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https://github.com/moodle/moodle.git
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309c0d55b2
Changed view.php to only display grades when the teacher has not set options forbidding it. Further, where there is some attempts that are allowed to be displayed, and others not, highligting of the highest score, and printing of the overall grade allocation has been disabled to ensure the hidden grade is not revealed. Credit: Peter Bulmer peterbulmer@catalyst.net.nz
401 lines
18 KiB
PHP
401 lines
18 KiB
PHP
<?php // $Id$
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// This page prints a particular instance of quiz
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require_once("../../config.php");
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require_once("locallib.php");
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require_once($CFG->libdir.'/blocklib.php');
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require_once('pagelib.php');
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$id = optional_param('id', 0, PARAM_INT); // Course Module ID, or
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$q = optional_param('q', 0, PARAM_INT); // quiz ID
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$edit = optional_param('edit', '');
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if ($id) {
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if (! $cm = get_record("course_modules", "id", $id)) {
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error("There is no coursemodule with id $id");
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}
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if (! $course = get_record("course", "id", $cm->course)) {
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error("Course is misconfigured");
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}
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if (! $quiz = get_record("quiz", "id", $cm->instance)) {
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error("The quiz with id $cm->instance corresponding to this coursemodule $id is missing");
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}
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} else {
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if (! $quiz = get_record("quiz", "id", $q)) {
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error("There is no quiz with id $q");
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}
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if (! $course = get_record("course", "id", $quiz->course)) {
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error("The course with id $quiz->course that the quiz with id $q belongs to is missing");
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}
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if (! $cm = get_coursemodule_from_instance("quiz", $quiz->id, $course->id)) {
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error("The course module for the quiz with id $q is missing");
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}
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}
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require_login($course->id, false, $cm);
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$isteacher = isteacher($course->id);
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// if no questions have been set up yet redirect to edit.php
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if (!$quiz->questions and isteacheredit($course->id)) {
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redirect('edit.php?quizid='.$quiz->id);
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}
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add_to_log($course->id, "quiz", "view", "view.php?id=$cm->id", $quiz->id, $cm->id);
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$timenow = time();
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// Initialize $PAGE, compute blocks
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$PAGE = page_create_instance($quiz->id);
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$pageblocks = blocks_setup($PAGE);
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$blocks_preferred_width = bounded_number(180, blocks_preferred_width($pageblocks[BLOCK_POS_LEFT]), 210);
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// Print the page header
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if (!empty($edit) && $PAGE->user_allowed_editing()) {
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if ($edit == 'on') {
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$USER->editing = true;
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} else if ($edit == 'off') {
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$USER->editing = false;
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}
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}
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//only check pop ups if the user is not a teacher, and popup is set
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$bodytags = (isteacher($course->id) or !$quiz->popup)?'':'onload="popupchecker(\'This section of the test is in secure mode, this means that you need to take the quiz in a secure window. Please turn off your popup blocker. Thank you.\');"';
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$PAGE->print_header($course->shortname.': %fullname%','',$bodytags);
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echo '<table id="layout-table"><tr>';
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if(!empty($CFG->showblocksonmodpages) && (blocks_have_content($pageblocks, BLOCK_POS_LEFT) || $PAGE->user_is_editing())) {
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echo '<td style="width: '.$blocks_preferred_width.'px;" id="left-column">';
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blocks_print_group($PAGE, $pageblocks, BLOCK_POS_LEFT);
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echo '</td>';
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}
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echo '<td id="middle-column">';
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$available = ($quiz->timeopen < $timenow and ($timenow < $quiz->timeclose or !$quiz->timeclose)) || $isteacher;
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// Print the main part of the page
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// Print heading and tabs for teacher
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if ($isteacher) {
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$currenttab = 'info';
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include('tabs.php');
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}
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print_heading(format_string($quiz->name));
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if (trim(strip_tags($quiz->intro))) {
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$formatoptions->noclean = true;
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print_simple_box(format_text($quiz->intro, FORMAT_MOODLE, $formatoptions), "center");
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}
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if ($quiz->attempts > 1) {
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echo "<p align=\"center\">".get_string("attemptsallowed", "quiz").": $quiz->attempts</p>";
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echo "<p align=\"center\">".get_string("grademethod", "quiz").": ".$QUIZ_GRADE_METHOD[$quiz->grademethod]."</p>";
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} else {
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echo "<br />";
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}
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if ($available) {
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if ($quiz->timelimit) {
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echo "<p align=\"center\">".get_string("quiztimelimit","quiz", format_time($quiz->timelimit * 60))."</p>";
