Is this a php bug
<p>why this code has error (Notice: Use of undefined constant ‍‍ - assumed '‍‍' on line 5)</p>

<pre><code>&lt;?
$arr1 = array(
"&gt;",
"&lt;",‍‍
);

foreach ($arr1 as $value) {
echo $value;
}
</code></pre>
