| public scan ( array &$elements, string | null $module = null, string | null $function = null, array $args = [] ) : integer | ||
| $elements | array | returned |
| $module | string | null | the name of the UDF module containing the optional filter function |
| $function | string | null | name of the UDF filter function to apply |
| $args | array | optional arguments for the filter function, passed as a map to the filter function |
| return | integer | status code of the operation |
public function scan(&$elements, $module = null, $function = null, array $args = array())
{
$elements = array();
if (!is_null($module) && !is_null($function)) {
$status = $this->client->apply($this->key, 'llist', 'filter', array($this->bin, null, $module, $function, $args), $elements);
} else {
$status = $this->client->apply($this->key, 'llist', 'scan', array($this->bin), $elements);
}
$this->processStatusCode($status);
return $this->errorno;
}