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June 22, 2018 19:42
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Delete Research nodes revisions
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<?php | |
// Query all of the nids of the research content type. | |
$nids = db_select('node', 'n') | |
->fields('n', array('nid')) | |
->condition('type', 'research', '=') | |
->execute() | |
->fetchCol(); | |
foreach ($nids as $nid) { | |
// The task now is to delete all revisions except the most recent 20 belonging to each of the nodes in the $nodes array. | |
// We probably need a loop here that can loops through the $nodes array and then run the following on each node in the array | |
// As written, the code below would delete all revisions belonging to each node, we need to limit that to those after the most recent 20. | |
// Possible way to limit the array of revisons to delete: $revstodelete = array_slice($vid, < 19); to return revisions after the first 20. | |
$node = node_load($nid, TRUE); | |
$vids = \Drupal::entityManager()->getStorage('node')->revisionIds($node); | |
$vids = array_slice($vids, 0, -20); | |
foreach($vids as $vid){ | |
if ($node->vid !== $vid) { | |
\Drupal::entityTypeManager()->getStorage('node')->deleteRevision($vid); | |
} | |
} | |
} |
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