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<?php |
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/* For licensing terms, see /license.txt */ |
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use Chamilo\CourseBundle\Entity\CQuizAnswer; |
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use ChamiloSession as Session; |
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/** |
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* Class UniqueAnswer. |
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* |
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* This class allows to instantiate an object of type UNIQUE_ANSWER |
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* (MULTIPLE CHOICE, UNIQUE ANSWER), |
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* extending the class question |
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* |
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* @author Eric Marguin |
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* @author Julio Montoya |
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*/ |
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class UniqueAnswer extends Question |
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{ |
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public $typePicture = 'mcua.png'; |
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public $explanationLangVar = 'UniqueSelect'; |
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/** |
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* Constructor. |
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*/ |
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public function __construct() |
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{ |
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parent::__construct(); |
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$this->type = UNIQUE_ANSWER; |
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$this->isContent = $this->getIsContent(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function createAnswersForm($form) |
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{ |
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// Getting the exercise list |
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/** @var Exercise $obj_ex */ |
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$obj_ex = Session::read('objExercise'); |
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$editor_config = [ |
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'ToolbarSet' => 'TestProposedAnswer', |
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'Width' => '100%', |
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'Height' => '125', |
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]; |
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//this line defines how many questions by default appear when creating a choice question |
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// The previous default value was 2. See task #1759. |
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$nb_answers = isset($_POST['nb_answers']) ? (int) $_POST['nb_answers'] : 4; |
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$nb_answers += (isset($_POST['lessAnswers']) ? -1 : (isset($_POST['moreAnswers']) ? 1 : 0)); |
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$feedback_title = ''; |
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switch ($obj_ex->getFeedbackType()) { |
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case EXERCISE_FEEDBACK_TYPE_DIRECT: |
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// Scenario |
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$comment_title = '<th width="20%">'.get_lang('Comment').'</th>'; |
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$feedback_title = '<th width="20%">'.get_lang('Scenario').'</th>'; |
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break; |
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case EXERCISE_FEEDBACK_TYPE_POPUP: |
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$comment_title = '<th width="20%">'.get_lang('Comment').'</th>'; |
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break; |
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default: |
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$comment_title = '<th width="40%">'.get_lang('Comment').'</th>'; |
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break; |
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} |
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$html = '<table class="table table-striped table-hover"> |
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<thead> |
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<tr style="text-align: center;"> |
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<th width="5%">'.get_lang('Number').'</th> |
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<th width="5%"> '.get_lang('True').'</th> |
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<th width="40%">'.get_lang('Answer').'</th> |
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'.$comment_title.' |
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'.$feedback_title.' |
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<th width="10%">'.get_lang('Weighting').'</th> |
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</tr> |
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</thead> |
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<tbody>'; |
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$form->addHeader(get_lang('Answers')); |
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$form->addHtml($html); |
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$defaults = []; |
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$correct = 0; |
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if (!empty($this->id)) { |
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$answer = new Answer($this->id); |
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$answer->read(); |
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if ($answer->nbrAnswers > 0 && !$form->isSubmitted()) { |
