Unable to understand the php code
<p>Can any one please help me to figure out the php code given below.</p>

<pre><code>function do_the_query($db, $query)
{
    $result = mysql_db_query($db, $query) or print("$query&lt;BR&gt;" . "&lt;B&gt;" . mysql_errno() . ": " . mysql_error() . "&lt;/B&gt;&lt;BR&gt;\r\n&lt;BR&gt;\r\n");
    return $result;
}

/* funzione frontend per generare numeri pseudo-casuali */
function random($max)
{
    srand((double)microtime() * 1000000);
    return rand(1, $max);
}
?&gt;
</code></pre>
