function TestAttributeFilter::process

Overrides FilterInterface::process

File

core/modules/ckeditor/tests/modules/src/Plugin/Filter/TestAttributeFilter.php, line 27

Class

TestAttributeFilter

A filter that adds a test attribute to any configured HTML tags.

Namespace

Code

public function process($text, $langcode) {
    $document = Html::load($text);
    foreach ($this->settings['tags'] as $tag) {
        $tag_elements = $document->getElementsByTagName($tag);
        foreach ($tag_elements as $tag_element) {
            $tag_element->setAttribute('test_attribute', 'test attribute value');
        }
    }
    return new FilterProcessResult(Html::serialize($document));
}