function AssertContentTrait::parse

Parse content returned from curlExec using DOM and SimpleXML.

Return value

\SimpleXMLElement|false A SimpleXMLElement or FALSE on failure.

File

core/tests/Drupal/KernelTests/AssertContentTrait.php, line 125

Class

AssertContentTrait

Provides test methods to assert content.

Namespace

Code

protected function parse() : ?\SimpleXMLElement {
  if (!isset($this->elements)) {
    $content = $this->getRawContent();
    $dom = Html::load($content);
    if ($dom) {
      // It's much easier to work with simplexml than DOM, luckily enough
      // we can just simply import our DOM tree.
      $this->elements = @simplexml_import_dom($dom);
    }
  }
  $this->assertNotFalse($this->elements, 'The current HTML page should be available for DOM navigation.');
  return $this->elements;
}