private function eval_route()
{
$route = URI::current();
$formula = $this->get_formula($route, $action_count);
$m = new EvalMath();
$result = $m->e($formula);
if ($action_count <= 10 && $result !== false) {
return round($result, 0, PHP_ROUND_HALF_UP);
} else {
return 'Incorrect arithmetic route';
}
}
function math_pyramid_check(WC_Challenge $chall, $formula, $maxlen, $precision = 4)
{
error_reporting(E_ERROR);
GWF_Debug::setDieOnError(false);
GWF_Debug::setMailOnError(false);
$len = strlen($formula);
$tests = array('0' => 0, '1' => 0.2357, '3.14' => 7.2971, '10' => 235.7023, '100' => 235702.2604);
$eval = new EvalMath();
$fa = "f(a) = {$formula}";
if (false === $eval->evaluate($fa)) {
echo GWF_HTML::error('Math Pyramid', $chall->lang('err_formula', array(htmlspecialchars($fa))));
return false;
}
GWF_Debug::setDieOnError(true);
GWF_Debug::setMailOnError(true);
$back = GWF_HTML::message('Math Pyramid', $chall->lang('msg_formula', array(htmlspecialchars($fa))), false);
$correct = 0;
foreach ($tests as $a => $result) {
$result2 = $eval->evaluate("f({$a})");
$result = sprintf('%.0' . $precision . 'f', $result);
$result2 = sprintf('%.0' . $precision . 'f', $result2);
if ($result === $result2) {
$back .= GWF_HTML::message('Math Pyramid', $chall->lang('msg_correct', array($a, $result2, $result)), false);
$correct++;
} else {
$back .= GWF_HTML::error('Math Pyramid', $chall->lang('err_wrong', array($a, $result2, $result)), false);
}
}
require_once GWF_CORE_PATH . 'module/WeChall/WC_MathChall.php';
if ($chall->getID() > 0 && $correct === count($tests)) {
if (false === WC_MathChall::insertSolution($chall->getID(), GWF_Session::getUserID(), $formula)) {
$back .= GWF_HTML::err('ERR_DATABASE', array(__FILE__, __LINE__));
} else {
$back .= GWF_HTML::message('Math Pyramid', WC_HTML::lang('msg_wmc_sol_inserted', array($len, WC_MathChall::getLimitedHREF($chall, $len))), false);
}
}
# Check Len
if ($len > $maxlen) {
$back .= GWF_HTML::error('Math Pyramid', $chall->lang('err_too_long', array($len, $maxlen)), false);
}
echo $back;
if ($correct === count($tests) && $len <= $maxlen) {
if ($len < $maxlen) {
echo GWF_HTML::message('Math Pyramid', $chall->lang('msg_new_record', array($len, $maxlen)), false);
GWF_Settings::setSetting('WC_MATH_PYRAMID', $len);
}
$chall->onChallengeSolved(GWF_Session::getUserID());
}
}
function output_mapping($input, $type)
{
switch ($type) {
case 'Mathematical expression':
$result_type = $type;
include 'tools/math/evalmath.php';
$m = new EvalMath();
$output = $m->evaluate($input);
break;
default:
$result_type = $type;
$output = FALSE;
}
return array('output' => $output, 'type' => $result_type);
}
/**
* Test the return types for the random number generators.
*
* @since 1.5.0
*/
public function test_rand_functions_type()
{
$result = $this->evalmath->evaluate('rand_float()');
$this->assertInternalType('float', $result);
$result = $this->evalmath->evaluate('rand_int(0,1000)');
$this->assertInternalType('int', $result);
}
function draw(&$row, $fields)
{
global $_CAMILA;
$formula = $this->report->formulas[$this->field];
$ttemp = new MiniTemplator();
$ttemp->setTemplateString($formula);
foreach ($fields as $key) {
if ($key->value != '') {
$ttemp->setVariable($key->title, $key->value, true);
} else {
$ttemp->setVariable($key->title, '0', true);
}
}
$ttemp->generateOutputToString($formula);
$m = new EvalMath();
$this->value = $m->evaluate($formula);
parent::draw($row, $fields);
}
/**
* Check input, strip slashes etc. set alert, if input is not ok.
*
* @return boolean Input ok, true/false
*/
function checkInput()
{
global $lng;
$_POST[$this->getPostVar()] = ilUtil::stripSlashes($_POST[$this->getPostVar()]);
if ($this->getRequired() && trim($_POST[$this->getPostVar()]) == "") {
$this->setAlert($lng->txt("msg_input_is_required"));
return false;
} else {
$eval = new EvalMath();
$eval->suppress_errors = true;
$result = $eval->e(str_replace(",", ".", ilUtil::stripSlashes($_POST[$this->getPostVar()], FALSE)));
if ($result === false) {
$this->setAlert($lng->txt("form_msg_formula_is_required"));
return false;
}
}
return $this->checkSubItemsInput();
}
function check_permissions($userid, $context) {
global $DB, $CFG, $USER;
if (has_capability('block/cobalt_reports:manageownreports', $context, $userid) && $this->config->ownerid == $userid)
return true;
if (has_capability('block/cobalt_reports:managereports', $context, $userid))
return true;
if (empty($this->config->visible))
return false;
$components = cr_unserialize($this->config->components);
$permissions = (isset($components['permissions'])) ? $components['permissions'] : array();
if (empty($permissions['elements'])) {
return has_capability('block/cobalt_reports:viewreports', $context);
} else {
$i = 1;
$cond = array();
foreach ($permissions['elements'] as $p) {
require_once($CFG->dirroot . '/blocks/cobalt_reports/plugin.class.php');
require_once($CFG->dirroot . '/blocks/cobalt_reports/components/permissions/' . $p['pluginname'] . '/plugin.class.php');
$classname = 'plugin_' . $p['pluginname'];
$class = new $classname($this->config);
$cond[$i] = $class->execute($userid, $context, $p['formdata']);
$i++;
}
if (count($cond) == 1) {
return $cond[1];
} else {
$m = new EvalMath;
$orig = $dest = array();
if (isset($permissions['config']) && isset($permissions['config']->conditionexpr)) {
$logic = trim($permissions['config']->conditionexpr);
// Security
// No more than: conditions * 10 chars
$logic = substr($logic, 0, count($permissions['elements']) * 10);
$logic = str_replace(array('and', 'or'), array('&&', '||'), strtolower($logic));
// More Security Only allowed chars
$logic = preg_replace('/[^&c\d\s|()]/i', '', $logic);
//$logic = str_replace('c','$c',$logic);
$logic = str_replace(array('&&', '||'), array('*', '+'), $logic);
for ($j = $i - 1; $j > 0; $j--) {
$orig[] = 'c' . $j;
$dest[] = ($cond[$j]) ? 1 : 0;
}
return $m->evaluate(str_replace($orig, $dest, $logic));
} else {
return false;
}
}
}
}
/**
* Evaluate a math expression
*
* @since 1.0.0
*
* @param string $expression without leading = sign
* @return string Result of the evaluation
*/
protected function _evaluate_math_expression($expression)
{
// straight up evaluation, without parsing of variable or function assignments (which is why we only need one instance of the object)
$result = $this->evalmath->pfx($this->evalmath->nfx($expression));
if (false === $result) {
return '!ERROR! ' . $this->evalmath->last_error;
} else {
return $result;
}
}
function dotags($tags, $topic)
{
global $auth, $db, $user, $config, $template;
global $phpEx, $phpbb_root_path;
include_once $phpbb_root_path . 'roller/evalmath.class.' . $phpEx;
// Need the maths
$results;
foreach ($tags as $tag) {
$tag = str_replace(array('{', '}'), '', $tag);
$tag = explode(" ", $tag);
$secondparam = "";
for ($i = 1; $i < count($tag); $i++) {
$secondparam = $secondparam . " " . $tag[$i];
}
$m = new EvalMath();
$math = $m->evaluate($secondparam);
switch (strtoupper($tag[0])) {
case "ROLL":
$results .= roll($math, 10);
break;
case "9AGAIN":
$results .= roll($math, 9);
break;
case "8AGAIN":
$results .= roll($math, 8);
break;
case "9-AGAIN":
$results .= roll($math, 9);
break;
case "8-AGAIN":
$results .= roll($math, 8);
break;
default:
$results .= "<br />The {$tag['0']} command is not recognized. <br />";
// return false;
}
}
return $results;
}
/**
* Returns a QTI xml representation of the question
*
* Returns a QTI xml representation of the question and sets the internal
* domxml variable with the DOM XML representation of the QTI xml representation
*
* @return string The QTI xml representation of the question
* @access public
*/
function toXML($a_include_header = true, $a_include_binary = true, $a_shuffle = false, $test_output = false, $force_image_references = false)
{
global $ilias;
include_once "./Services/Math/classes/class.EvalMath.php";
$eval = new EvalMath();
$eval->suppress_errors = TRUE;
include_once "./Services/Xml/classes/class.ilXmlWriter.php";
$a_xml_writer = new ilXmlWriter();
// set xml header
$a_xml_writer->xmlHeader();
$a_xml_writer->xmlStartTag("questestinterop");
$attrs = array("ident" => "il_" . IL_INST_ID . "_qst_" . $this->object->getId(), "title" => $this->object->getTitle(), "maxattempts" => $this->object->getNrOfTries());
$a_xml_writer->xmlStartTag("item", $attrs);
// add question description
$a_xml_writer->xmlElement("qticomment", NULL, $this->object->getComment());
// add estimated working time
$workingtime = $this->object->getEstimatedWorkingTime();
$duration = sprintf("P0Y0M0DT%dH%dM%dS", $workingtime["h"], $workingtime["m"], $workingtime["s"]);
$a_xml_writer->xmlElement("duration", NULL, $duration);
