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- Metatag: Google+
- -----------------
- This module adds support for meta tag configuration for Google+ Snippet [1].
- The following Google+ tags are provided:
- * itemprop:name
- * itemprop:description
- * itemprop:image
- Also itemtype is provided to add schema in the HTML markup as follows:
- <html itemscope itemtype="http://schema.org/Article">
- Usage
- --------------------------------------------------------------------------------
- Page type (itemtype) provides default type options from the Google+ Snippet page
- [1]; to add other types either install select_or_other module [2] or use the
- Metatag hooks (see metatag.api.php).
- Known Issues
- --------------------------------------------------------------------------------
- - When using Zen or its derived theme, the RDF Namespaces will be serialized
- into an RDFa 1.1 prefix attribute, which means itemtype will be included in
- prefix="...". To avoid this problem, this module will not add a itemtype
- directly to $variable['rdf_namespaces'], instead, it will be necessary to add
- code manually in the template.php or the custom theme.
- Example code to use and adapt as needed:
- /**
- * Implements template_preprocess_html().
- *
- * Add itemtype code for Google+ in the 'html_attributes_array' which is only
- * available in Zen theme. Note Zen will convert rdf_namespaces to RDFa 1.1 with
- * prefix, so putting itemtype there will cause it to be added to the
- * prefix="itemtype=..." attribute.
- *
- * @see zen_preprocess_html()
- */
- function MYTHEME_preprocess_html(&$variables, $hook) {
- if (module_exists('metatag_google_plus') && isset($variables['itemtype'])) {
- $variables['html_attributes_array']['itemscope itemtype'] = "http://schema.org/{$variables['itemtype']}";
- }
- }
- Credits / Contact
- --------------------------------------------------------------------------------
- Originally developed by Eric Chen [3] and sponsored by Monkii [4].
- References
- --------------------------------------------------------------------------------
- 1: https://developers.google.com/+/web/snippet/
- 2. https://drupal.org/project/select_or_other
- 3: https://drupal.org/user/265729
- 4: http://monkii.com
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