diff --git a/lib/php/src/TStringUtils.php b/lib/php/src/TStringUtils.php
index 69672e8..894baf8 100644
--- a/lib/php/src/TStringUtils.php
+++ b/lib/php/src/TStringUtils.php
@@ -1,28 +1,33 @@
 <?php
 
-interface TStringFunc {
+interface TStringFunc
+{
     public function substr($str, $start, $length = null);
     public function strlen($str);
 }
 
 class TStringFunc_Core
 implements TStringFunc {
-    public function substr($str, $start, $length = null) {
+    public function substr($str, $start, $length = null)
+    {
         // specifying a null $length would return an empty string
-        if($length === null) {
+        if ($length === null) {
             return substr($str, $start);
         }
+
         return substr($str, $start, $length);
     }
 
-    public function strlen($str) {
+    public function strlen($str)
+    {
         return strlen($str);
     }
 }
 
 class TStringFunc_Mbstring
 implements TStringFunc {
-    public function substr($str, $start, $length = null) {
+    public function substr($str, $start, $length = null)
+    {
         /**
          * We need to set the charset parameter, which is the second
          * optional parameter and the first optional parameter can't
@@ -30,19 +35,21 @@
          * cause an empty string to be returned, so we need to
          * actually calculate the proper length value.
          */
-        if($length === null) {
+        if ($length === null) {
             $length = $this->strlen($str) - $start;
         }
 
         return mb_substr($str, $start, $length, '8bit');
     }
 
-    public function strlen($str) {
+    public function strlen($str)
+    {
         return mb_strlen($str, '8bit');
     }
 }
 
-class TStringFuncFactory {
+class TStringFuncFactory
+{
     private static $_instance;
 
     /**
@@ -51,22 +58,24 @@
      *
      * @return TStringFunc
      */
-    public static function create() {
-        if(!self::$_instance) {
+    public static function create()
+    {
+        if (!self::$_instance) {
             self::_setInstance();
         }
 
         return self::$_instance;
     }
 
-    private static function _setInstance() {
+    private static function _setInstance()
+    {
         /**
          * Cannot use str* functions for byte counting because multibyte
          * characters will be read a single bytes.
          *
          * See: http://us.php.net/manual/en/mbstring.overload.php
          */
-        if(ini_get('mbstring.func_overload') & 2) {
+        if (ini_get('mbstring.func_overload') & 2) {
             self::$_instance = new TStringFunc_Mbstring();
         }
         /**