// add ILIAS specific metadata
$a_xml_writer->xmlStartTag("itemmetadata");
$a_xml_writer->xmlStartTag("qtimetadata");
$a_xml_writer->xmlStartTag("qtimetadatafield");
$a_xml_writer->xmlElement("fieldlabel", NULL, "ILIAS_VERSION");
$a_xml_writer->xmlElement("fieldentry", NULL, $ilias->getSetting("ilias_version"));
$a_xml_writer->xmlEndTag("qtimetadatafield");
$a_xml_writer->xmlStartTag("qtimetadatafield");
$a_xml_writer->xmlElement("fieldlabel", NULL, "QUESTIONTYPE");
$a_xml_writer->xmlElement("fieldentry", NULL, CLOZE_TEST_IDENTIFIER);
$a_xml_writer->xmlEndTag("qtimetadatafield");
$a_xml_writer->xmlStartTag("qtimetadatafield");
$a_xml_writer->xmlElement("fieldlabel", NULL, "AUTHOR");
$a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getAuthor());
$a_xml_writer->xmlEndTag("qtimetadatafield");
// additional content editing information
$this->addAdditionalContentEditingModeInformation($a_xml_writer);
$this->addGeneralMetadata($a_xml_writer);
$a_xml_writer->xmlStartTag("qtimetadatafield");
$a_xml_writer->xmlElement("fieldlabel", NULL, "textgaprating");
$a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getTextgapRating());
$a_xml_writer->xmlEndTag("qtimetadatafield");
$a_xml_writer->xmlStartTag("qtimetadatafield");
$a_xml_writer->xmlElement("fieldlabel", NULL, "fixedTextLength");
$a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getFixedTextLength());
$a_xml_writer->xmlEndTag("qtimetadatafield");
$a_xml_writer->xmlStartTag("qtimetadatafield");
$a_xml_writer->xmlElement("fieldlabel", NULL, "identicalScoring");
$a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getIdenticalScoring());
$a_xml_writer->xmlEndTag("qtimetadatafield");
$a_xml_writer->xmlStartTag("qtimetadatafield");
$a_xml_writer->xmlElement("fieldlabel", NULL, "combinations");
$a_xml_writer->xmlElement("fieldentry", NULL, base64_encode(json_encode($this->object->getGapCombinations())));
$a_xml_writer->xmlEndTag("qtimetadatafield");
$a_xml_writer->xmlEndTag("qtimetadata");
$a_xml_writer->xmlEndTag("itemmetadata");
// PART I: qti presentation
$attrs = array("label" => $this->object->getTitle());
$a_xml_writer->xmlStartTag("presentation", $attrs);
// add flow to presentation
$a_xml_writer->xmlStartTag("flow");
$questionText = $this->object->getQuestion() ? $this->object->getQuestion() : ' ';
$this->object->addQTIMaterial($a_xml_writer, $questionText);
$text_parts = preg_split("/\\[gap.*?\\[\\/gap\\]/", $this->object->getClozeText());
// add material with question text to presentation
for ($i = 0; $i <= $this->object->getGapCount(); $i++) {
$this->object->addQTIMaterial($a_xml_writer, $text_parts[$i]);
if ($i < $this->object->getGapCount()) {
// add gap
$gap = $this->object->getGap($i);
switch ($gap->getType()) {
case CLOZE_SELECT:
// comboboxes
$attrs = array("ident" => "gap_{$i}", "rcardinality" => "Single");
$a_xml_writer->xmlStartTag("response_str", $attrs);
$solution = $this->object->getSuggestedSolution($i);
if (count($solution)) {
if (preg_match("/il_(\\d*?)_(\\w+)_(\\d+)/", $solution["internal_link"], $matches)) {
$attrs = array("label" => "suggested_solution");
$a_xml_writer->xmlStartTag("material", $attrs);
$intlink = "il_" . IL_INST_ID . "_" . $matches[2] . "_" . $matches[3];
if (strcmp($matches[1], "") != 0) {
$intlink = $solution["internal_link"];
}
$a_xml_writer->xmlElement("mattext", NULL, $intlink);
$a_xml_writer->xmlEndTag("material");
}
}
$attrs = array("shuffle" => $gap->getShuffle() ? "Yes" : "No");
$a_xml_writer->xmlStartTag("render_choice", $attrs);
// add answers
foreach ($gap->getItems() as $answeritem) {
$attrs = array("ident" => $answeritem->getOrder());
$a_xml_writer->xmlStartTag("response_label", $attrs);
$a_xml_writer->xmlStartTag("material");
$a_xml_writer->xmlElement("mattext", NULL, $answeritem->getAnswertext());
$a_xml_writer->xmlEndTag("material");
$a_xml_writer->xmlEndTag("response_label");
}
$a_xml_writer->xmlEndTag("render_choice");
$a_xml_writer->xmlEndTag("response_str");
break;
case CLOZE_TEXT:
// text fields
$attrs = array("ident" => "gap_{$i}", "rcardinality" => "Single");
$a_xml_writer->xmlStartTag("response_str", $attrs);
$solution = $this->object->getSuggestedSolution($i);
if (count($solution)) {
if (preg_match("/il_(\\d*?)_(\\w+)_(\\d+)/", $solution["internal_link"], $matches)) {
$attrs = array("label" => "suggested_solution");
$a_xml_writer->xmlStartTag("material", $attrs);
$intlink = "il_" . IL_INST_ID . "_" . $matches[2] . "_" . $matches[3];
if (strcmp($matches[1], "") != 0) {
$intlink = $solution["internal_link"];
}
$a_xml_writer->xmlElement("mattext", NULL, $intlink);
$a_xml_writer->xmlEndTag("material");
}
}
$attrs = array("fibtype" => "String", "prompt" => "Box", "columns" => $gap->getGapSize());
$a_xml_writer->xmlStartTag("render_fib", $attrs);
$a_xml_writer->xmlEndTag("render_fib");
$a_xml_writer->xmlEndTag("response_str");
break;
case CLOZE_NUMERIC:
// numeric fields
$attrs = array("ident" => "gap_{$i}", "numtype" => "Decimal", "rcardinality" => "Single");
$a_xml_writer->xmlStartTag("response_num", $attrs);
$solution = $this->object->getSuggestedSolution($i);
if (count($solution)) {
if (preg_match("/il_(\\d*?)_(\\w+)_(\\d+)/", $solution["internal_link"], $matches)) {
$attrs = array("label" => "suggested_solution");
$a_xml_writer->xmlStartTag("material", $attrs);
$intlink = "il_" . IL_INST_ID . "_" . $matches[2] . "_" . $matches[3];
if (strcmp($matches[1], "") != 0) {
$intlink = $solution["internal_link"];
}
$a_xml_writer->xmlElement("mattext", NULL, $intlink);
$a_xml_writer->xmlEndTag("material");
}
}
$answeritem = $gap->getItem(0);
$attrs = array("fibtype" => "Decimal", "prompt" => "Box", "columns" => $gap->getGapSize());
if (is_object($answeritem)) {
if ($eval->e($answeritem->getLowerBound()) !== FALSE) {
$attrs["minnumber"] = $answeritem->getLowerBound();
}
if ($eval->e($answeritem->getUpperBound()) !== FALSE) {
$attrs["maxnumber"] = $answeritem->getUpperBound();
}
}
$a_xml_writer->xmlStartTag("render_fib", $attrs);
$a_xml_writer->xmlEndTag("render_fib");
$a_xml_writer->xmlEndTag("response_num");
break;
}
}
}
$a_xml_writer->xmlEndTag("flow");
$a_xml_writer->xmlEndTag("presentation");
// PART II: qti resprocessing
$a_xml_writer->xmlStartTag("resprocessing");
$a_xml_writer->xmlStartTag("outcomes");
$a_xml_writer->xmlStartTag("decvar");
$a_xml_writer->xmlEndTag("decvar");
$a_xml_writer->xmlEndTag("outcomes");
// add response conditions
for ($i = 0; $i < $this->object->getGapCount(); $i++) {
$gap = $this->object->getGap($i);
switch ($gap->getType()) {
case CLOZE_SELECT:
foreach ($gap->getItems() as $answer) {
$attrs = array("continue" => "Yes");
$a_xml_writer->xmlStartTag("respcondition", $attrs);
// qti conditionvar
$a_xml_writer->xmlStartTag("conditionvar");
$attrs = array("respident" => "gap_{$i}");
$a_xml_writer->xmlElement("varequal", $attrs, $answer->getAnswertext());
$a_xml_writer->xmlEndTag("conditionvar");
// qti setvar
$attrs = array("action" => "Add");
$a_xml_writer->xmlElement("setvar", $attrs, $answer->getPoints());
// qti displayfeedback
$linkrefid = "";
$linkrefid = "{$i}" . "_Response_" . $answer->getOrder();
$attrs = array("feedbacktype" => "Response", "linkrefid" => $linkrefid);
$a_xml_writer->xmlElement("displayfeedback", $attrs);
$a_xml_writer->xmlEndTag("respcondition");
}
break;
case CLOZE_TEXT:
foreach ($gap->getItems() as $answer) {
$attrs = array("continue" => "Yes");
$a_xml_writer->xmlStartTag("respcondition", $attrs);
// qti conditionvar
$a_xml_writer->xmlStartTag("conditionvar");
$attrs = array("respident" => "gap_{$i}");
$a_xml_writer->xmlElement("varequal", $attrs, $answer->getAnswertext());
$a_xml_writer->xmlEndTag("conditionvar");
// qti setvar
$attrs = array("action" => "Add");
$a_xml_writer->xmlElement("setvar", $attrs, $answer->getPoints());
// qti displayfeedback
$linkrefid = "{$i}" . "_Response_" . $answer->getOrder();
$attrs = array("feedbacktype" => "Response", "linkrefid" => $linkrefid);
$a_xml_writer->xmlElement("displayfeedback", $attrs);
$a_xml_writer->xmlEndTag("respcondition");
}
break;
case CLOZE_NUMERIC:
foreach ($gap->getItems() as $answer) {
$attrs = array("continue" => "Yes");
$a_xml_writer->xmlStartTag("respcondition", $attrs);
// qti conditionvar
$a_xml_writer->xmlStartTag("conditionvar");
$attrs = array("respident" => "gap_{$i}");
$a_xml_writer->xmlElement("varequal", $attrs, $answer->getAnswertext());
$a_xml_writer->xmlEndTag("conditionvar");
// qti setvar
$attrs = array("action" => "Add");
$a_xml_writer->xmlElement("setvar", $attrs, $answer->getPoints());
// qti displayfeedback
$linkrefid = "{$i}" . "_Response_" . $answer->getOrder();
$attrs = array("feedbacktype" => "Response", "linkrefid" => $linkrefid);