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}
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quiz_view_dates($quiz);
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} else if ($timenow < $quiz->timeopen) {
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echo "<p align=\"center\">".get_string("quiznotavailable", "quiz", userdate($quiz->timeopen));
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} else {
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echo "<p align=\"center\">".get_string("quizclosed", "quiz", userdate($quiz->timeclose));
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}
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// This is all the teacher will get
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if ($isteacher) {
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if ($a->attemptnum = count_records('quiz_attempts', 'quiz', $quiz->id, 'preview', 0)) {
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$a->studentnum = count_records_select('quiz_attempts', "quiz = '$quiz->id' AND preview = '0'", 'COUNT(DISTINCT userid)');
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$a->studentstring = $course->students;
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notify("<a href=\"report.php?mode=overview&id=$cm->id\">".get_string('numattempts', 'quiz', $a).'</a>');
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}
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echo '</td></tr></table>';
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print_footer($course);
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exit;
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}
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if (isguest()) {
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$wwwroot = $CFG->wwwroot.'/login/index.php';
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if (!empty($CFG->loginhttps)) {
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$wwwroot = str_replace('http','https', $wwwroot);
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}
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notice_yesno(get_string('guestsno', 'quiz').'<br /><br />'.get_string('liketologin'),
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$wwwroot, $_SERVER['HTTP_REFERER']);
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print_footer($course);
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echo '</td></tr></table>';
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exit;
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}
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if ($attempts = quiz_get_user_attempts($quiz->id, $USER->id)) {
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$numattempts = count($attempts);
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} else {
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$numattempts = 0;
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}
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$unfinished = false;
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if ($unfinishedattempt = quiz_get_user_attempt_unfinished($quiz->id, $USER->id)) {
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$attempts[] = $unfinishedattempt;
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$unfinished = true;
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}
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$strattempt = get_string("attempt", "quiz");
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$strtimetaken = get_string("timetaken", "quiz");
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$strtimecompleted = get_string("timecompleted", "quiz");
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$strgrade = get_string("grade");
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$strmarks = get_string('marks', 'quiz');
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$strbestgrade = $QUIZ_GRADE_METHOD[$quiz->grademethod];
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$windowoptions = "left=0, top=0, channelmode=yes, fullscreen=yes, scrollbars=yes, resizeable=no, directories=no, toolbar=no, titlebar=no, location=no, status=no, menubar=no";
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$mygrade = quiz_get_best_grade($quiz, $USER->id);
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/// Now print table with existing attempts
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if ($attempts) {
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$gradecolumn=0;
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$overallstats=1;
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//step thru each attempt, checking there are any attempts
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//for which the score can be displayed (need grade columns),
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//and checking if overall grades can be displayed - no attempts for
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//which the score cannot be displayed
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foreach ($attempts as $attempt) {
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$attemptoptions = quiz_get_reviewoptions($quiz, $attempt, $isteacher);
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$attemptoptions->scores ? $gradecolumn=1 : $overallstats=0;
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}
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/// prepare table header
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$table->head = array($strattempt, $strtimecompleted);
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$table->align = array("center", "left");
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$table->size = array("", "");
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if ($gradecolumn && $quiz->grade and $quiz->sumgrades) { // Grades used so have more columns in table
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if ($quiz->grade <> $quiz->sumgrades) {
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$table->head[] = "$strmarks / $quiz->sumgrades";
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$table->align[] = 'right';
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$table->size[] = '';
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}
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$table->head[] = "$strgrade / $quiz->grade";
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$table->align[] = 'right';
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$table->size[] = '';
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}
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if (isset($quiz->showtimetaken)) {
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$table->head[] = $strtimetaken;
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$table->align[] = 'center';
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$table->size[] = '';
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}
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/// One row for each attempt
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foreach ($attempts as $attempt) {
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/// prepare strings for time taken and date completed
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$timetaken = '';
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$datecompleted = '';
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if ($attempt->timefinish > 0) { // attempt has finished
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$timetaken = format_time($attempt->timefinish - $attempt->timestart);
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$datecompleted = userdate($attempt->timefinish);
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} else if ($available) { // The student can continue this attempt, so put appropriate link
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$timetaken = format_time(time() - $attempt->timestart);
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$datecompleted = "\n".'<script language="javascript" type="text/javascript">';
