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@ 2014-08-17T12:25:03Z

<?php

$db = new PDO("mysql:");
$s = $db->prepare('SELECT 3');
$s->execute();
$s->bindColumn(1, $test);
$s->fetch(PDO::FETCH_BOUND);
var_dump($test);  # returns NULL instead of 3

Output
Performance
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var_dump: documentation ( source)

preferences:dark modelive preview

38.56 ms | 402 KiB | 5 Q