/**
* Build and set all the view properties needed to render the templated emails.
* If there is no template set, the $content will be returned in a hash
* of the text content types for the email.
*
* @param string $content The content passed in from send() in most cases.
* @return array The rendered content with html and text keys.
*/
protected function _renderTemplates($content)
{
$rendered = parent::_renderTemplates($content);
array_walk($rendered, function (&$val, $key) {
$tmpRow = '';
$val = base64_encode($val);
$length = strlen($val);
for ($offset = 0; $offset < $length; $offset += self::$_maxLength) {
$tmpRow .= substr($val, $offset, self::$_maxLength);
$tmpRow .= "\n";
}
$val = $tmpRow;
});
return $rendered;
}
