function rdf_preprocess_html

Implements hook_preprocess_HOOK() for html.tpl.php.

File

drupal/core/modules/rdf/rdf.module, line 494

Enables semantically enriched output for Drupal sites in the form of RDFa.

Code

function rdf_preprocess_html(&$variables) {

  // Adds RDF namespace prefix bindings in the form of an RDFa 1.1 prefix
  // attribute inside the html element.
  $prefixes = array();
  if (!isset($variables['html_attributes']['prefix'])) {
    $variables['html_attributes']['prefix'] = array();
  }
  foreach (rdf_get_namespaces() as $prefix => $uri) {
    $variables['html_attributes']['prefix'][] = $prefix . ': ' . $uri . "\n";
  }
}