filter.php

<?php

$filter = 'foo';

$qb = $this->getEntityManager()->createQueryBuilder();
$qb->select('u');
$qb->from($this->getClassName() , 'u');

$qb->add('where', $qb->expr()->orx(
    $qb->expr()->like('u.email', $qb->expr()->literal('%'.$filter.'%')),
    $qb->expr()->like('u.name', $qb->expr()->literal('%'.$filter.'%'))
));
    

$query = $qb->getQuery();
$query->useResultCache(true, 10);