/**
* @param string $htmlString
*
* @return string
*/
protected function convertImagesToBase64($htmlString)
{
if (!$htmlString) {
return $htmlString;
}
return $this->base64Converter->convertImageSrcTo64Base($htmlString);
}
/**
* @param array $options
* @param string $contentIndex
*
* @return array
*/
protected function convertImagesToBase64(array $options, $contentIndex)
{
if (array_key_exists($contentIndex, $options)) {
$options[$contentIndex] = $this->base64Converter->convertImageSrcTo64Base($options[$contentIndex]);
}
return $options;
}