Retrieves only the headers for a Drupal path or an absolute path.

Parameters

$path: Drupal path or URL to load into internal browser

$options: Options to be forwarded to the url generator.

$headers: An array containing additional HTTP request headers, each formatted as "name: value".

Return value

The retrieved headers, also available as $this->getRawContent()

File

core/modules/simpletest/src/WebTestBase.php, line 1501

Class

WebTestBase

Test case for typical Drupal tests.

Namespace

Drupal\simpletest

Code

protected function drupalHead($path, array $options = [], array $headers = []) {
    $options['absolute'] = TRUE;
    $url = $this->buildUrl($path, $options);
    $out = $this->curlExec([
        CURLOPT_NOBODY => TRUE,
        CURLOPT_URL => $url,
        CURLOPT_HTTPHEADER => $headers,
    ]);
    // Ensure that any changes to variables in the other thread are picked up.
    $this->refreshVariables();
    if ($this->dumpHeaders) {
        $this->verbose('GET request to: ' . $path . '<hr />Ending URL: ' . $this->getUrl() . '<hr />Headers: <pre>' . Html::escape(var_export(array_map('trim', $this->headers), TRUE)) . '</pre>');
    }
    return $out;
}

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