<?php $table = new PhabricatorUserPreferences(); $conn_w = $table->establishConnection('w'); foreach (new LiskMigrationIterator($table) as $row) { if ($row->getPHID() !== '') { continue; } queryfx( $conn_w, 'UPDATE %T SET phid = %s WHERE id = %d', $table->getTableName(), $table->generatePHID(), $row->getID()); }