answer.php

<?
// Collect stuff that was sent in post
$post = $_POST;
// Here I am going to parse each post value into its corresponding array
// Post fields in the form "answerXXX" go to $answer[XXX]
// Post fields in the form "defXXX" go to $def[XXX]
// Post fields in the form "questionXXX" go to $userchoice[XXX]
// Post fields in the form "wordXXX" go to $word[XXX]
foreach($post as $key => $value) {
    if(substr($key, 0, 6) == 'answer') {
        $answer[substr($key, 6)] = $value;
    } elseif (substr($key, 0, 3) == 'def') {
        $def[substr($key, 3)] = $value;
    } elseif (substr($key, 0, 8) == 'question'){
        $userchoice[substr($key, 8)] = $value;
    } elseif(substr($key, 0, 4) == 'word') {
        $word[substr($key, 4)] = $value;
    } elseif($key == 'predef') {
        @file_put_contents('quizAnswers.txt', $value."\t".gmdate('Y-m-d\TH:i:s\Z')."\n", FILE_APPEND);
    }
}
// Print out the users choices
echo"Your Choices:<BR><BR>";
foreach ($userchoice as $questionnum => $theanswer) {
    echo $questionnum.") ".$word[$questionnum]." - ".$theanswer.") ".$def[$theanswer];
    // If the user did not answer correctly then tell them they screwed up and
    //  tell them the correct answer in red
    if($theanswer != $answer[$questionnum]) {
        echo "&nbsp;<span style=\"background-color:#f00;\"><b>INCORRECT ANSWER</b> correct answer was ".$answer[$questionnum]." -> ".$def[$answer[$questionnum]]."</span>";
    }
    echo "<BR>";
}
// Print out the correct answers for convenience
echo"<BR><BR>Correct Answers:<BR><BR>";
foreach ($answer as $questionnum => $theanswer) {
    echo $questionnum.") ".$word[$questionnum]." - ".$theanswer.") ".$def[$theanswer]."<BR>";
}
?>
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