/**
* Get a list of tags for a piece of content
*
* @return Array an array of terms or empty array
*/
public static function get_keywords_for($node)
{
$terms = array();
if (!db_table_exists('taxonomy_index')) {
return $terms;
}
$results = db_query('SELECT tid FROM {taxonomy_index} WHERE nid = :nid', array(':nid' => $node->nid));
foreach ($results as $result) {
$term = taxonomy_term_load($result->tid);
if (empty($term) || empty($term->name)) {
continue;
}
array_push($terms, ShareaholicUtilities::clean_string($term->name));
$vocabulary = taxonomy_vocabulary_load($term->vid);
if (empty($vocabulary) || empty($vocabulary->name) || preg_match('/tags/i', $vocabulary->name)) {
continue;
}
array_push($terms, ShareaholicUtilities::clean_string($vocabulary->name));
}
$terms = array_unique($terms);
return $terms;
}