function displayAnswers($uid, $pid)
{
$currentAnswers = getAnswersForPuzzle($pid);
$availableAnswers = getAvailableAnswers();
?>
<tr class='hideFromTest'>
<td>
<strong>Answers: <?php
echo getAnswersForPuzzleAsList($pid);
?>
</strong>
<?php
if (canChangeAnswers($uid) && ($currentAnswers != NULL || $availableAnswers != NULL)) {
?>
<a href="#" class="changeLink">[Change]</a>
</td>
</tr>
<tr>
<td>
<table>
<form method="post" action="form-submit.php">
<input type="hidden" name="uid" value="<?php
echo $uid;
?>
" />
<input type="hidden" name="pid" value="<?php
echo $pid;
?>
" />
<tr>
<?php
if ($currentAnswers != NULL) {
?>
<td>
<p><strong>Remove Answer(s):</strong></p>
<?php
makeOptionElements($currentAnswers, 'removeAns');
?>
</td>
<?php
}
if ($availableAnswers != NULL) {
?>
<td>
<p><strong>Add Answer(s):</strong></p>
<?php
makeOptionElements($availableAnswers, 'addAns');
?>
</td>
<?php
}
?>
</tr>
<tr>
<td colspan="2">
<input type="submit" name="changeAnswers" value="Change Answers" />
</td>
</tr>
</form>
</table>
<?php
}
?>
</td>
</tr>
<?php
}
function checkAnswer($pid, $attempt)
{
$actual = getAnswersForPuzzle($pid);
if (!$actual) {
return FALSE;
}
foreach ($actual as $a) {
$answers = explode(',', $a);
foreach ($answers as $ans) {
if (strcasecmp(preg_replace("/[^a-zA-Z0-9]/", "", $attempt), preg_replace("/[^a-zA-Z0-9]/", "", $ans)) == 0) {
$_SESSION['answer'] = $ans;
return $ans;
}
}
}
return FALSE;
}
function checkAnsForm($uid, $pid)
{
?>
<form method="post" action="form-submit.php">
Check an answer:
<?php
if (!getAnswersForPuzzle($pid)) {
echo "<strong>Answer not in Puzzletron, so this will always reject your answer.</strong>";
}
?>
<input type="hidden" name="pid" value="<?php
echo $pid;
?>
" />
<input type="hidden" name="uid" value="<?php
echo $uid;
?>
" />
<input type="input" name="ans" />
<input type="submit" name="checkAns" value="Check" />
</form>
<?php
}