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$nb_answers = $answer->nbrAnswers; |
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} |
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} |
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$form->addElement('hidden', 'nb_answers'); |
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$obj_ex->setQuestionList(true); |
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$question_list = $obj_ex->getQuestionList(); |
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$select_question = []; |
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$select_question[0] = get_lang('SelectTargetQuestion'); |
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if (is_array($question_list)) { |
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foreach ($question_list as $key => $questionid) { |
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//To avoid warning messages |
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if (!is_numeric($questionid)) { |
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continue; |
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} |
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$question = Question::read($questionid); |
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$questionTitle = strip_tags($question->selectTitle()); |
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$select_question[$questionid] = "Q$key: $questionTitle"; |
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} |
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} |
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$select_question[-1] = get_lang('ExitTest'); |
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$list = new LearnpathList(api_get_user_id()); |
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$flat_list = $list->get_flat_list(); |
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$select_lp_id = []; |
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$select_lp_id[0] = get_lang('SelectTargetLP'); |
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foreach ($flat_list as $id => $details) { |
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$select_lp_id[$id] = cut($details['lp_name'], 20); |
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} |
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$temp_scenario = []; |
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if ($nb_answers < 1) { |
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$nb_answers = 1; |
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echo Display::return_message( |
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get_lang('YouHaveToCreateAtLeastOneAnswer') |
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); |
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} |
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for ($i = 1; $i <= $nb_answers; $i++) { |
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$form->addHtml('<tr>'); |
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if (isset($answer) && is_object($answer)) { |
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if (isset($answer->correct[$i]) && $answer->correct[$i]) { |
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$correct = $i; |
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} |
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$defaults['answer['.$i.']'] = isset($answer->answer[$i]) ? $answer->answer[$i] : ''; |
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$defaults['comment['.$i.']'] = isset($answer->comment[$i]) ? $answer->comment[$i] : ''; |
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$defaults['weighting['.$i.']'] = isset($answer->weighting[$i]) ? float_format($answer->weighting[$i], 1) : 0; |
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$item_list = []; |
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if (isset($answer->destination[$i])) { |
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$item_list = explode('@@', $answer->destination[$i]); |
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} |
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$try = isset($item_list[0]) ? $item_list[0] : ''; |
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$lp = isset($item_list[1]) ? $item_list[1] : ''; |
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$list_dest = isset($item_list[2]) ? $item_list[2] : ''; |
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$url = isset($item_list[3]) ? $item_list[3] : ''; |
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if ($try == 0) { |
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$try_result = 0; |
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} else { |
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$try_result = 1; |
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} |
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if ($url == 0) { |
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$url_result = ''; |
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} else { |
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$url_result = $url; |
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} |
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$temp_scenario['url'.$i] = $url_result; |
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$temp_scenario['try'.$i] = $try_result; |
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$temp_scenario['lp'.$i] = $lp; |
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$temp_scenario['destination'.$i] = $list_dest; |
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} else { |
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$defaults['answer[1]'] = get_lang('DefaultUniqueAnswer1'); |
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$defaults['weighting[1]'] = 10; |
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$defaults['answer[2]'] = get_lang('DefaultUniqueAnswer2'); |
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$defaults['weighting[2]'] = 0; |
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$temp_scenario['destination'.$i] = ['0']; |
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$temp_scenario['lp'.$i] = ['0']; |
