HTMLPurifier删除target =“ _ blank”

$config->set(\'HTML.Doctype\', \'XHTML 1.0 Transitional\');

[
    \'label\' => \'Document PDF\',
    \'format\'=> \'raw\',
    \'value\' => HtmlPurifier::process(DocumentFunctions::viewDocumentPdfInView($model->document_id), [
    \'Attr.AllowedFrameTargets\' => [\'_blank\'],
    ]),
],

[
    \'label\' => \'Document PDF\',
    \'format\'=> [\'html\', \'config\' => [\'Attr.AllowedFrameTargets\' => [\'_blank\']]],
    \'value\' => DocumentFunctions::viewDocumentPdfInView($model->document_id),
]