#pq\Gateway\Rowset pq\Gateway\Rowset::filter(callable $cb)

Filter the rows a copy of the rowset should contain.

Params:#

• callable $cb#
  A filter callback which should return bool as function(pq\Gateway\Row $row#)

Returns:#

• pq\Gateway\Rowset, clone.

Example:#

<?php

use pq\Gateway\Table;

$table = new Table("account");
$table->find()
    ->apply(function($row) {
        // ...
    })->filter(function ($row) {
        return $row->isDirty();
    })->update();

?>