/**
* Substitute placeholders {{placeholder_name}} with their values in XML string
*
* @param string $xmlString
* @return string
*/
protected function _substitutePlaceholders($xmlString)
{
if ($this->subst === null) {
$placeholders = ['baseUrl' => $this->scope->getBaseUrl(), 'baseSecureUrl' => $this->scope->getBaseUrl(\Magento\Framework\UrlInterface::URL_TYPE_LINK, true)];
$this->subst = [];
foreach ($placeholders as $key => $value) {
$this->subst['from'][] = '{{' . $key . '}}';
$this->subst['to'][] = $value;
}
}
return str_replace($this->subst['from'], $this->subst['to'], $xmlString);
}
