function facebook_pixel_page_top in Facebook Pixel 8

Implements hook_page_top().

File

./facebook_pixel.module, line 63

Contains facebook_pixel.module..

Code

function facebook_pixel_page_top(array &$page_bottom) {
  $config = \Drupal::config('facebook_pixel.facebookpixelconfig');
  $id = $config
    ->get('facebook_id');
  $urlParameter = Xss::filter(urlencode($id));
  $noscript = '<img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=' . $urlParameter . '&ev=PageView&noscript=1" />';
  $page_bottom[] = [
    '#markup' => '<noscript>' . $noscript . '</noscript>',
    '#allowed_tags' => [
      'noscript',
      'img',
    ],
  ];
}