What PHP version supports this kind of assigning?
<p>What PHP versions supports this:</p>

<pre><code>function mytest($mVar = null) {    
    ($mVar === null) and ($mVar = "Hello"); // &lt;--- This line
    echo $mVar;
}
</code></pre>

<p>Does it work in PHP versions lower than 5.3.x ?</p>
