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 123

Class

AssertContentTrait

Provides test methods to assert content.

Namespace

Code

protected function parse() {
    if (!isset($this->elements)) {
        // DOM can load HTML soup. But, HTML soup can throw warnings, suppress
        // them.
        $html_dom = new \DOMDocument();
        @$html_dom->loadHTML('<?xml encoding="UTF-8">' . $this->getRawContent(), LIBXML_NOBLANKS);
        if ($html_dom) {
            // It's much easier to work with simplexml than DOM, luckily enough
            // we can just simply import our DOM tree.
            $this->elements = simplexml_import_dom($html_dom);
        }
    }
    $this->assertNotFalse($this->elements, 'The current HTML page should be available for DOM navigation.');
    return $this->elements;
}