This is what I’m starting with, but so far I’m not sure it is working 100%:
require_once('/var/www/po/wp-load.php');
if(!class_exists('GDS_Encryption_Class')) die('NO ENCRYPTION CLASS');
global $wpdb;
$forms = $wpdb->get_results( 'SELECT id FROM '.$wpdb->prefix.'rg_lead WHERE form_id = 4', OBJECT );
foreach ($forms as $f) {
$results = $wpdb->get_results( 'SELECT * FROM '.$wpdb->prefix.'rg_lead_detail WHERE form_id = 4 AND lead_id = '.$f->id .'', OBJECT );
foreach ($results as $r) {
echo 'Encrypting '.$r->id.':'.$r->value."<hr />";
$eData=GDS_Encryption_Class::encrypt($r->value);
$wpdb->update($wpdb->prefix.'rg_lead_detail',array('value'=>$eData),array('id'=>$r->id));
}
}