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} |
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$defaults['scenario'] = $temp_scenario; |
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$renderer = $form->defaultRenderer(); |
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$renderer->setElementTemplate( |
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>', |
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'correct' |
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); |
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$renderer->setElementTemplate( |
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>', |
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'counter['.$i.']' |
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); |
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$renderer->setElementTemplate( |
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>', |
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'answer['.$i.']' |
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); |
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$renderer->setElementTemplate( |
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>', |
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'comment['.$i.']' |
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); |
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$renderer->setElementTemplate( |
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>', |
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'weighting['.$i.']' |
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); |
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$answer_number = $form->addElement( |
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'text', |
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'counter['.$i.']', |
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null, |
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' value = "'.$i.'"' |
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); |
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$answer_number->freeze(); |
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$form->addElement( |
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'radio', |
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'correct', |
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null, |
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null, |
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$i, |
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'class="checkbox"' |
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); |
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$form->addHtmlEditor('answer['.$i.']', null, null, false, $editor_config); |
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$form->addRule( |
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'answer['.$i.']', |
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get_lang('ThisFieldIsRequired'), |
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'required' |
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); |
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switch ($obj_ex->getFeedbackType()) { |
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case EXERCISE_FEEDBACK_TYPE_DIRECT: |
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$this->setDirectOptions($i, $form, $renderer, $select_lp_id, $select_question); |
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break; |
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case EXERCISE_FEEDBACK_TYPE_POPUP: |
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default: |
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$form->addHtmlEditor('comment['.$i.']', null, null, false, $editor_config); |
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break; |
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} |
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$form->addText('weighting['.$i.']', null, null, ['value' => '0']); |
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$form->addHtml('</tr>'); |
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} |
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$form->addHtml('</tbody>'); |
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$form->addHtml('</table>'); |
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global $text; |
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$buttonGroup = []; |
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if ($obj_ex->edit_exercise_in_lp == true || |
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240
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(empty($this->exerciseList) && empty($obj_ex->id)) |
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) { |
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//setting the save button here and not in the question class.php |
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$buttonGroup[] = $form->addButtonDelete(get_lang('LessAnswer'), 'lessAnswers', true); |
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$buttonGroup[] = $form->addButtonCreate(get_lang('PlusAnswer'), 'moreAnswers', true); |
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$buttonGroup[] = $form->addButton( |
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'submitQuestion', |
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$text, |
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'check', |
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'primary', |
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'default', |
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null, |
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['id' => 'submit-question'], |
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true |
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); |
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$form->addGroup($buttonGroup); |
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} |
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// We check the first radio button to be sure a radio button will be check |
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if ($correct == 0) { |
