/**
  * @uses ezjscPackerTemplateFunctions::setPersistentArray()
  *
  * @deprecated
  * @param string $key Key to store values on
  * @param string|array $value Value(s) to store
  * @param object $tpl Template object to get values from
  * @param bool $append Append or set value?
  * @return array
  */
 static public function setPersistentVariable( $key, $value, $tpl, $append = false )
 {
     if ( $append )
         return ezjscPackerTemplateFunctions::setPersistentArray( $key, $value, $tpl, $append );
     else// if not, then override value
         return ezjscPackerTemplateFunctions::setPersistentArray( $key, $value, $tpl, $append, false, false, true );
 }