<?php
error_reporting(E_ALL);
// TEST DATA - ASSUMING THAT THIS IS THE CONTENTS OF THE topic.xml FILE
$tobj = simplexml_load_file('topic.xml');
$qobj = simplexml_load_file('questions.xml');
// IF NOTHING WAS POSTED YET
if (empty($_POST["choice"]))
{
// PUT UP THE HTML FORM TO RECEIVE THE CHOICE
echo "PLEASE CHOOSE";
echo "<form method=\"post\">\n";
// ITERATE OVER THE OBJECT TO PRODUCE THE HTML FORM FIELDS
foreach($tobj->children() as $child)
{
echo "<br/><input type=\"radio\" name=\"choice\" value=\"{$child['topic']}\" />";
echo $child["title"];
echo "\n";
}
// CLOSE OUT THE FORM
echo "<br/><input type=\"submit\" value=\"Choose\" />\n";
echo "</form>\n";
}
// IF ANYTHING WAS POSTED
if (!empty($_POST["choice"]))
{
$found = FALSE;
$q_choice = $_POST["choice"];
echo "<br/>YOU CHOSE: $q_choice<br/>\n";
// ITERATE OVER THE OBJECT TO PRODUCE THE OUTPUT FROM THIS CHOICE
foreach ($qobj as $record)
{
// IF THE TOPIC FROM THE FORM MATCHES THE TOPIC IN THE RECORD
if ($q_choice == $record["topic"])
{
echo "<br/><br/>$record->title";
echo "<br/>$record->question";
foreach($record->choices->children() as $choice)
{
echo "<br/><input type=\"radio\" name=\"$record->title\" value=\"{$choice['choice']}\" />";
echo " ".$choice;
}
echo "<br/><input type=\"submit\" value=\"Choose\" / >\n";
// ADD OTHER ITERATORS AND TESTS HERE AS NEEDED
$found = TRUE;
}
} // END ITERATOR
// IF NOTHING WAS FOUND
if (!$found) echo "<br/>NOTHING FOUND TO MATCH $q_choice\n";
}
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