$a_xml_writer->xmlElement("displayfeedback", $attrs);
$a_xml_writer->xmlEndTag("respcondition");
}
break;
}
}
$feedback_allcorrect = $this->object->feedbackOBJ->getGenericFeedbackExportPresentation($this->object->getId(), true);
if (strlen($feedback_allcorrect)) {
$attrs = array("continue" => "Yes");
$a_xml_writer->xmlStartTag("respcondition", $attrs);
// qti conditionvar
$a_xml_writer->xmlStartTag("conditionvar");
for ($i = 0; $i < $this->object->getGapCount(); $i++) {
$gap = $this->object->getGap($i);
$indexes = $gap->getBestSolutionIndexes();
if ($i > 0) {
$a_xml_writer->xmlStartTag("and");
}
switch ($gap->getType()) {
case CLOZE_SELECT:
$k = 0;
foreach ($indexes as $key) {
if ($k > 0) {
$a_xml_writer->xmlStartTag("or");
}
$attrs = array("respident" => "gap_{$i}");
$answer = $gap->getItem($key);
$a_xml_writer->xmlElement("varequal", $attrs, $answer->getAnswertext());
if ($k > 0) {
$a_xml_writer->xmlEndTag("or");
}
$k++;
}
break;
case CLOZE_TEXT:
$k = 0;
foreach ($indexes as $key) {
if ($k > 0) {
$a_xml_writer->xmlStartTag("or");
}
$attrs = array("respident" => "gap_{$i}");
$answer = $gap->getItem($key);
$a_xml_writer->xmlElement("varequal", $attrs, $answer->getAnswertext());
if ($k > 0) {
$a_xml_writer->xmlEndTag("or");
}
$k++;
}
break;
case CLOZE_NUMERIC:
$k = 0;
foreach ($indexes as $key) {
if ($k > 0) {
$a_xml_writer->xmlStartTag("or");
}
$attrs = array("respident" => "gap_{$i}");
$answer = $gap->getItem($key);
$a_xml_writer->xmlElement("varequal", $attrs, $answer->getAnswertext());
if ($k > 0) {
$a_xml_writer->xmlEndTag("or");
}
$k++;
}
break;
}
if ($i > 0) {
$a_xml_writer->xmlEndTag("and");
}
}
$a_xml_writer->xmlEndTag("conditionvar");
// qti displayfeedback
$attrs = array("feedbacktype" => "Response", "linkrefid" => "response_allcorrect");
$a_xml_writer->xmlElement("displayfeedback", $attrs);
$a_xml_writer->xmlEndTag("respcondition");
}
$feedback_onenotcorrect = $this->object->feedbackOBJ->getGenericFeedbackExportPresentation($this->object->getId(), false);
if (strlen($feedback_onenotcorrect)) {
$attrs = array("continue" => "Yes");
$a_xml_writer->xmlStartTag("respcondition", $attrs);
// qti conditionvar
$a_xml_writer->xmlStartTag("conditionvar");
$a_xml_writer->xmlStartTag("not");
for ($i = 0; $i < $this->object->getGapCount(); $i++) {
$gap = $this->object->getGap($i);
$indexes = $gap->getBestSolutionIndexes();
if ($i > 0) {
$a_xml_writer->xmlStartTag("and");
}
switch ($gap->getType()) {
case CLOZE_SELECT:
$k = 0;
foreach ($indexes as $key) {
if ($k > 0) {
$a_xml_writer->xmlStartTag("or");
}
$attrs = array("respident" => "gap_{$i}");
$answer = $gap->getItem($key);
$a_xml_writer->xmlElement("varequal", $attrs, $answer->getAnswertext());
if ($k > 0) {
$a_xml_writer->xmlEndTag("or");
}
$k++;
}
break;
case CLOZE_TEXT:
$k = 0;
foreach ($indexes as $key) {
if ($k > 0) {
$a_xml_writer->xmlStartTag("or");
}
$attrs = array("respident" => "gap_{$i}");
$answer = $gap->getItem($key);
$a_xml_writer->xmlElement("varequal", $attrs, $answer->getAnswertext());
if ($k > 0) {
$a_xml_writer->xmlEndTag("or");
}
$k++;
}
break;
case CLOZE_NUMERIC:
$k = 0;
foreach ($indexes as $key) {
if ($k > 0) {
$a_xml_writer->xmlStartTag("or");
}
$attrs = array("respident" => "gap_{$i}");
$answer = $gap->getItem($key);
$a_xml_writer->xmlElement("varequal", $attrs, $answer->getAnswertext());
if ($k > 0) {
$a_xml_writer->xmlEndTag("or");
}
$k++;
}
break;
}
if ($i > 0) {
$a_xml_writer->xmlEndTag("and");
}
}
$a_xml_writer->xmlEndTag("not");
$a_xml_writer->xmlEndTag("conditionvar");
// qti displayfeedback
$attrs = array("feedbacktype" => "Response", "linkrefid" => "response_onenotcorrect");
$a_xml_writer->xmlElement("displayfeedback", $attrs);
$a_xml_writer->xmlEndTag("respcondition");
}
$a_xml_writer->xmlEndTag("resprocessing");
// PART III: qti itemfeedback
for ($i = 0; $i < $this->object->getGapCount(); $i++) {
$gap = $this->object->getGap($i);
switch ($gap->getType()) {
case CLOZE_SELECT:
break;
case CLOZE_TEXT:
break;
case CLOZE_NUMERIC:
break;
}
/*foreach ($gap->getItems() as $answer)
{
$linkrefid = "$i" . "_Response_" . $answer->getOrder();
$attrs = array(
"ident" => $linkrefid,
"view" => "All"
);
$a_xml_writer->xmlStartTag("itemfeedback", $attrs);
// qti flow_mat
$a_xml_writer->xmlStartTag("flow_mat");
// $a_xml_writer->xmlStartTag("material");
// $a_xml_writer->xmlElement("mattext");
// $a_xml_writer->xmlEndTag("material");
$fb = $this->object->feedbackOBJ->getSpecificAnswerFeedbackExportPresentation(
$this->object->getId(), $index
);
$this->object->addQTIMaterial($a_xml_writer, $fb);
$a_xml_writer->xmlEndTag("flow_mat");
$a_xml_writer->xmlEndTag("itemfeedback");
}*/
$attrs = array("ident" => $i, "view" => "All");
$a_xml_writer->xmlStartTag("itemfeedback", $attrs);
// qti flow_mat
$a_xml_writer->xmlStartTag("flow_mat");
// $a_xml_writer->xmlStartTag("material");
// $a_xml_writer->xmlElement("mattext");
// $a_xml_writer->xmlEndTag("material");
$fb = $this->object->feedbackOBJ->getSpecificAnswerFeedbackExportPresentation($this->object->getId(), $i);
$this->object->addQTIMaterial($a_xml_writer, $fb);
$a_xml_writer->xmlEndTag("flow_mat");
$a_xml_writer->xmlEndTag("itemfeedback");
}
if (strlen($feedback_allcorrect)) {
$attrs = array("ident" => "response_allcorrect", "view" => "All");
$a_xml_writer->xmlStartTag("itemfeedback", $attrs);
// qti flow_mat
$a_xml_writer->xmlStartTag("flow_mat");
$this->object->addQTIMaterial($a_xml_writer, $feedback_allcorrect);
$a_xml_writer->xmlEndTag("flow_mat");
$a_xml_writer->xmlEndTag("itemfeedback");
}
if (strlen($feedback_onenotcorrect)) {
$attrs = array("ident" => "response_onenotcorrect", "view" => "All");
$a_xml_writer->xmlStartTag("itemfeedback", $attrs);
// qti flow_mat
$a_xml_writer->xmlStartTag("flow_mat");
$this->object->addQTIMaterial($a_xml_writer, $feedback_onenotcorrect);
$a_xml_writer->xmlEndTag("flow_mat");
$a_xml_writer->xmlEndTag("itemfeedback");
}
$a_xml_writer->xmlEndTag("item");
$a_xml_writer->xmlEndTag("questestinterop");
$xml = $a_xml_writer->xmlDumpMem(FALSE);
if (!$a_include_header) {
$pos = strpos($xml, "?>");
$xml = substr($xml, $pos + 2);
}
return $xml;
}
/**
* Checks for a given value within the range
*
* Checks for a given value within the range
*
* @param double $value The value to check
*
* @return boolean TRUE if the value is in the range, FALSE otherwise
*
* @see $upperlimit
* @see $lowerlimit
*/
public function contains($value)
{
require_once './Services/Math/classes/class.EvalMath.php';
$eval = new EvalMath();
$eval->suppress_errors = TRUE;
$result = $eval->e($value);
if ($result === FALSE || $result === TRUE) {
return FALSE;
}
if ($result >= $eval->e($this->lowerlimit) && $result <= $eval->e($this->upperlimit)) {
return TRUE;
} else {
return FALSE;
}
}
$lang = array('en' => array('help' => 'Usage: %CMD% <expression>. Evaluate a mathematical expression and print results. Use _ and $ to referr to the last result.', '00' => '1 ... No ... 0 ... No ... UNDEFINED!', 'err_in' => 'Error in expression.', 'err_lib' => 'The "EvalMath" class by Miles Kaufmann is missing.'));
$plugin = Dog::getPlugin();
if ('' === ($message = $plugin->msg())) {
return $plugin->showHelp();
}
if (false !== ($last = Dog_Conf_Plug_User::getConf($plugin->getName(), Dog::getUID(), 'last', false))) {
$message = str_replace(array('_', '$'), $last, $message);
}
if ($message === '0^0') {
return $plugin->rply('00');
}
if ($message === 'pi') {
return $plugin->reply('4');
}
$path = GWF_PATH . 'core/inc/3p/EvalMath.php';
if (!Common::isFile($path)) {
return $plugin->rply('err_lib');
}
require_once $path;
$eval = new EvalMath();
if (false === ($result = $eval->e($message))) {
return $plugin->rply('err_in');
}
$result = sprintf('%.09f', $result);
if (strpos($result, '.') !== false) {
$result = rtrim($result, '0');
$result = rtrim($result, '.');
}
Dog_Conf_Plug_User::setConf($plugin->getName(), Dog::getUID(), 'last', $result);
Dog::reply($result);
function Evaluation($id, $value, $input, $exercise_id, $operatorData, $answer)
{
$m = new EvalMath();
$xml = simplexml_load_file($exercise_id) or die("Error: Cannot create object");
// $ops = array("==", "!=", "GE", "LE", "GT", "LT");
$count_options = $xml->input[$id]->count();
for ($i = 0; $i < $count_options; $i++) {
$operator = $xml->input[$id]->option[$i]->operator;
$equation = trim($xml->input[$id]->option[$i]->equation);
$data = explode(" ", $equation);
$operatorDT = "";
if ($operator == 'IF') {
if (strstr($equation, "and")) {
$content = explode("and", $equation);
$data1 = explode(" ", $content[0]);
$data2 = explode(" ", $content[1]);
if (evalStatement($data1, $input, $answer) and evalStatement($data2, $input, $answer)) {
return $xml->input[$id]->option[$i]->result;
