getPurifier()->purify($htmlBody);
// replace all newlines with "br" tag
$htmlBody = str_replace(["\r\n", "\r", "\n"], '
', $htmlBody);
// remove all whitespace/newlines from start and end of email body
$htmlBody = trim($htmlBody);
$htmlBody = preg_replace('/(?:\s*)+$/', '', $htmlBody);
$htmlBody = preg_replace('/^(?:\s*)+/', '', $htmlBody);
// replace 3 or more br tags with 2 to avoid excessive white space
return preg_replace('/(?:\s*){3,}/', '
', $htmlBody);
}
protected function getPurifier(): HTMLPurifier
{
$config = HTMLPurifier_Config::createDefault();
$config->set('Core.Encoding', 'UTF-8');
$config->set('HTML.Doctype', 'HTML 4.01 Transitional');
$config->set('Cache.SerializerPath', storage_path('app/purifier'));
$config->set(
'HTML.Allowed',
'b,strong,i,u,a[href],ul,ol,li,br,img[src|width|height],font[color]',
);
$config->set('HTML.TargetBlank', true);
$config->set('AutoFormat.Linkify', true);
$config->set('AutoFormat.RemoveEmpty', true);
$config->set('AutoFormat.RemoveEmpty.RemoveNbsp', true);
return new HTMLPurifier($config);
}