'))
 {
 	function repeater($data, $num = 1)
 	{
-		return (($num > 0) ? str_repeat($data, $num) : '');
+		return ($num > 0) ? str_repeat($data, $num) : '';
 	}
 }
 
diff --git a/system/helpers/text_helper.php b/system/helpers/text_helper.php
index 8e308b7..2d6da73 100644
--- a/system/helpers/text_helper.php
+++ b/system/helpers/text_helper.php
@@ -9,7 +9,7 @@
  * 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
+ * bundled with this package in the files license.txt / license.rst. It is
  * also available through the world wide web at this URL:
  * http://opensource.org/licenses/OSL-3.0
  * If you did not receive a copy of the license and are unable to obtain it
@@ -73,7 +73,7 @@
 /**
  * Character Limiter
  *
- * Limits the string based on the character count.  Preserves complete words
+ * Limits the string based on the character count. Preserves complete words
  * so the character count may not be exactly as specified.
  *
  * @access	public
@@ -376,7 +376,7 @@
 
 		if ( ! isset($foreign_characters) OR ! is_array($foreign_characters))
 		{
-			if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/foreign_chars.php'))
+			if (defined('ENVIRONMENT') && is_file(APPPATH.'config/'.ENVIRONMENT.'/foreign_chars.php'))
 			{
 				include(APPPATH.'config/'.ENVIRONMENT.'/foreign_chars.php');
 			}
@@ -400,7 +400,7 @@
 /**
  * Word Wrap
  *
- * Wraps text at the specified character.  Maintains the integrity of words.
+ * Wraps text at the specified character. Maintains the integrity of words.
  * Anything placed between {unwrap}{/unwrap} will not be word wrapped, nor
  * will URLs.
  *