}
} elseif (strstr($equation, "or")) {
$content = explode("or", $equation);
$data1 = explode(" ", $content[0]);
$data2 = explode(" ", $content[1]);
if (evalStatement($data1, $input, $answer) or evalStatement($data2, $input, $answer)) {
return $xml->input[$id]->option[$i]->result;
}
} else {
if (evalStatement($data, $input, $answer)) {
return $xml->input[$id]->option[$i]->result;
}
}
} else {
$equation = "";
foreach ($data as $element) {
if (is_numeric($element)) {
$equation .= $element;
} else {
if ($element[0] == 'o') {
$operatorDT = ltrim($element, "o");
} elseif ($element[0] == 'v') {
$trimmed = intval(ltrim($element, "v"));
$equation .= $input[$trimmed];
} elseif ($element[0] == 'a') {
$trimmed = intval(ltrim($element, "a"));
$equation .= $answer[$trimmed - 1];
} else {
$equation .= $element;
}
}
}
if (strstr($equation, "mcm")) {
$valor = explode(",", substr($equation, 3));
$equation_result = mcm(intval($valor[0]), intval($valor[1]));
} elseif (strstr($equation, "smn")) {
$valor = explode(",", substr($equation, 3));
$equation_result = smn(intval($valor[0]), intval($valor[1]));
} elseif (strstr($equation, "smd")) {
$valor = explode(",", substr($equation, 3));
$equation_result = smd(intval($valor[0]), intval($valor[1]));
} elseif (strstr($equation, "cod")) {
$valor = explode(",", substr($equation, 3));
$equation_result = cod(intval($valor[0]), intval($valor[1]));
} elseif (strstr($equation, "red")) {
$valor = explode(",", substr($equation, 3));
$equation_result = red(intval($valor[0]), intval($valor[1]));
} elseif (strstr($equation, "txt")) {
$valor = explode(",", substr($equation, 3));
$equation_result = txt($valor[0], $valor[1]);
} else {
$equation_result = $m->evaluate($equation);
}
if ($operatorDT == "") {
$operatorData = "";
}
// return strval($equation_result);
switch ($operator) {
case "==":
if ($equation_result == $value && $operatorDT == $operatorData) {
return $xml->input[$id]->option[$i]->result;
$i = $count_options;
}
break;
case "!=":
if ($equation_result != $value && $operatorDT == $operatorData) {
return $xml->input[$id]->option[$i]->result;
$i = $count_options;
}
break;
case "GT":
if ($equation_result > $value && $operatorDT == $operatorData) {
return $xml->input[$id]->option[$i]->result;
$i = $count_options;
}
break;
case "GE":
if ($equation_result >= $value && $operatorDT == $operatorData) {
return $xml->input[$id]->option[$i]->result;
$i = $count_options;
}
break;
case "LT":
if ($equation_result < $value && $operatorDT == $operatorData) {
return $xml->input[$id]->option[$i]->result;
$i = $count_options;
}
break;
case "LE":
if ($equation_result <= $value && $operatorDT == $operatorData) {
return $xml->input[$id]->option[$i]->result;
$i = $count_options;
}
break;
}
// SWITCH
}
// else IF
}
// option's LOOP
}
public function checkInput()
{
$error = false;
$json = json_decode(ilUtil::stripSlashes($_POST['gap_json_post']));
$_POST['gap'] = ilUtil::stripSlashesRecursive($_POST['gap']);
$gaps_used_in_combination = array();
if (array_key_exists('gap_combination', $_POST)) {
$_POST['gap_combination'] = ilUtil::stripSlashesRecursive($_POST['gap_combination']);
$_POST['gap_combination_values'] = ilUtil::stripSlashesRecursive($_POST['gap_combination_values']);
$gap_with_points = array();
for ($i = 0; $i < count($_POST['gap_combination']['select']); $i++) {
foreach ($_POST['gap_combination']['select'][$i] as $key => $item) {
if ($item == 'none_selected_minus_one') {
return false;
}
$gaps_used_in_combination[$item] = $item;
$check_points_for_best_scoring = false;
foreach ($_POST['gap_combination_values'][$i] as $index => $answeritems) {
foreach ($answeritems as $answeritem) {
if ($answeritem == 'none_selected_minus_one') {
return false;
}
}
$points = $_POST['gap_combination']['points'][$i][$index];
if ($points > 0) {
$check_points_for_best_scoring = true;
}
}
if (!$check_points_for_best_scoring) {
return false;
}
}
}
}
if (isset($_POST['gap']) && is_array($_POST['gap'])) {
foreach ($_POST['gap'] as $key => $item) {
$_POST['clozetype_' . $key] = ilUtil::stripSlashes($_POST['clozetype_' . $key]);
$getType = $_POST['clozetype_' . $key];
$gapsize = $_POST['gap_' . $key . '_gapsize'];
$json[0][$key]->text_field_length = $gapsize > 0 ? $gapsize : '';
if ($getType == CLOZE_TEXT || $getType == CLOZE_SELECT) {
$_POST['gap_' . $key] = ilUtil::stripSlashesRecursive($_POST['gap_' . $key]);
$gapText = $_POST['gap_' . $key];
foreach ($gapText['answer'] as $row => $answer) {
if (!isset($answer) || $answer == '') {
$error = true;
}
}
$points_sum = 0;
if (array_key_exists('points', $gapText)) {
foreach ($gapText['points'] as $row => $points) {
if (isset($points) && $points != '' && is_numeric($points)) {
$points_sum += $points;
} else {
$error = true;
}
}
if (is_array($gap_with_points) && array_key_exists($key, $gap_with_points)) {
$points_sum += $gap_with_points[$key];
}
if ($points_sum == 0) {
if (!array_key_exists($key, $gaps_used_in_combination)) {
$error = true;
}
}
if ($getType == CLOZE_SELECT) {
$_POST['shuffle_' . $key] = ilUtil::stripSlashes($_POST['shuffle_' . $key]);
if (!isset($_POST['shuffle_' . $key])) {
$error = true;
}
}
} else {
$error = true;
}
}
if ($getType == CLOZE_NUMERIC) {
$_POST['gap_' . $key . 'numeric'] = ilUtil::stripSlashes($_POST['gap_' . $key . 'numeric'], FALSE);
$_POST['gap_' . $key . 'numeric_lower'] = ilUtil::stripSlashes($_POST['gap_' . $key . 'numeric_lower'], FALSE);
$_POST['gap_' . $key . 'numeric_upper'] = ilUtil::stripSlashes($_POST['gap_' . $key . 'numeric_upper'], FALSE);
$_POST['gap_' . $key . 'numeric_points'] = ilUtil::stripSlashes($_POST['gap_' . $key . 'numeric_points']);
$mark_errors = array('answer' => false, 'lower' => false, 'upper' => false, 'points' => false);
$eval = new EvalMath();
$eval->suppress_errors = true;
$formula = $_POST['gap_' . $key . '_numeric'];
$result = $eval->e(str_replace(',', '.', $_POST['gap_' . $key . '_numeric'], $formula));
if ($result === false) {
$error = true;
}
$lower = $_POST['gap_' . $key . '_numeric_lower'];
$assClozeTestObject = new assClozeTest();
$has_valid_chars = $assClozeTestObject->checkForValidFormula($lower);
$result = $eval->e(str_replace(',', '.', $lower), FALSE);
if ($result === false || !$has_valid_chars) {
$error = true;
}
$_POST['gap_' . $key . '_numeric_lower'] = $result;
$result = $eval->e(str_replace(',', '.', $_POST['gap_' . $key . '_numeric_upper']), FALSE);
if ($result === false) {
$error = true;
}
$_POST['gap_' . $key . '_numeric_upper'] = $result;
$points = $_POST['gap_' . $key . '_numeric_points'];
if (is_array($gap_with_points) && array_key_exists($key, $gap_with_points)) {
$points += $gap_with_points[$key];
}
if (!isset($points) || $points == '' || !is_numeric($points) || $points == 0) {
if (!array_key_exists($key, $gaps_used_in_combination)) {
$error = true;
}
}
$json[0][$key]->values[0]->error = $mark_errors;
}
}
}
$_POST['gap_json_post'] = json_encode($json);
return !$error;
}
include $_SERVER['DOCUMENT_ROOT'] . '/TBSIM/Core/Config/SessionStart.php';
include $_SERVER['DOCUMENT_ROOT'] . '/TBSIM/Core/Config/Config.php';
$DBM = $_SESSION['DB'];
$iname = $_REQUEST['iname'];
$equation = $_REQUEST['equation'];
$equationval = $_REQUEST['equationval'];
$_SESSION['equation'] = $equation;
$_SESSION['equationval'] = $equationval;
$_SESSION['iname'] = $iname;
if (isset($_REQUEST['ComputeValues'])) {
$X = '';
$Val = '';
include 'evalmath.class.php';
$equation = preg_replace("/(^[\r\n]*|[\r\n]+)[\\s\t]*[\r\n]+/", "\n", $equation);
$equation = str_replace(' ', '', $equation);
$m = new EvalMath();
$m->suppress_errors = true;
$Tch = explode("\n", $equation);
foreach ($Tch as $value) {
$X = explode("=", $value);
$res = $m->evaluate($value);
// echo $res."<br>";
if ($X[0] != '') {
$Val = $Val . $X[0] . "=" . $res . "\n";
}
}
$Val = preg_replace("/(^[\r\n]*|[\r\n]+)[\\s\t]*[\r\n]+/", "\n", $Val);
$Val = str_replace(' ', '', $Val);
mysql_select_db("{$DBM}");
$req = "UPDATE `indicator` SET `iequation` ='{$equation}',`ivalues` ='{$Val}' WHERE iname='{$iname}'";
mysql_query($req);
public function isValidSolutionSubmit($numeric_solution)
{
require_once './Services/Math/classes/class.EvalMath.php';
$math = new EvalMath();
$math->suppress_errors = TRUE;
$result = $math->evaluate($numeric_solution);
return !(($result === FALSE || $result === TRUE) && strlen($numeric_solution) > 0);
}
/**
* Returns the points, a learner has reached answering the question.
* The points are calculated from the given answers.
*
* @access public
* @param integer $active_id
* @param integer $pass
* @param boolean $returndetails (deprecated !!)
* @return integer/array $points/$details (array $details is deprecated !!)
