function process_essay($xml, &$questions)
{
if (isset($xml["POOL"]["#"]["QUESTION_ESSAY"])) {
$essayquestions = $xml["POOL"]["#"]["QUESTION_ESSAY"];
} else {
return;
}
foreach ($essayquestions as $essayquestion) {
$question = $this->defaultquestion();
$question->qtype = ESSAY;
// determine if the question is already escaped html
$ishtml = $essayquestion["#"]["BODY"][0]["#"]["FLAGS"][0]["#"]["ISHTML"][0]["@"]["value"];
// put questiontext in question object
if ($ishtml) {
$question->questiontext = html_entity_decode_php4(trim($essayquestion["#"]["BODY"][0]["#"]["TEXT"][0]["#"]));
}
// put name in question object
$question->name = substr($question->questiontext, 0, 254);
$question->answer = '';
$question->feedback = '';
$question->fraction = 0;
$questions[] = $question;
}
}
/**
* Reverse function for htmlentities.
* Convert entities in UTF-8.
* @param $text_to_convert Text to convert.
* @return string converted
*/
function unhtmlentities($text_to_convert)
{
if (!$this->isunicode) {
return html_entity_decode($text_to_convert);
}
return html_entity_decode_php4($text_to_convert);
}
function process_matching($xml, &$questions)
{
if (isset($xml["POOL"]["#"]["QUESTION_MATCH"])) {
$matchquestions = $xml["POOL"]["#"]["QUESTION_MATCH"];
} else {
return;
}
for ($i = 0; $i < sizeof($matchquestions); $i++) {
$question = $this->defaultquestion();
$question->qtype = MATCH;
$thisquestion = $matchquestions[$i];
// determine if the question is already escaped html
$ishtml = $thisquestion["#"]["BODY"][0]["#"]["FLAGS"][0]["#"]["ISHTML"][0]["@"]["value"];
// put questiontext in question object
if ($ishtml) {
$question->questiontext = html_entity_decode_php4(trim($thisquestion["#"]["BODY"][0]["#"]["TEXT"][0]["#"]));
}
$question->questiontext = addslashes($question->questiontext);
// put name of question in question object
$question->name = substr($question->questiontext, 0, 254);
$choices = $thisquestion["#"]["CHOICE"];
for ($j = 0; $j < sizeof($choices); $j++) {
$subquestion = NULL;
$choice = $choices[$j]["#"]["TEXT"][0]["#"];
$choice_id = $choices[$j]["@"]["id"];
$question->subanswers[] = addslashes(trim($choice));
$correctanswers = $thisquestion["#"]["GRADABLE"][0]["#"]["CORRECTANSWER"];
for ($k = 0; $k < sizeof($correctanswers); $k++) {
if (strcmp($choice_id, $correctanswers[$k]["@"]["choice_id"]) == 0) {
$answer_id = $correctanswers[$k]["@"]["answer_id"];
$answers = $thisquestion["#"]["ANSWER"];
for ($m = 0; $m < sizeof($answers); $m++) {
$answer = $answers[$m];
$current_ans_id = $answer["@"]["id"];
if (strcmp($current_ans_id, $answer_id) == 0) {
$answer = $answer["#"]["TEXT"][0]["#"];
$question->subquestions[] = addslashes(trim($answer));
break;
}
}
break;
}
}
}
$questions[] = $question;
}
}
/**
* Reverse function for htmlentities.
* Convert entities in UTF-8.
* @param $text_to_convert Text to convert.
* @return string converted
* @access public
*/
function unhtmlentities($text_to_convert)
{
require_once dirname(__FILE__) . '/html_entity_decode_php4.php';
if (!$this->isunicode) {
return html_entity_decode($text_to_convert);
}
return html_entity_decode_php4($text_to_convert);
}
/**
* Reverse function for htmlentities.
* Convert entities in UTF-8.
*
* @param $text_to_convert Text to convert.
* @return string converted
*/
function unhtmlentities($text_to_convert)
{
require_once dirname(__FILE__) . '/html_entity_decode_php4.php';
return html_entity_decode_php4($text_to_convert);
}
function CleanText($text)
{
// remove any javascript - OLLY
// http://forum.joomla.org/index.php?topic=194800.msg1036857
$regex = "'<script[^>]*?>.*?</script>'si";
$text = preg_replace($regex, " ", $text);
$regex = "'<noscript[^>]*?>.*?</noscript>'si";
$text = preg_replace($regex, " ", $text);
// convert html entities to chars
// this doesnt remove but converts it to ascii 160
// we handle that further down changing chr(160) to a space
//$text = html_entity_decode($text,ENT_QUOTES,'UTF-8');
if (version_compare(phpversion(), '5.0') < 0) {
require_once JPATH_SITE . DS . 'libraries' . DS . 'tcpdf' . DS . 'html_entity_decode_php4.php';
$text = html_entity_decode_php4($text, ENT_QUOTES, 'UTF-8');
} else {
$text = html_entity_decode($text, ENT_QUOTES, 'UTF-8');
}
// strip any remaining html tags
$text = strip_tags($text);
// remove any mambot codes
$regex = '(\\{.*?\\})';
$text = preg_replace($regex, " ", $text);
// remove any extra spaces
while (strchr($text, " ")) {
$text = str_replace(" ", " ", $text);
}
// general sentence tidyup
for ($cnt = 1; $cnt < strlen($text); $cnt++) {
// add a space after any full stops or comma's for readability
// added as strip_tags was often leaving no spaces
if ($text[$cnt] == '.' || $text[$cnt] == ',') {
if ($text[$cnt + 1] != ' ') {
$text = substr_replace($text, ' ', $cnt + 1, 0);
}
}
}
// remove quotes
$text = str_replace("\"", "", $text);
return trim($text);
}