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$datecompleted .= "\n<!--\n"; // -->
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if (!empty($CFG->usesid) && !isset($_COOKIE[session_name()])) {
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$attempturl=sid_process_url("attempt.php?id=$cm->id");
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} else {
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$attempturl="attempt.php?id=$cm->id";
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};
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if (!empty($quiz->popup)) {
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$datecompleted .= "var windowoptions = 'left=0, top=0, height='+window.screen.height+
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', width='+window.screen.width+', channelmode=yes, fullscreen=yes, scrollbars=yes, '+
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'resizeable=no, directories=no, toolbar=no, titlebar=no, location=no, status=no, '+
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'menubar=no';\n";
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$jslink = 'javascript:';
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if ($quiz->timelimit && !$quiz->attempts) {
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$strconfirmstartattempt = addslashes(get_string("confirmstartattempt","quiz"));
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$jslink .= "if (confirm(\'$strconfirmstartattempt\')) ";
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} else if ($quiz->timelimit && $quiz->attempts) {
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$strconfirmstartattempt = addslashes(get_string("confirmstartlimit","quiz",$quiz->attempts));
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$jslink .= "if (confirm(\'$strconfirmstartattempt\')) ";
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} else if ($quiz->attempts && !$quiz->timelimit) {
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$strconfirmstartattempt = addslashes(get_string("confirmstartnolimit","quiz",$quiz->attempts));
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$jslink .= "if (confirm(\'$strconfirmstartattempt\')) ";
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}
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$jslink .= "var popup = window.open(\\'$attempturl\\', \\'quizpopup\\', windowoptions);";
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} else {
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$jslink = $attempturl;
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}
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$linktext = get_string('continueattemptquiz', 'quiz');
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$datecompleted .= "document.write('<a href=\"$jslink\" alt=\"$linktext\">$linktext</a>');";
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$datecompleted .= "\n-->\n";
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$datecompleted .= '</script>';
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$datecompleted .= '<noscript>';
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$datecompleted .= '<strong>'.get_string('noscript', 'quiz').'</strong>';
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$datecompleted .= '</noscript>';
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} else { // attempt was not completed but is also not available any more.
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$timetaken = format_time($quiz->timeclose - $attempt->timestart);
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$datecompleted = $quiz->timeclose ? userdate($quiz->timeclose) : '';
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}
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$attemptoptions = quiz_get_reviewoptions($quiz, $attempt, $isteacher);
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/// prepare strings for attempt number, mark and grade
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//if attempt's score is allowed to be viewed, & qz->sumgrades and qz->sumgrades defined:
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if ($attemptoptions->scores && $quiz->grade and $quiz->sumgrades) {
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$attemptmark = round($attempt->sumgrades,$quiz->decimalpoints);
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$attemptgrade = round(($attempt->sumgrades/$quiz->sumgrades)*$quiz->grade,$quiz->decimalpoints);
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// highlight the highest grade if appropriate
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if ($overallstats && $attemptgrade == $mygrade and ($quiz->grademethod == QUIZ_GRADEHIGHEST)) {
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$attemptgrade = "<span class=\"highlight\">$attemptgrade</span>";
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}
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// if attempt is closed and review is allowed then make attemptnumber and
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// mark and grade into links to review page
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if (quiz_review_allowed($quiz) and $attempt->timefinish > 0) {
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if ($quiz->popup) { // need to link to popup window
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$attemptmark = link_to_popup_window ("/mod/quiz/review.php?q=$quiz->id&attempt=$attempt->id", 'quizpopup', round($attempt->sumgrades,$quiz->decimalpoints), '+window.screen.height+', '+window.screen.width+', '', $windowoptions, true);
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$attemptgrade = link_to_popup_window ("/mod/quiz/review.php?q=$quiz->id&attempt=$attempt->id", 'quizpopup', $attemptgrade, '+window.screen.height+', '+window.screen.width+', '', $windowoptions, true);
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$attempt->attempt = link_to_popup_window ("/mod/quiz/review.php?q=$quiz->id&attempt=$attempt->id", 'quizpopup', "#$attempt->attempt", '+window.screen.height+', '+window.screen.width+', '', $windowoptions, true);
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} else {
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$attemptmark = "<a href=\"review.php?q=$quiz->id&attempt=$attempt->id\">".round($attempt->sumgrades,$quiz->decimalpoints).'</a>';
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$attemptgrade = "<a href=\"review.php?q=$quiz->id&attempt=$attempt->id\">$attemptgrade</a>";
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$attempt->attempt = "<a href=\"review.php?q=$quiz->id&attempt=$attempt->id\">#$attempt->attempt</a>";
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}
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}
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if ($quiz->grade <> $quiz->sumgrades) {
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$table->data[] = array( $attempt->attempt,
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$datecompleted,
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$attemptmark, $attemptgrade);
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} else {
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$table->data[] = array( $attempt->attempt,
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$datecompleted,
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$attemptgrade);
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}
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} else { // No grades are being used
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if (quiz_review_allowed($quiz)) {
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if($attempt->timefinish > 0) {
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$attempt->attempt = "<a href=\"review.php?q=$quiz->id&attempt=$attempt->id\">#$attempt->attempt</a>";
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} else {
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$attempt->attempt = "<a href=\"attempt.php?id=$id\">#$attempt->attempt</a>";
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}
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}