*/
public function calculateReachedPoints($active_id, $pass = NULL, $returndetails = FALSE)
{
global $ilDB;
$found_value1 = array();
$found_value2 = array();
$detailed = array();
if (is_null($pass)) {
$pass = $this->getSolutionMaxPass($active_id);
}
$result = $ilDB->queryF("SELECT * FROM tst_solutions WHERE active_fi = %s AND question_fi = %s AND pass = %s", array("integer", "integer", "integer"), array($active_id, $this->getId(), $pass));
$user_result = array();
while ($data = $ilDB->fetchAssoc($result)) {
if (strcmp($data["value2"], "") != 0) {
$user_result[$data["value1"]] = array("gap_id" => $data["value1"], "value" => $data["value2"]);
}
}
$points = 0;
$counter = 0;
$solution_values_text = array();
// for identical scoring checks
$solution_values_select = array();
// for identical scoring checks
$solution_values_numeric = array();
// for identical scoring checks
foreach ($user_result as $gap_id => $value) {
if (array_key_exists($gap_id, $this->gaps)) {
switch ($this->gaps[$gap_id]->getType()) {
case CLOZE_TEXT:
$gappoints = 0;
for ($order = 0; $order < $this->gaps[$gap_id]->getItemCount(); $order++) {
$answer = $this->gaps[$gap_id]->getItem($order);
$gotpoints = $this->getTextgapPoints($answer->getAnswertext(), $value["value"], $answer->getPoints());
if ($gotpoints > $gappoints) {
$gappoints = $gotpoints;
}
}
if (!$this->getIdenticalScoring()) {
// check if the same solution text was already entered
if (in_array($value["value"], $solution_values_text) && $gappoints > 0) {
$gappoints = 0;
}
}
$points += $gappoints;
$detailed[$gap_id] = array("points" => $gappoints, "best" => $this->getMaximumGapPoints($gap_id) == $gappoints ? TRUE : FALSE, "positive" => $gappoints > 0 ? TRUE : FALSE);
array_push($solution_values_text, $value["value"]);
break;
case CLOZE_NUMERIC:
$gappoints = 0;
for ($order = 0; $order < $this->gaps[$gap_id]->getItemCount(); $order++) {
$answer = $this->gaps[$gap_id]->getItem($order);
$gotpoints = $this->getNumericgapPoints($answer->getAnswertext(), $value["value"], $answer->getPoints(), $answer->getLowerBound(), $answer->getUpperBound());
if ($gotpoints > $gappoints) {
$gappoints = $gotpoints;
}
}
if (!$this->getIdenticalScoring()) {
// check if the same solution value was already entered
include_once "./Services/Math/classes/class.EvalMath.php";
$eval = new EvalMath();
$eval->suppress_errors = TRUE;
$found_value = FALSE;
foreach ($solution_values_numeric as $solval) {
if ($eval->e($solval) == $eval->e($value["value"])) {
$found_value = TRUE;
}
}
if ($found_value && $gappoints > 0) {
$gappoints = 0;
}
}
$points += $gappoints;
$detailed[$gap_id] = array("points" => $gappoints, "best" => $this->getMaximumGapPoints($gap_id) == $gappoints ? TRUE : FALSE, "positive" => $gappoints > 0 ? TRUE : FALSE);
array_push($solution_values_numeric, $value["value"]);
break;
case CLOZE_SELECT:
if ($value["value"] >= 0) {
for ($order = 0; $order < $this->gaps[$gap_id]->getItemCount(); $order++) {
$answer = $this->gaps[$gap_id]->getItem($order);
if ($value["value"] == $answer->getOrder()) {
$answerpoints = $answer->getPoints();
if (!$this->getIdenticalScoring()) {
// check if the same solution value was already entered
if (in_array($answer->getAnswertext(), $solution_values_select) && $answerpoints > 0) {
$answerpoints = 0;
}
}
$points += $answerpoints;
$detailed[$gap_id] = array("points" => $answerpoints, "best" => $this->getMaximumGapPoints($gap_id) == $answerpoints ? TRUE : FALSE, "positive" => $answerpoints > 0 ? TRUE : FALSE);
array_push($solution_values_select, $answer->getAnswertext());
}
}
}
break;
}
}
}
if ($returndetails) {
return $detailed;
} else {
return $points;
}
}
protected function getNumericValueFromAnswerText()
{
include_once "./Services/Math/classes/class.EvalMath.php";
$eval = new EvalMath();
$eval->suppress_errors = true;
return $eval->e(str_replace(",", ".", ilUtil::stripSlashes($this->getAnswertext(), FALSE)));
}
public function testInvalidExpressions()
{
$Eval = new EvalMath();
$Eval->suppress_errors = true;
$result = $Eval->evaluate('()');
$this->assertEqual($Eval->getLastError(), 'Unexpected \')\'');
$result = $Eval->evaluate('1)');
$this->assertEqual($Eval->getLastError(), 'Unexpected \')\'');
$result = $Eval->evaluate('((');
$this->assertEqual($Eval->getLastError(), 'Expecting \')\'');
$result = $Eval->evaluate('2+3+');
$this->assertEqual($Eval->getLastError(), 'Operator \'+\' lacks operand');
$Eval->suppress_errors = false;
$this->expectError('Unexpected \',\'');
$result = $Eval->evaluate('a(1,2');
$this->assertEqual($Eval->getLastError(), 'Unexpected \',\'');
$this->assertIdentical(false, $result);
$this->expectError('Illegal character \'#\'');
$result = $Eval->evaluate('#');
$this->assertEqual($Eval->getLastError(), 'Illegal character \'#\'');
$this->assertIdentical(false, $result);
$this->expectError('Wrong number of arguments (3 given, 2 expected)');
$Eval->evaluate('f(x,y) = x+y');
$result = $Eval->evaluate('f(2,3,4)');
$this->assertEqual($Eval->getLastError(), 'Wrong number of arguments (3 given, 2 expected)');
$this->assertIdentical(false, $result);
$this->expectError('Too many arguments (2 given, 1 expected)');
$result = $Eval->evaluate('log(2,1)');
$this->assertEqual($Eval->getLastError(), 'Too many arguments (2 given, 1 expected)');
$this->assertIdentical(false, $result);
$this->expectError('Undefined variable \'z\' in function definition');
$result = $Eval->evaluate('f(x,y) = x+y+z');
$this->assertEqual($Eval->getLastError(), 'Undefined variable \'z\' in function definition');
$this->assertIdentical(false, $result);
unset($Eval);
}
function validate($errors, $field)
{
if ($field->type == 'user_id') {
// make sure we have a user ID
if (!is_numeric($_POST['item_meta'][$field->id])) {
$_POST['item_meta'][$field->id] = FrmProAppHelper::get_user_id_param($_POST['item_meta'][$field->id]);
}
//add user id to post variables to be saved with entry
$_POST['frm_user_id'] = $_POST['item_meta'][$field->id];
} else {
if ($field->type == 'time' and is_array($_POST['item_meta'][$field->id])) {
$_POST['item_meta'][$field->id] = $value = $_POST['item_meta'][$field->id]['H'] . ':' . $_POST['item_meta'][$field->id]['m'] . (isset($_POST['item_meta'][$field->id]['A']) ? ' ' . $_POST['item_meta'][$field->id]['A'] : '');
}
}
// don't validate if going backwards
if (FrmProFormsHelper::going_to_prev($field->form_id)) {
return array();
}
// clear any existing errors if draft
if (FrmProFormsHelper::saving_draft($field->form_id) && isset($errors['field' . $field->id])) {
unset($errors['field' . $field->id]);
}
//if the field is a file upload, check for a file
if ($field->type == 'file' && isset($_FILES['file' . $field->id]) && !empty($_FILES['file' . $field->id]['name'])) {
$filled = true;
if (is_array($_FILES['file' . $field->id]['name'])) {
$filled = false;
foreach ($_FILES['file' . $field->id]['name'] as $n) {
if (!empty($n)) {
$filled = true;
}
}
}
if ($filled) {
if (isset($errors['field' . $field->id])) {
unset($errors['field' . $field->id]);
}
if (isset($field->field_options['restrict']) && $field->field_options['restrict'] && isset($field->field_options['ftypes']) && !empty($field->field_options['ftypes'])) {
$mimes = $field->field_options['ftypes'];
} else {
$mimes = null;
}
//check allowed mime types for this field
if (is_array($_FILES['file' . $field->id]['name'])) {
foreach ($_FILES['file' . $field->id]['name'] as $name) {
if (empty($name)) {
continue;
}
$file_type = wp_check_filetype($name, $mimes);
unset($name);
if (!$file_type['ext']) {
break;
}
}
} else {
$file_type = wp_check_filetype($_FILES['file' . $field->id]['name'], $mimes);
}
if (isset($file_type) && !$file_type['ext']) {
$errors['field' . $field->id] = $field->field_options['invalid'] == __('This field is invalid', 'formidable') || $field->field_options['invalid'] == '' || $field->field_options['invalid'] == $field->name . ' ' . __('is invalid', 'formidable') ? __('Sorry, this file type is not permitted for security reasons.', 'formidable') : $field->field_options['invalid'];
}
unset($file_type);
}
unset($filled);
}
// if saving draft, only check file type since it won't be checked later
if (FrmProFormsHelper::saving_draft($field->form_id)) {
return $errors;
}
if (in_array($field->type, array('break', 'html', 'divider'))) {
$hidden = FrmProFieldsHelper::is_field_hidden($field, stripslashes_deep($_POST));
global $frm_hidden_break, $frm_hidden_divider;
if ($field->type == 'break') {
$frm_hidden_break = array('field_order' => $field->field_order, 'hidden' => $hidden);
} else {
if ($field->type == 'divider') {
$frm_hidden_divider = array('field_order' => $field->field_order, 'hidden' => $hidden);
}
}
if (isset($errors['field' . $field->id])) {
unset($errors['field' . $field->id]);
}
}
$value = $_POST['item_meta'][$field->id];
if (($field->type != 'tag' and $value == 0 or $field->type == 'tag' and $value == '') and isset($field->field_options['post_field']) and $field->field_options['post_field'] == 'post_category' and $field->required == '1') {
global $frm_settings;
$errors['field' . $field->id] = (!isset($field->field_options['blank']) or $field->field_options['blank'] == '' or $field->field_options['blank'] == 'Untitled cannot be blank') ? $frm_settings->blank_msg : $field->field_options['blank'];
}
//Don't require fields hidden with shortcode fields="25,26,27"
global $frm_vars;
if (isset($frm_vars['show_fields']) and !empty($frm_vars['show_fields']) and is_array($frm_vars['show_fields']) and $field->required == '1' and isset($errors['field' . $field->id]) and !in_array($field->id, $frm_vars['show_fields']) and !in_array($field->field_key, $frm_vars['show_fields'])) {
unset($errors['field' . $field->id]);
$_POST['item_meta'][$field->id] = $value = '';
}
//Don't require a conditionally hidden field
if (isset($field->field_options['hide_field']) and !empty($field->field_options['hide_field'])) {
if (FrmProFieldsHelper::is_field_hidden($field, stripslashes_deep($_POST))) {
if (isset($errors['field' . $field->id])) {
unset($errors['field' . $field->id]);
}
$_POST['item_meta'][$field->id] = $value = '';
}
}
//Don't require a field hidden in a conditional page or section heading
if (isset($errors['field' . $field->id]) or $_POST['item_meta'][$field->id] != '') {
global $frm_hidden_break, $frm_hidden_divider;
if ($frm_hidden_break and $frm_hidden_break['hidden'] or $frm_hidden_divider and $frm_hidden_divider['hidden'] and (!$frm_hidden_break or $frm_hidden_break['field_order'] < $frm_hidden_divider['field_order'])) {
if (isset($errors['field' . $field->id])) {
unset($errors['field' . $field->id]);
}
$_POST['item_meta'][$field->id] = $value = '';
