function rdf_preprocess_html
rdf_preprocess_html(&$variables)
Implements hook_preprocess_HOOK() for HTML document templates.
File
- core/modules/rdf/rdf.module, line 265
- Enables semantically enriched output for Drupal sites in the form of RDFa.
Code
function rdf_preprocess_html(&$variables) { // Adds RDF namespace prefix bindings in the form of an RDFa 1.1 prefix // attribute inside the html element. if (!isset($variables['html_attributes']['prefix'])) { $variables['html_attributes']['prefix'] = array(); } foreach (rdf_get_namespaces() as $prefix => $uri) { $variables['html_attributes']['prefix'][] = $prefix . ': ' . $uri . " "; } }
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Licensed under the GNU General Public License, version 2 and later.
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https://api.drupal.org/api/drupal/core!modules!rdf!rdf.module/function/rdf_preprocess_html/8.1.x