How do I post the following through a form?
$answers = $_POST['selected_answers$questionNr'];
Every time I post the browser displays the following:
I see the following error Notice: Undefined index: selected_answers{$questionNr}
This is the code I am using to $_POST the form output:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<head>
<style>
style1 {font-family: "Baskerville Old Face"}
.style2 {
font-family: "Baskerville Old Face";
font-size: 12px;
font-style: italic;
}
body {
background-color: #99CC66;
}
#text_disabled{
border:0;
font-size:10pt;
color:black;
}
</style>
<title>Question and Answer Read From Text File</title>
</head>
<body>
<form action="processor.php" method="POST">
<b><u> QUESTIONS AND ANSWERS QUIZ</u></b> <br /><br />
<?php
$openFile = fopen("questionandanswers.txt", "r") or exit ("unable to open the text file");
$string = fread($openFile, filesize("questionandanswers.txt"));
//Regex to get from the first number to the string's end, so we ignore the Number Question... bit;
preg_match('/\d.*/', $string, $match);
//We get all the strings starting with a number until it finds another number (which will be the beginning of another question;
preg_match_all('/\d\D*/', $match[0], $results);
$qas = array(); // We prepare an array that will store the questions/answers
foreach($results[0] as $result)
{
//Separating the question from the string with all the answers.
list($question, $all_answers) = explode(':', $result);
//Separating the different answers
$answers_array = explode('.', $all_answers);
//removes unnecesary spaces in the questions
$answers_array_trimmed = array_map('trim', $answers_array);
//Storing the question and the array with all the answers into the previously prepared array;
$qas[] = array('question' => $question, 'answers' => $answers_array);
}
//Looping through the array and outputting all the info into a form;
echo "<script type=\"text/javascript\" src=\"js/form.js\"></script>";
$questionNr = 0;
foreach($qas as $k=>$v)
{
echo "<input id='question{$questionNr}' style='width:40%' type='text' value='".$v['question']."' name='questions[]' >";
echo '<br /><br />';
//Puts the answers of each question unique and in the form of radios
foreach($v['answers'] as $answer)
{
echo "<input type=\"radio\" name=\"selected_answers{$questionNr}[]\" value='\"' />";
echo "$answer";
echo '<br/><br />';
}
$questionNr++;
}
?>
<input name= "submit" type="submit" value="Submit Answers">  <input type="reset" value ="Clear Answers">
</form>
</body>
</html>
Where exactly Am I going wrong because It seems not to be going through.