}
}
//make sure the [auto_id] is still unique
if (!empty($field->default_value) and !is_array($field->default_value) and !empty($value) and is_numeric($value) and strpos($field->default_value, '[auto_id') !== false) {
//make sure we are not editing
if (isset($_POST) and !isset($_POST['id']) or !is_numeric($_POST['id'])) {
$_POST['item_meta'][$field->id] = $value = FrmProFieldsHelper::get_default_value($field->default_value, $field);
}
}
//check uniqueness
if ($value and !empty($value) and isset($field->field_options['unique']) and $field->field_options['unique']) {
$entry_id = (isset($_POST) and isset($_POST['id'])) ? $_POST['id'] : false;
if ($field->type == 'time') {
//TODO: add server-side validation for unique date-time
} else {
if ($field->type == 'date') {
global $frmpro_settings;
$old_value = $value;
if (!preg_match('/^\\d{4}-\\d{2}-\\d{2}$/', trim($value))) {
$value = FrmProAppHelper::convert_date($value, $frmpro_settings->date_format, 'Y-m-d');
}
if (FrmProEntryMetaHelper::value_exists($field->id, $value, $entry_id)) {
$errors['field' . $field->id] = FrmProFieldsHelper::get_error_msg($field, 'unique_msg');
}
$value = $old_value;
} else {
if (FrmProEntryMetaHelper::value_exists($field->id, $value, $entry_id)) {
$errors['field' . $field->id] = FrmProFieldsHelper::get_error_msg($field, 'unique_msg');
}
}
}
unset($entry_id);
}
// validate number settings
if ('number' == $field->type && $value != '') {
global $frm_settings;
// only check if options are available in settings
if ($frm_settings->use_html && isset($field->field_options['minnum']) && isset($field->field_options['maxnum'])) {
//minnum maxnum
if ((double) $value < $field->field_options['minnum']) {
$errors['field' . $field->id] = __('Please select a higher number', 'formidable');
} else {
if ((double) $value > $field->field_options['maxnum']) {
$errors['field' . $field->id] = __('Please select a lower number', 'formidable');
}
}
}
}
if (!empty($value) and ($field->type == 'website' or $field->type == 'url' or $field->type == 'image')) {
if (trim($value) == 'http://') {
$_POST['item_meta'][$field->id] = $value = '';
} else {
$value = esc_url_raw($value);
$_POST['item_meta'][$field->id] = $value = preg_match('/^(https?|ftps?|mailto|news|feed|telnet):/is', $value) ? $value : 'http://' . $value;
}
}
$errors = FrmProEntryMetaHelper::set_post_fields($field, $value, $errors);
if (!FrmProFieldsHelper::is_field_visible_to_user($field)) {
//don't validate admin only fields that can't be seen
unset($errors['field' . $field->id]);
return $errors;
}
if (false and isset($field->field_options['use_calc']) and !empty($field->field_options['use_calc']) and !empty($field->field_options['calc'])) {
$field->field_options['calc'] = trim($field->field_options['calc']);
preg_match_all("/\\[(.*?)\\]/s", $field->field_options['calc'], $calc_matches, PREG_PATTERN_ORDER);
if (isset($calc_matches[1])) {
foreach ($calc_matches[1] as $c) {
if (is_numeric($c)) {
$c_id = $c;
} else {
global $frm_field;
$c_field = $frm_field->getOne($c);
if (!$c_field) {
$field->field_options['calc'] = str_replace('[' . $c . ']', 0, $field->field_options['calc']);
continue;
}
$c_id = $c_field->id;
unset($c_field);
}
$c_val = trim($_POST['item_meta'][$c_id]);
if (!is_numeric($c_val)) {
preg_match_all('/[0-9,]*\\.?[0-9]+/', $c_val, $c_matches);
$c_val = $c_matches ? end($c_matches[0]) : 0;
unset($c_matches);
}
if ($c_val == '') {
$c_val = 0;
}
$field->field_options['calc'] = str_replace('[' . $c . ']', $c_val, $field->field_options['calc']);
unset($c);
unset($c_id);
}
include FrmAppHelper::plugin_path() . '/pro/classes/helpers/FrmProMathHelper.php';
$m = new EvalMath();
if (strpos($field->field_options['calc'], ').toFixed(')) {
$field->field_options['calc'] = str_replace(').toFixed(2', '', $field->field_options['calc']);
$round = 2;
}
$result = $m->evaluate(str_replace('Math.', '', '(' . $field->field_options['calc'] . ')'));
if (isset($round) and $round) {
$result = sprintf('%.' . $round . 'f', $result);
}
unset($m);
$_POST['item_meta'][$field->id] = $value = $result;
unset($result);
}
unset($calc_matches);
}
//Don't validate the format if field is blank
if ($value == '' or is_array($value)) {
return $errors;
}
$value = trim($value);
//validate the format
if ($field->type == 'number' and !is_numeric($value) or $field->type == 'email' and !is_email($value) or ($field->type == 'website' or $field->type == 'url' or $field->type == 'image') and !preg_match('/^http(s)?:\\/\\/([\\da-z\\.-]+)\\.([\\da-z\\.-]+)/i', $value)) {
$errors['field' . $field->id] = FrmProFieldsHelper::get_error_msg($field, 'invalid');
}
if ($field->type == 'phone') {
$pattern = (isset($field->field_options['format']) and !empty($field->field_options['format'])) ? $field->field_options['format'] : '^((\\+\\d{1,3}(-|.| )?\\(?\\d\\)?(-| |.)?\\d{1,5})|(\\(?\\d{2,6}\\)?))(-|.| )?(\\d{3,4})(-|.| )?(\\d{4})(( x| ext)\\d{1,5}){0,1}$';
$pattern = apply_filters('frm_phone_pattern', $pattern, $field);
//check if format is already a regular expression
if (strpos($pattern, '^') !== 0) {
//if not, create a regular expression
$pattern = preg_replace('/\\d/', '\\d', preg_quote($pattern));
$pattern = '/^' . $pattern . '$/';
} else {
$pattern = '/' . $pattern . '/';
}
if (!preg_match($pattern, $value)) {
$errors['field' . $field->id] = FrmProFieldsHelper::get_error_msg($field, 'invalid');
}
unset($pattern);
}
if ($field->type == 'date') {
if (!preg_match('/^\\d{4}-\\d{2}-\\d{2}$/', $value)) {
global $frmpro_settings;
$formated_date = FrmProAppHelper::convert_date($value, $frmpro_settings->date_format, 'Y-m-d');
//check format before converting
if ($value != date($frmpro_settings->date_format, strtotime($formated_date))) {
$errors['field' . $field->id] = FrmProFieldsHelper::get_error_msg($field, 'invalid');
}
$value = $formated_date;
unset($formated_date);
}
$date = explode('-', $value);
if (count($date) != 3 or !checkdate((int) $date[1], (int) $date[2], (int) $date[0])) {
$errors['field' . $field->id] = FrmProFieldsHelper::get_error_msg($field, 'invalid');
}
}
return $errors;
}
function decomposer($equation)
{
$fb = array('sin', 'cos', 'tan', 'sqrt', 'abs', 'ln', 'log', 'exp');
$bg = array('sinh', 'arcsin', 'asin', 'arcsinh', 'asinh', 'cosh', 'arccos', 'acos', 'arccosh', 'acosh', 'tanh', 'arctan', 'atan', 'arctanh', 'atanh');
$c = array('+', '-', '(', ')', '/', '*', '^');
$numeric = array('1', '2', '3', '4', '5', '6', '7', '8', '9', '0');
$X = explode('=', $equation);
$output = $X[0];
$Y = $X[1];
foreach ($numeric as $key => $v) {
$Y = str_replace($v, '#', $Y);
}
foreach ($c as $key => $v) {
$Y = str_replace($v, '#', $Y);
}
foreach ($bg as $key => $v) {
$Y = str_replace($v, '#', $Y);
}
foreach ($fb as $key => $v) {
$Y = str_replace($v, '#', $Y);
}
$Y = str_replace(' ', '', $Y);
for ($i = 0; $i < strlen($Y); $i++) {
if ($Y[$i] == '#') {
for ($j = $i + 1; $j < strlen($Y); $j++) {
if ($Y[$j] == '#') {
$Y[$j] = ' ';
} else {
break;
}
}
}
}
$Y = str_replace(' ', '', $Y);
$input = '';
if ($Y[0] == '#') {
for ($i = 1; $i < strlen($Y); $i++) {
$input = $input . $Y[$i];
}
} else {
$input = $Y;
}
$input = explode('#', $input);
$input = array_unique($input);
$j = 0;
for ($i = 0; $i < sizeof($input); $i++) {
if (strlen($input[$i]) != 0) {
$INPUT[$j] = $input[$i];
$j++;
}
}
$f = $X[1];
foreach ($INPUT as $key => $value) {
$kamich = rand(1, 5);
$f = str_replace($value, "{$kamich}", $f);
}
$m = new EvalMath();
$m->suppress_errors = true;
$res = $m->evaluate($f);
if ($res == false) {
$result = array("Er" => "Somthing Wrong with your Equation");
} else {
$result = array("output" => $output, "input" => json_encode($INPUT));
}
echo json_encode($result);
}
/**
* Calculates price based on expression
*
* @param Product $product The Product object to get information
* @param String $expression The expression to parse
* @param array $values Strings to replaces
* @return int > 0 if OK, < 1 if KO
*/
public function parseExpression($product, $expression, $values)
{
global $user;
//Accessible product values by expressions
$values = array_merge($values, array("tva_tx" => $product->tva_tx, "localtax1_tx" => $product->localtax1_tx, "localtax2_tx" => $product->localtax2_tx, "weight" => $product->weight, "length" => $product->length, "surface" => $product->surface, "price_min" => $product->price_min));
//Retrieve all extrafield for product and add it to values
$extrafields = new ExtraFields($this->db);
$extralabels = $extrafields->fetch_name_optionals_label('product', true);
$product->fetch_optionals($product->id, $extralabels);
foreach ($extrafields->attribute_label as $key => $label) {
$values["extrafield_" . $key] = $product->array_options['options_' . $key];
}
//Process any pending updaters
$price_updaters = new PriceGlobalVariableUpdater($this->db);
foreach ($price_updaters->listPendingUpdaters() as $entry) {
//Schedule the next update by adding current timestamp (secs) + interval (mins)
$entry->update_next_update(dol_now() + $entry->update_interval * 60, $user);
//Do processing
$res = $entry->process();
//Store any error or clear status if OK
$entry->update_status($res < 1 ? $entry->error : '', $user);
}
//Get all global values
$price_globals = new PriceGlobalVariable($this->db);
foreach ($price_globals->listGlobalVariables() as $entry) {
$values["global_" . $entry->code] = $entry->value;
}
//Check if empty
$expression = trim($expression);
if (empty($expression)) {
$this->error = array(20, null);
return -2;
}
//Prepare the lib, parameters and values
$em = new EvalMath();
$em->suppress_errors = true;
//Don't print errors on page
$this->error_expr = null;
$last_result = null;
//Iterate over each expression splitted by $separator_chr
$expression = str_replace("\n", $this->separator_chr, $expression);
foreach ($values as $key => $value) {
$expression = str_replace($this->special_chr . $key . $this->special_chr, "{$value}", $expression);
}
$expressions = explode($this->separator_chr, $expression);
$expressions = array_slice($expressions, 0, $this->limit);
foreach ($expressions as $expr) {
$expr = trim($expr);
if (!empty($expr)) {
$last_result = $em->evaluate($expr);
$this->error = $em->last_error_code;
if ($this->error !== null) {
//$em->last_error is null if no error happened, so just check if error is not null
$this->error_expr = $expr;
return -3;
}
}
}
$vars = $em->vars();
if (empty($vars["price"])) {
$vars["price"] = $last_result;
}
if (!isset($vars["price"])) {
$this->error = array(21, $expression);
return -4;
}
if ($vars["price"] < 0) {
$this->error = array(22, $expression);
return -5;
}
return $vars["price"];
}
/**
* Saves the learners input of the question to the database.
