Get day of week in PHP with strftime()
<p>What is the most reliable way to get the day of the week?</p>

<ul>
<li><code>strftime("%u")</code> (1 = moonday to 7 = Sunday) </li>
<li><code>strftime("%w")</code> (0 = sunday to 6 = moonday)</li>
</ul>
