Returns a list of all the existing revision numbers for the node passed in.
\Drupal\Core\Entity\EntityInterface $node: The node entity.
An associative array keyed by node revision number.
function node_revision_list(EntityInterface $node) {
$revisions = array();
$result = db_query('SELECT nfr.vid, nfr.title, nfr.log, nfr.revision_uid AS uid, n.vid AS current_vid, nfr.revision_timestamp, u.name FROM {node_field_revision} nfr LEFT JOIN {node} n ON n.vid = nfr.vid INNER JOIN {users} u ON u.uid = nfr.revision_uid WHERE nfr.nid = :nid AND nfr.default_langcode = 1 ORDER BY nfr.vid DESC', array(
':nid' => $node->nid,
));
foreach ($result as $revision) {
$revisions[$revision->vid] = $revision;
}
return $revisions;
}