Changes done as per feedback

Author: pathumhdes

lib/i18n/sfDateFormat.class.php

@@ -229,7 +229,7 @@ public function format($time, $pattern = 'F', $inputPattern = null, $charset = '
     for ($i = 0, $max = count($tokens); $i < $max; $i++)
     {
       $pattern = $tokens[$i];
-      if ($pattern[0] == "'" && $pattern[(strlen($pattern) - 1)] == "'")
+      if ($pattern[0] == "'" && $pattern[strlen($pattern) - 1] == "'")
       {
         $tokens[$i] = str_replace('``````', '\'', preg_replace('/(^\')|(\'$)/', '', $pattern));
       }

lib/i18n/sfNumberFormat.class.php

@@ -193,7 +193,7 @@ protected function formatInteger($string)
       // now for the integer groupings
       for ($i = 0; $i < $len; $i++)
       {
-        $char = $string[($len - $i - 1)];
+        $char = $string[$len - $i - 1];
 
         if ($multiGroup && $count == 0)
         {