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$correct = 1; |
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} |
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if (isset($_POST) && isset($_POST['correct'])) { |
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$correct = (int) $_POST['correct']; |
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} |
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$defaults['correct'] = $correct; |
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if (!empty($this->id)) { |
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$form->setDefaults($defaults); |
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} else { |
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if ($this->isContent == 1) { |
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// Default sample content. |
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$form->setDefaults($defaults); |
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} else { |
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$correct = 1; |
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if (isset($_POST) && isset($_POST['correct'])) { |
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$correct = (int) $_POST['correct']; |
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} |
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$form->setDefaults(['correct' => $correct]); |
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} |
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} |
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$form->setConstants(['nb_answers' => $nb_answers]); |
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} |
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287
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public function setDirectOptions($i, FormValidator $form, $renderer, $select_lp_id, $select_question) |
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288
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{ |
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$editor_config = [ |
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'ToolbarSet' => 'TestProposedAnswer', |
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'Width' => '100%', |
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'Height' => '125', |
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]; |
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295
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$form->addHtmlEditor( |
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'comment['.$i.']', |
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null, |
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null, |
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false, |
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$editor_config |
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); |
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// Direct feedback |
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303
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//Adding extra feedback fields |
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304
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$group = []; |
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305
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$group['try'.$i] = $form->createElement( |
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306
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'checkbox', |
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'try'.$i, |
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308
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null, |
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309
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get_lang('TryAgain') |
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); |
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311
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$group['lp'.$i] = $form->createElement( |
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312
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'select', |
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313
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'lp'.$i, |
|
314
|
|
|
get_lang('SeeTheory').': ', |
|
315
|
|
|
$select_lp_id |
|
316
|
|
|
); |
|
317
|
|
|
$group['destination'.$i] = $form->createElement( |
|
318
|
|
|
'select', |
|
319
|
|
|
'destination'.$i, |
|
320
|
|
|
get_lang('GoToQuestion').': ', |
|
321
|
|
|
$select_question |
|
322
|
|
|
); |
|
323
|
|
|
$group['url'.$i] = $form->createElement( |
|
324
|
|
|
'text', |
|
325
|
|
|
'url'.$i, |
|
326
|
|
|
get_lang('Other').': ', |
|
327
|
|
|
[ |
|
328
|
|
|
'class' => 'col-md-2', |
|
329
|
|
|
'placeholder' => get_lang('Other'), |
|
330
|
|
|
] |
|
331
|
|
|
); |
|
332
|
|
|
$form->addGroup($group, 'scenario'); |
|
333
|
|
|
|
|
334
|
|
|
$renderer->setElementTemplate( |
|
335
|
|
|
'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}', |
|
336
|
|
|
'scenario' |
|
337
|
|
|
); |
|
338
|
|
|
} |
|
339
|
|
|
|
|
340
|
|
|
/** |
|
341
|
|
|
* {@inheritdoc} |
|
342
|
|
|
*/ |
|
343
|
|
|
public function processAnswersCreation($form, $exercise) |
|
344
|
|
|
{ |
|
345
|
|
|
$questionWeighting = $nbrGoodAnswers = 0; |
|
346
|
|
|
$correct = $form->getSubmitValue('correct'); |
|
347
|
|
|
$objAnswer = new Answer($this->id); |
|
348
|
|
|
$nb_answers = $form->getSubmitValue('nb_answers'); |
|
349
|
|
|
|
|
350
|
|
|
for ($i = 1; $i <= $nb_answers; $i++) { |
|
351
|
|
|
$answer = trim($form->getSubmitValue('answer['.$i.']')); |
|
352
|
|
|
$comment = trim($form->getSubmitValue('comment['.$i.']')); |
|
353
|
|
|
$weighting = trim($form->getSubmitValue('weighting['.$i.']')); |
|
354
|
|
|
$scenario = $form->getSubmitValue('scenario'); |
|
355
|
|
|
|
|
356
|
|
|
$try = null; |
|
357
|
|
|
$lp = null; |
|
358
|
|
|
$destination = null; |
|
359
|
|
|
$url = null; |
|
360
|
|
|
if (isset($scenario['try'.$i])) { |
|
361
|
|
|
$try = !empty($scenario['try'.$i]); |
|
362
|
|
|
} |
|
363
|
|
|
|
|
364
|
|
|
if (isset($scenario['lp'.$i])) { |
|
365
|
|
|
$lp = $scenario['lp'.$i]; |
|
366
|
|
|
} |
|
367
|
|
|
