mbers.",
otherwise "") and <code>$problemValues</code> (always <code>NULL</code>).</p>
    
    <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See also</h2>

    <div class='dont-index'><p><code><a href='check.html'>check</a></code>, <code><a href='allCheckFunctions.html'>allCheckFunctions</a></code>,
<code><a href='checkFunction.html'>checkFunction</a></code>, <code><a href='checkResult.html'>checkResult</a></code></p></div>
    

    <h2 class="hasAnchor" id="examples"><a class