PHP Laravel PDO Fetch (Memory save)

laravel_fetch.php

<?php

$query = DB::table('users')->where('name', 'John');  //Pretend this is a huge data set

$statement = $query->getConnection()->getPdo()->prepare($query->toSql());
$statement->execute($query->getBindings());

while ($record = $statement->fetch(PDO::FETCH_ASSOC)) {
    //Do whatever you want, one row at a time
}