/**
  * Return the current object instance (Singleton)
  * @return object
  */
 public static function getInstance()
 {
     if (!is_object(self::$objInstance)) {
         self::$objInstance = new InsertTags();
     }
     return self::$objInstance;
 }
 /**
  * Replace insert tags with their values
  *
  * @param string  $strBuffer The text with the tags to be replaced
  * @param boolean $blnCache  If false, non-cacheable tags will be replaced
  *
  * @return string The text with the replaced tags
  */
 public static function replaceInsertTags($strBuffer, $blnCache = true)
 {
     $objIt = new InsertTags();
     return $objIt->replace($strBuffer, $blnCache);
 }