Test PDO vs xPDO

<?php
$time_start = microtime(true);
$c = $modx->newQuery('modResource');
$c->select(array('id','pagetitle'));
$c->where(array('id:<' => 1000));

for ($i = 1000; $i >= 0; $i--) {
    if($c->prepare() && $c->stmt->execute()) {
        $collection = $c->stmt->fetchAll(PDO::FETCH_ASSOC);
    }
    $x = array();
    foreach ($collection as $key => $value) {
        $x[] = $value;
    }
}
$time_end = microtime(true);
$time = $time_end - $time_start;
echo $time;

echo '<br />';

$time_start = microtime(true);

for ($i = 1000; $i >= 0; $i--) {
    $collection = $modx->getCollection('modResource',$c);

    foreach ($collection as $key => $value) {
        $value->toArray();
    }
}
$time_end = microtime(true);
$time = $time_end - $time_start;
echo $time;
die('<br />Закончили');