|
|
368
|
|
|
if (isset($scenario['destination'.$i])) { |
|
369
|
|
|
$destination = $scenario['destination'.$i]; |
|
370
|
|
|
} |
|
371
|
|
|
|
|
372
|
|
|
if (isset($scenario['url'.$i])) { |
|
373
|
|
|
$url = trim($scenario['url'.$i]); |
|
374
|
|
|
} |
|
375
|
|
|
|
|
376
|
|
|
/* |
|
377
|
|
|
How we are going to parse the destination value |
|
378
|
|
|
|
|
379
|
|
|
here we parse the destination value which is a string |
|
380
|
|
|
1@@3@@2;4;4;@@http://www.chamilo.org |
|
381
|
|
|
|
|
382
|
|
|
where: try_again@@lp_id@@selected_questions@@url |
|
383
|
|
|
|
|
384
|
|
|
try_again = is 1 || 0 |
|
385
|
|
|
lp_id = id of a learning path (0 if dont select) |
|
386
|
|
|
selected_questions= ids of questions |
|
387
|
|
|
url= an url |
|
388
|
|
|
|
|
389
|
|
|
$destination_str=''; |
|
390
|
|
|
foreach ($list_destination as $destination_id) |
|
391
|
|
|
{ |
|
392
|
|
|
$destination_str.=$destination_id.';'; |
|
393
|
|
|
}*/ |
|
394
|
|
|
|
|
395
|
|
|
$goodAnswer = $correct == $i ? true : false; |
|
396
|
|
|
|
|
397
|
|
|
if ($goodAnswer) { |
|
398
|
|
|
$nbrGoodAnswers++; |
|
399
|
|
|
$weighting = abs($weighting); |
|
400
|
|
|
if ($weighting > 0) { |
|
401
|
|
|
$questionWeighting += $weighting; |
|
402
|
|
|
} |
|
403
|
|
|
} |
|
404
|
|
|
|
|
405
|
|
|
if (empty($try)) { |
|
406
|
|
|
$try = 0; |
|
407
|
|
|
} |
|
408
|
|
|
|
|
409
|
|
|
if (empty($lp)) { |
|
410
|
|
|
$lp = 0; |
|
411
|
|
|
} |
|
412
|
|
|
|
|
413
|
|
|
if (empty($destination)) { |
|
414
|
|
|
$destination = 0; |
|
415
|
|
|
} |
|
416
|
|
|
|
|
417
|
|
|
if ($url == '') { |
|
418
|
|
|
$url = 0; |
|
419
|
|
|
} |
|
420
|
|
|
|
|
421
|
|
|
//1@@1;2;@@2;4;4;@@http://www.chamilo.org |
|
422
|
|
|
$dest = $try.'@@'.$lp.'@@'.$destination.'@@'.$url; |
|
423
|
|
|
$objAnswer->createAnswer( |
|
424
|
|
|
$answer, |
|
425
|
|
|
$goodAnswer, |
|
426
|
|
|
$comment, |
|
427
|
|
|
$weighting, |
|
|
|
|
|
|
428
|
|
|
$i, |
|
429
|
|
|
null, |
|
430
|
|
|
null, |
|
431
|
|
|
$dest |
|
432
|
|
|
); |
|
433
|
|
|
} |
|
434
|
|
|
|
|
435
|
|
|
// saves the answers into the data base |
|
436
|
|
|
$objAnswer->save(); |
|
437
|
|
|
|
|
438
|
|
|
// sets the total weighting of the question |
|
439
|
|
|
$this->updateWeighting($questionWeighting); |
|
|
|
|
|
|
440
|
|
|
$this->save($exercise); |
|
441
|
|
|
} |
|
442
|
|
|
|
|
443
|
|
|
/** |
|
444
|
|
|
* {@inheritdoc} |
|
445
|
|
|
*/ |
|
446
|
|
|
public function return_header(Exercise $exercise, $counter = null, $score = []) |
|
447
|
|
|
{ |
|
448
|
|
|
$header = parent::return_header($exercise, $counter, $score); |
|
449
|
|
|
$header .= '<table class="'.$this->question_table_class.'"><tr>'; |
|
450
|
|
|
|
|
451
|
|
|
$header .= '<th>'.get_lang('Choice').'</th>'; |
|
452
|
|
|
if ($exercise->showExpectedChoiceColumn()) { |
|
453
|
|
|
$header .= '<th>'.get_lang('ExpectedChoice').'</th>'; |
|
454
|
|
|
} |
|
455
|
|
|
|
|
456
|
|
|
$header .= '<th>'.get_lang('Answer').'</th>'; |
|
457
|
|
|
if ($exercise->showExpectedChoice()) { |
|
458
|
|
|
$header .= '<th>'.get_lang('Status').'</th>'; |
|
459
|
|
|
} |
|
460
|
|
|
$header .= '<th>'.get_lang('Comment').'</th>'; |
|
461
|
|
|
$header .= '</tr>'; |
|
462
|
|
|
|
|
463
|
|
|
return $header; |
|
464
|
|
|
} |
|
465
|
|
|
|
|
466
|
|
|
/** |
|
467
|
|
|
* Saves one answer to the database. |
|
468
|
|
|
* |
|
469
|
|
|
* @param int $id The ID of the answer (has to be calculated for this course) |
|
470
|
|
|
* @param int $question_id The question ID (to which the answer is attached) |
|
471
|
|
|
* @param string $title The text of the answer |
|
472
|
|
|
* @param string $comment The feedback for the answer |
|
473
|
|
|
* @param float $score The score you get when picking this answer |
|
474
|
|
|
* @param int $correct Whether this answer is considered *the* correct one (this is the unique answer type) |
|
475
|
|
|
*/ |
|
476
|
|
|
public function addAnswer( |
|
477
|
|
|
$id, |
|
478
|
|
|
$question_id, |
|
479
|
|
|
$title, |
|
480
|
|
|
$comment, |
|
481
|
|
|
$score = 0.0, |
|
482
|
|
|
$correct = 0 |
|
483
|
|
|
) { |
|
484
|
|
|
$em = Database::getManager(); |
|
485
|
|
|
$tbl_quiz_answer = Database::get_course_table(TABLE_QUIZ_ANSWER); |
|
486
|
|
|
$tbl_quiz_question = Database::get_course_table(TABLE_QUIZ_QUESTION); |
|
487
|
|
|
$course_id = api_get_course_int_id(); |
|
488
|
|
|
$question_id = intval($question_id); |
|
489
|
|
|
$score = floatval($score); |
|
490
|
|
|
$correct = intval($correct); |
|
491
|
|
|
$title = Database::escape_string($title); |
|
492
|
|
|
$comment = Database::escape_string($comment); |
|
493
|
|
|
// Get the max position. |
|
494
|
|
|
$sql = "SELECT max(position) as max_position |
|
495
|
|
|
FROM $tbl_quiz_answer |
|
496
|
|
|
WHERE |
|
497
|
|
|
c_id = $course_id AND |
|
498
|
|
|
question_id = $question_id"; |
|
499
|
|
|
$rs_max = Database::query($sql); |
|
500
|
|
|
$row_max = Database::fetch_object($rs_max); |
|
501
|
|
|
$position = $row_max->max_position + 1; |
|
502
|
|
|
|
|
503
|
|
|
// Insert a new answer |
|
504
|
|
|
$quizAnswer = new CQuizAnswer(); |
|
505
|
|
|
$quizAnswer |
|
506
|
|
|
->setCId($course_id) |
|
507
|
|
|
->setId($id) |
|
508
|
|
|
->setQuestionId($question_id) |
|
509
|
|
|
->setAnswer($title) |
|
510
|
|
|
->setCorrect($correct) |
|
511
|
|
|
->setComment($comment) |
|
512
|
|
|
->setPonderation($score) |
|
513
|
|
|
->setPosition($position) |
|
514
|
|
|
->setDestination('0@@0@@0@@0'); |
|
515
|
|
|
|
|
516
|
|
|
$em->persist($quizAnswer); |
|
517
|
|
|
$em->flush(); |
|
518
|
|
|
|
|
519
|
|
|
$id = $quizAnswer->getIid(); |
|
520
|
|
|
|
|
521
|
|
|
if ($id) { |
|
522
|
|
|
$quizAnswer |
|
523
|
|
|
->setId($id); |
|
524
|
|
|
|
|
525
|
|
|
$em->merge($quizAnswer); |
|
526
|
|
|
$em->flush(); |
|
527
|
|
|
} |
|
528
|
|
|
|
|
529
|
|
|
if ($correct) { |
|
530
|
|
|
$sql = "UPDATE $tbl_quiz_question |
|
531
|
|
|
SET ponderation = (ponderation + $score) |
|
532
|
|
|
WHERE c_id = $course_id AND id = ".$question_id; |
|
533
|
|
|
Database::query($sql); |
|
534
|
|
|
} |
|
535
|
|
|
} |
|
536
|
|
|
} |
|
537
|
|
|
|
chamilo /
chamilo-lms
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When comparing two booleans, it is generally considered safer to use the strict comparison operator.