*
* @access public
* @param integer $active_id Active id of the user
* @param integer $pass Test pass
* @return boolean $status
*/
public function saveWorkingData($active_id, $pass = NULL)
{
global $ilDB;
global $ilUser;
if (is_null($pass)) {
include_once "./Modules/Test/classes/class.ilObjTest.php";
$pass = ilObjTest::_getPass($active_id);
}
$entered_values = 0;
$numeric_result = str_replace(",", ".", $_POST["numeric_result"]);
include_once "./Services/Math/classes/class.EvalMath.php";
$math = new EvalMath();
$math->suppress_errors = TRUE;
$result = $math->evaluate($numeric_result);
$returnvalue = true;
if (($result === FALSE || $result === TRUE) && strlen($result) > 0) {
ilUtil::sendInfo($this->lng->txt("err_no_numeric_value"), true);
$returnvalue = false;
}
$result = $ilDB->queryF("SELECT solution_id FROM tst_solutions WHERE active_fi = %s AND question_fi = %s AND pass = %s", array('integer', 'integer', 'integer'), array($active_id, $this->getId(), $pass));
$row = $ilDB->fetchAssoc($result);
$update = $row["solution_id"];
if ($update) {
if (strlen($numeric_result)) {
$affectedRows = $ilDB->update("tst_solutions", array("value1" => array("clob", trim($numeric_result)), "tstamp" => array("integer", time())), array("solution_id" => array("integer", $update)));
$entered_values++;
} else {
$affectedRows = $ilDB->manipulateF("DELETE FROM tst_solutions WHERE solution_id = %s", array('integer'), array($update));
}
} else {
if (strlen($numeric_result)) {
$next_id = $ilDB->nextId('tst_solutions');
$affectedRows = $ilDB->insert("tst_solutions", array("solution_id" => array("integer", $next_id), "active_fi" => array("integer", $active_id), "question_fi" => array("integer", $this->getId()), "value1" => array("clob", trim($numeric_result)), "value2" => array("clob", null), "pass" => array("integer", $pass), "tstamp" => array("integer", time())));
$entered_values++;
}
}
if ($entered_values) {
include_once "./Modules/Test/classes/class.ilObjAssessmentFolder.php";
if (ilObjAssessmentFolder::_enabledAssessmentLogging()) {
$this->logAction($this->lng->txtlng("assessment", "log_user_entered_values", ilObjAssessmentFolder::_getLogLanguage()), $active_id, $this->getId());
}
} else {
include_once "./Modules/Test/classes/class.ilObjAssessmentFolder.php";
if (ilObjAssessmentFolder::_enabledAssessmentLogging()) {
$this->logAction($this->lng->txtlng("assessment", "log_user_not_entered_values", ilObjAssessmentFolder::_getLogLanguage()), $active_id, $this->getId());
}
}
return $returnvalue;
}
function setRangeMax($range_max)
{
include_once "./Services/Math/classes/class.EvalMath.php";
$math = new EvalMath();
$math->suppress_errors = TRUE;
$result = $math->evaluate($range_max);
$this->range_max = $result;
}
function Evaluation($id, $value, $input, $exercise_id, $operatorData)
{
$m = new EvalMath();
$xml = simplexml_load_file($exercise_id) or die("Error: Cannot create object");
$count_options = $xml->input[$id]->count();
for ($i = 0; $i < $count_options; $i++) {
$operator = $xml->input[$id]->option[$i]->operator;
$equation = trim($xml->input[$id]->option[$i]->equation);
$data = explode(" ", $equation);
$equation = "";
$operatorDT = "";
if ($operator == 'IF') {
$trimmed = intval(ltrim($data[0], "v"));
$equation .= $input[$trimmed];
switch ($data[1]) {
case "==":
if ($equation == $data[2]) {
return $xml->input[$id]->option[$i]->result;
$i = $count_options;
}
break;
case "!=":
if ($equation != $data[2]) {
return $xml->input[$id]->option[$i]->result;
$i = $count_options;
}
break;
case "GT":
if ($equation > $data[2]) {
return $xml->input[$id]->option[$i]->result;
$i = $count_options;
}
break;
case "GE":
if ($equation >= $data[2]) {
return $xml->input[$id]->option[$i]->result;
$i = $count_options;
}
break;
case "LT":
if ($equation < $data[2]) {
return $xml->input[$id]->option[$i]->result;
$i = $count_options;
}
break;
case "LE":
if ($equation <= $data[2]) {
return $xml->input[$id]->option[$i]->result;
$i = $count_options;
}
break;
}
// SWITCH
} else {
foreach ($data as $element) {
if (is_numeric($element)) {
$equation .= $element;
} else {
if ($element[0] == 'o') {
$operatorDT = ltrim($element, "o");
} elseif (strpos($element, 'v') === False) {
$equation .= $element;
} else {
$trimmed = intval(ltrim($element, "v"));
$equation .= $input[$trimmed];
}
}
}
// return $equation[3];
// $equation = "mcm(2,4)";
if (strstr($equation, "mcm")) {
$valor = explode(",", substr($equation, 3));
$equation_result = mcm(intval($valor[0]), intval($valor[1]));
} else {
$equation_result = $m->evaluate($equation);
}
if ($operatorDT == "") {
$operatorData = "";
}
// return strval($equation_result);
switch ($operator) {
case "==":
if ($equation_result == $value && $operatorDT == $operatorData) {
return $xml->input[$id]->option[$i]->result;
$i = $count_options;
}
break;
case "!=":
if ($equation_result != $value && $operatorDT == $operatorData) {
return $xml->input[$id]->option[$i]->result;
$i = $count_options;
}
break;
case "GT":
if ($equation_result > $value && $operatorDT == $operatorData) {
return $xml->input[$id]->option[$i]->result;
$i = $count_options;
}
break;
case "GE":
if ($equation_result >= $value && $operatorDT == $operatorData) {
return $xml->input[$id]->option[$i]->result;
$i = $count_options;
}
break;
case "LT":
if ($equation_result < $value && $operatorDT == $operatorData) {
return $xml->input[$id]->option[$i]->result;
$i = $count_options;
}
break;
case "LE":
if ($equation_result <= $value && $operatorDT == $operatorData) {
return $xml->input[$id]->option[$i]->result;
$i = $count_options;
}
break;
}
// SWITCH
}
// else IF
}
// option's LOOP
}
/**
* abstract function which creates the form to create / edit the answers of the question
* @param FormValidator $form
*/
function processAnswersCreation($form)
{
if (!self::isAnswered()) {
$table = Database::get_course_table(TABLE_QUIZ_ANSWER);
Database::delete($table, array('c_id = ? AND question_id = ?' => array($this->course['real_id'], $this->id)));
$answer = $form->getSubmitValue('answer');
$formula = $form->getSubmitValue('formula');
$lowestValues = $form->getSubmitValue('lowestValue');
$highestValues = $form->getSubmitValue('highestValue');
$answerVariations = $form->getSubmitValue('answerVariations');
$this->weighting = $form->getSubmitValue('weighting');
// Create as many answers as $answerVariations
for ($j = 0; $j < $answerVariations; $j++) {
$auxAnswer = $answer;
$auxFormula = $formula;
$nb = preg_match_all('/\\[[^\\]]*\\]/', $auxAnswer, $blanks);
if ($nb > 0) {
for ($i = 0; $i < $nb; ++$i) {
$blankItem = $blanks[0][$i];
$replace = array("[", "]");
$newBlankItem = str_replace($replace, "", $blankItem);
$newBlankItem = "[" . trim($newBlankItem) . "]";
// take random float values when one or both edge values have a decimal point
$randomValue = strpos($lowestValues[$i], '.') !== false || strpos($highestValues[$i], '.') !== false ? mt_rand($lowestValues[$i] * 100, $highestValues[$i] * 100) / 100 : mt_rand($lowestValues[$i], $highestValues[$i]);
$auxAnswer = str_replace($blankItem, $randomValue, $auxAnswer);
$auxFormula = str_replace($blankItem, $randomValue, $auxFormula);
}
require_once api_get_path(LIBRARY_PATH) . 'evalmath.class.php';
$math = new EvalMath();
$result = $math->evaluate($auxFormula);
$result = number_format($result, 2, ".", "");
// Remove decimal trailing zeros
$result = rtrim($result, "0");
// If it is an integer (ends in .00) remove the decimal point
if (mb_substr($result, -1) === ".") {
$result = str_replace(".", "", $result);
}
// Attach formula
$auxAnswer .= " [" . $result . "]@@" . $formula;
}
$this->save();
$objAnswer = new answer($this->id);
$objAnswer->createAnswer($auxAnswer, 1, '', $this->weighting, null);
$objAnswer->position = array();
$objAnswer->save();
}
}
}
/**
*Get ImageResource of the plot
*
*Generates ImageResource representation of the plot.
*
*@access private
*@uses $Width
*@uses EvalMath
*@uses EvalMath::evaluate()
*@uses GetCoordinatX()
*@uses GetImageX()
*@uses GetImageY()
*@uses $Graphs
*@uses Graph::$Color
*@uses Graph::$LabelFont
*@uses Graph::$EnableLabel
*@uses Graph::$Label
*@param ImageResource &$ImageResource ImageResource representation of the plot.
