php preg_replace question.. how to get rid of a space?
<pre><code>$thisdate = '2011-01-18 14:52:33';

$security = preg_replace('/[^\d\s]/', '', $thisdate);

echo $security;
</code></pre>

<p>This results in 20110118 145233</p>

<p>How would i get rid of the space?</p>

<p>Thanks.</p>
