node_assign_owner_action_validate($form, $form_state)Validates settings form for node_assign_owner_action().
modules/node/node.module, line 3438
<?php
function node_assign_owner_action_validate($form, $form_state) {
$exists = (bool) db_query_range('SELECT 1 FROM {users} WHERE name = :name', 0, 1, array(':name' => $form_state['values']['owner_name']))->fetchField();
if (!$exists) {
form_set_error('owner_name', t('Enter a valid username.'));
}
}
?>