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在 node page 加入 open graph tags

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Drupal 7.x
JOE — Wed, 2015-04-22 00:02

<?php
    //custom.module: function custom_preprocess_node(&$vars) {
    drupal_add_html_head(array(
      '#tag' => 'meta',
      '#attributes' => array(
        'property' => 'og:description',
        'content' => trim(strip_tags($vars['node']->body['und'][0]['safe_value'])),
      ),
    ), 'og_description');
?>
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