*/
function DrawPlots(&$ImageResource)
{
//Get a black Color
$Black = imagecolorexact($ImageResource, 0, 0, 0);
//Y position for Labels relative to Image
$LabelY = 5;
//Plot all graphs
foreach ($this->Graphs as $key => $S) {
//Get Color
$Color = imagecolorexact($ImageResource, $S->Color[0], $S->Color[1], $S->Color[3]);
//Set Expression
$m = new EvalMath();
$m->evaluate("f(x) = " . $S->Exp);
//Set OldCoordinat*, don't start with a line from 0,0
$OldCoordinatX = $this->GetCoordinatX(0);
$OldCoordinatY = $m->evaluate("f(" . $OldCoordinatX . ")");
//Plot the graph
for ($ImageX = 0; $ImageX < $this->Width; $ImageX++) {
//Get some NewCoordinat*
$NewCoordinatX = $this->GetCoordinatX($ImageX);
$NewCoordinatY = $m->evaluate("f(" . $NewCoordinatX . ") ");
//Draw a line from OldCoordinat*
imageline($ImageResource, $this->GetImageX($OldCoordinatX), $this->GetImageY($OldCoordinatY), $this->GetImageX($NewCoordinatX), $this->GetImageY($NewCoordinatY), $Color);
//Get some OldCoordinat*
$OldCoordinatX = $NewCoordinatX;
$OldCoordinatY = $NewCoordinatY;
}
//Draw label if it is enabled
if ($S->EnableLabel) {
//Draw label
imagestring($ImageResource, $S->LabelFont, 5, $LabelY, "- " . $S->Label, $Color);
//Add Label height to next Label X position
$LabelY += imagefontheight($S->LabelFont);
}
}
}
public function setRangeMax($range_max)
{
// include_once "./Services/Math/classes/class.EvalMath.php";
// $math = new EvalMath();
// $math->suppress_errors = TRUE;
// $result = $math->evaluate($range_max);
// $val = (strlen($result) > 8) ? strtoupper(sprintf("%e", $result)) : $result;
// $this->range_max = $val;
include_once "./Services/Math/classes/class.EvalMath.php";
$math = new EvalMath();
$math->suppress_errors = TRUE;
$result = $math->evaluate($range_max);
$this->range_max = $result;
}
/**
* Checks the range limits
*
* Checks the Range limits Upper and Lower for their correctness
*
* @return boolean
*/
public function checkRange()
{
include_once "./Services/Math/classes/class.EvalMath.php";
$eval = new EvalMath();
$eval->suppress_errors = TRUE;
if ($eval->e($_POST["rang_lower_limit"]) !== FALSE and $eval->e($_POST["range_upper_limit"]) !== FALSE) {
if ($eval->e($_POST["rang_lower_limit"]) < $eval->e($_POST["range_upper_limit"])) {
return TRUE;
} else {
return FALSE;
}
}
return FALSE;
}
function uni_cpo_calculate_price_ajax()
{
$aResult['status'] = 'error';
$sProductId = $_POST['uni_cpo_product_id'];
$aProductCustom = get_post_custom($sProductId);
if ($aProductCustom['_uni_cpo_enable_custom_options_calc'][0] == 'yes') {
$aCustomOptions = uni_cpo_get_product_attributes($sProductId);
$aArr = array();
if ($aCustomOptions) {
foreach ($aCustomOptions as $aOption) {
if (empty($aOption['is_visible']) || $aOption['is_taxonomy'] && !taxonomy_exists($aOption['name'])) {
continue;
}
switch ($aOption['cpo_type']) {
case 'input':
if ($aOption['value']) {
foreach ($aOption['value'] as $sValue) {
$oTerm = get_term_by('slug', $sValue, $aOption['name']);
$aTermData = get_option('uni_cpo_attr_' . $oTerm->term_id . '_data');
if (isset($_POST['uni_cpo_' . $sValue]) && !empty($_POST['uni_cpo_' . $sValue])) {
$aArr['{uni_cpo_' . $sValue . '}'] = $_POST['uni_cpo_' . $sValue];
} else {
$aArr['{uni_cpo_' . $sValue . '}'] = '0';
}
}
}
break;
case 'input_number':
if ($aOption['value']) {
foreach ($aOption['value'] as $sValue) {
$oTerm = get_term_by('slug', $sValue, $aOption['name']);
$aTermData = get_option('uni_cpo_attr_' . $oTerm->term_id . '_data');
if (isset($_POST['uni_cpo_' . $sValue]) && !empty($_POST['uni_cpo_' . $sValue])) {
$aArr['{uni_cpo_' . $sValue . '}'] = $_POST['uni_cpo_' . $sValue];
} else {
$aArr['{uni_cpo_' . $sValue . '}'] = '0';
}
}
}
break;
case 'select':
$sParentTermSlug = $aOption['name'];
//$sFieldValue = $_POST['uni_cpo_'.$sParentTermSlug];
if (isset($_POST['uni_cpo_' . $sParentTermSlug]) && !empty($_POST['uni_cpo_' . $sParentTermSlug])) {
$oTerm = get_term_by('slug', $_POST['uni_cpo_' . $sParentTermSlug], $aOption['name']);
$aTermData = get_option('uni_cpo_attr_' . $oTerm->term_id . '_data');
$aArr['{uni_cpo_' . $sParentTermSlug . '}'] = floatval($aTermData['attr_price']);
} else {
$aArr['{uni_cpo_' . $sParentTermSlug . '}'] = '0';
}
break;
case 'checkbox':
if ($aOption['value']) {
foreach ($aOption['value'] as $sValue) {
$oTerm = get_term_by('slug', $sValue, $aOption['name']);
$aTermData = get_option('uni_cpo_attr_' . $oTerm->term_id . '_data');
if (isset($_POST['uni_cpo_' . $sValue])) {
$aArr['{uni_cpo_' . $sValue . '}'] = $_POST['uni_cpo_' . $sValue];
} else {
$aArr['{uni_cpo_' . $sValue . '}'] = '0';
}
}
}
break;
case 'checkbox_multiple':
$aCheckboxed = isset($_POST['uni_cpo_' . $aOption['name']]) ? $_POST['uni_cpo_' . $aOption['name']] : '';
if (isset($aCheckboxed) && !empty($aCheckboxed)) {
foreach ($aCheckboxed as $sValue) {
$oTerm = get_term_by('slug', $sValue, $aOption['name']);
$aTermData = get_option('uni_cpo_attr_' . $oTerm->term_id . '_data');
if (isset($aTermData['attr_price'])) {
$aArr['{uni_cpo_' . $sValue . '}'] = floatval($aTermData['attr_price']);
} else {
$aArr['{uni_cpo_' . $sValue . '}'] = '0';
}
}
}
break;
case 'radio':
$sParentTermSlug = $aOption['name'];
//$sFieldValue = $_POST['uni_cpo_'.$sParentTermSlug];
if (isset($_POST['uni_cpo_' . $sParentTermSlug]) && !empty($_POST['uni_cpo_' . $sParentTermSlug])) {
$oTerm = get_term_by('slug', $_POST['uni_cpo_' . $sParentTermSlug], $aOption['name']);
$aTermData = get_option('uni_cpo_attr_' . $oTerm->term_id . '_data');
$aArr['{uni_cpo_' . $sParentTermSlug . '}'] = floatval($aTermData['attr_price']);
} else {
$aArr['{uni_cpo_' . $sParentTermSlug . '}'] = '0';
}
break;
case 'color':
$sParentTermSlug = $aOption['name'];
//$sFieldValue = $_POST['uni_cpo_'.$sParentTermSlug];
if (isset($_POST['uni_cpo_' . $sParentTermSlug]) && !empty($_POST['uni_cpo_' . $sParentTermSlug])) {
$aArr['{uni_cpo_' . $sParentTermSlug . '}'] = '0';
foreach ($aOption['value'] as $sValue) {
$oTerm = get_term_by('slug', $sValue, $aOption['name']);
$aTermData = get_option('uni_cpo_attr_' . $oTerm->term_id . '_data');
if ($aTermData['attr_color_code'] == $_POST['uni_cpo_' . $sParentTermSlug]) {
$aArr['{uni_cpo_' . $sParentTermSlug . '}'] = floatval($aTermData['attr_price']);
}
}
} else {
$aArr['{uni_cpo_' . $sParentTermSlug . '}'] = '0';
}
break;
case 'color_ext':
$sParentTermSlug = $aOption['name'];
$sFieldValue = $_POST['uni_cpo_' . $sParentTermSlug];
if (isset($_POST['uni_cpo_' . $sParentTermSlug]) && !empty($_POST['uni_cpo_' . $sParentTermSlug])) {
foreach ($aOption['value'] as $sValue) {
$oTerm = get_term_by('slug', $sValue, $aOption['name']);
$aTermData = get_option('uni_cpo_attr_' . $oTerm->term_id . '_data');
$aArr['{uni_cpo_' . $sParentTermSlug . '}'] = floatval($aTermData['attr_price']);
}
} else {
$aArr['{uni_cpo_' . $sParentTermSlug . '}'] = '0';
}
break;
case 'textarea':
/*
if ( $aOption['value'] ) {
foreach ( $aOption['value'] as $sValue ) {
$oTerm = get_term_by('slug', $sValue, $aOption['name']);
$aTermData = get_option('uni_cpo_attr_'.$oTerm->term_id.'_data');
if ( $_POST['uni_cpo_'.$sValue] ) {
$aArr['{uni_cpo_'.$sValue.'}'] = $_POST['uni_cpo_'.$sValue];
} else {
$aArr['{uni_cpo_'.$sValue.'}'] = '0';
}
}
}
*/
break;
}
}
}
$sGlobalFormula = $aProductCustom['_uni_cpo_formula'][0];
// conditions
if (isset($aProductCustom['_uni_cpo_conditions_enable'][0]) && !empty($aProductCustom['_uni_cpo_conditions_enable'][0])) {
$aConditions = maybe_unserialize($aProductCustom['_uni_cpo_conditions_data'][0]);
if (isset($aConditions) && !empty($aConditions)) {
$aPostData = $_POST;
$sConditionFormula = uni_cpo_conditions_logic($aConditions, $aPostData, true);
if (isset($sConditionFormula) && !empty($sConditionFormula)) {
$sGlobalFormula = $sConditionFormula;
}
}
}
//print_r(' || '.$sGlobalFormula);
if (!$aProductCustom['_sale_price'][0]) {
$sProductPrice = $aProductCustom['_regular_price'][0];
} else {
//sale price
$sProductPrice = $aProductCustom['_sale_price'][0];
}
$sGlobalFormula = str_replace("{uni_cpo_price}", $sProductPrice, $sGlobalFormula);
//print_r($sGlobalFormula);
if ($aArr) {
foreach ($aArr as $Key => $Value) {
if (is_array($Value)) {
if (!empty($Value)) {
foreach ($Value as $ChildKey => $ChildValue) {
$ChildKey = '{' . $ChildKey . '}';
$sSearch = "/({$ChildKey})/";
$sGlobalFormula = preg_replace($sSearch, $ChildValue, $sGlobalFormula);
}
}
} else {
$sSearch = "/({$Key})/";
$sGlobalFormula = preg_replace($sSearch, $Value, $sGlobalFormula);
}
}
}
// change all forgotten cpo vars to zero
$search = "/{([^}]*)}/";
$sGlobalFormula = preg_replace($search, '0', $sGlobalFormula);
//print_r($sGlobalFormula);
$m = new EvalMath();
$m->suppress_errors = true;
$sOrderPrice = $m->evaluate($sGlobalFormula);
$fOrderPrice = floatval($sOrderPrice);
$fMinPrice = floatval($aProductCustom['_uni_cpo_min_price'][0]);
$aResult['status'] = 'success';
if (!empty($fMinPrice) && $fOrderPrice < $fMinPrice) {
$aResult['message'] = uni_cpo_get_formatted_price($fMinPrice);
$aResult['total'] = uni_cpo_get_formatted_price($fMinPrice * $_POST['uni_quantity']);
} else {
$aResult['message'] = uni_cpo_get_formatted_price($fOrderPrice);
$aResult['total'] = uni_cpo_get_formatted_price($fOrderPrice * $_POST['uni_quantity']);
}
echo json_encode($aResult);
die;
} else {
echo json_encode($aResult);
die;
}
}