Вместо 0 "Звоните" - SimpleCaddy

if ($pluginParams->get('showunitprice')||$pluginParams->get('showunitpricetext') ){
        $prodpresentation.="\n<div class='scunit$classsuffix'>";
            $prodpresentation.="\n<span class='scunitpricetext$classsuffix'>#UNITPRICETEXT# $this->separator</span>";
            $prodpresentation.="\n<span class='scunitprice$classsuffix'>#UNITPRICE# $this->separator</span>";
        $prodpresentation.="\n</div>";
        }

if ('#UNITPRICE#' !=0)