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$helpbutton=helpbutton('missing\ grade', get_string('wheregrade', 'quiz'), 'quiz', true, false, '',true);
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if($gradecolumn) {
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$table->data[] = array( $attempt->attempt,
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$datecompleted,
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$helpbutton);
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} else {
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$table->data[] = array( $attempt->attempt,
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$datecompleted);
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}
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}
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if (isset($quiz->showtimetaken)) {
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$table->data[] = $timetaken;
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}
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}
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print_table($table);
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}
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if (!$quiz->questions) {
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print_heading(get_string("noquestions", "quiz"));
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} else {
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if ($numattempts < $quiz->attempts or !$quiz->attempts) {
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if ($available) {
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$options["id"] = $cm->id;
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//if overall stats are allowed (no attemps' grade not visible),
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//and there is at least one attempt, and quiz->grade:
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if ($overallstats and $numattempts and $quiz->grade) {
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print_heading("$strbestgrade: $mygrade / $quiz->grade.");
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}
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if ($quiz->timelimit && !$quiz->attempts) {
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$strconfirmstartattempt = addslashes(get_string("confirmstartattempt","quiz"));
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} else if ($quiz->timelimit && $quiz->attempts) {
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$strconfirmstartattempt = addslashes(get_string("confirmstartattempttimelimit","quiz",$quiz->attempts));
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} else if ($quiz->attempts && !$quiz->timelimit) {
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$strconfirmstartattempt = addslashes(get_string("confirmstartattemptnotimelimit","quiz",$quiz->attempts));
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}
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echo "<br />";
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echo "</p>";
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if ($quiz->delay1 or $quiz->delay2) {
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//quiz enforced time delay
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$lastattempt_obj = get_record_select('quiz_attempts', "quiz = $quiz->id AND attempt = $numattempts AND userid = $USER->id", 'timefinish');
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if ($lastattempt_obj) {
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$lastattempt = $lastattempt_obj->timefinish;
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}
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echo "<div align=\"center\">";
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if($numattempts == 1 && $quiz->delay1) {
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if ($timenow - $quiz->delay1 > $lastattempt) {
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include("view_js.php");
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}
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else {
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$notify_msg = get_string('temporaryblocked', 'quiz') . '<b>'. userdate($lastattempt + $quiz->delay1). '<b>';
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print_simple_box($notify_msg, "center");
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}
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}
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else if($numattempts > 1 && $quiz->delay2) {
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if ($timenow - $quiz->delay2 > $lastattempt) {
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include("view_js.php");
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}
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else {
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$notify_msg = get_string('temporaryblocked', 'quiz') . '<b>'. userdate($lastattempt + $quiz->delay2). '<b>';
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print_simple_box($notify_msg, "center");
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}
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}
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else {
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include("view_js.php");
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}
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echo "</div>\n";
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}
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else {
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echo "<div align=\"center\">";
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include("view_js.php");
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echo "</div>\n";
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}
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}
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} else {
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print_heading(get_string("nomoreattempts", "quiz"));
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if ($quiz->grade and $quiz->sumgrades) {
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print_heading(get_string("yourfinalgradeis", "quiz", "$mygrade / $quiz->grade"));
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}
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print_continue('../../course/view.php?id='.$course->id);
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}
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}
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// Finish the page
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echo '</td></tr></table>';
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print_footer($course);
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function quiz_review_allowed($quiz) {
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// If not even responses are to be shown in review then we
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// don't allow any review
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if (!($quiz->review & QUIZ_REVIEW_RESPONSES)) {
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return false;
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}
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if ((!$quiz->timeclose or time() < $quiz->timeclose) and !($quiz->review & QUIZ_REVIEW_OPEN)) {
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return false;
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}
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if (($quiz->timeclose and time() > $quiz->timeclose) and !($quiz->review & QUIZ_REVIEW_CLOSED)) {
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return false;
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}
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return true;
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}
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?>
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