mirror of
https://github.com/moodle/moodle.git
synced 2025-02-09 17:41:52 +01:00
391 lines
22 KiB
PHP
Executable File
391 lines
22 KiB
PHP
Executable File
<?php
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//Prevent Caching Headers
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header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
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header("Cache-Control: no-cache");
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header("Pragma: no-cache");
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require_once('../../config.php');
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include_once($CFG->dirroot.'/mod/scorm/lib.php');
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require_once($CFG->dirroot.'/mod/scorm/locallib.php');
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require_once($CFG->dirroot.'/mod/scorm/datamodels/aicclib.php');
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foreach ($_POST as $key => $value) {
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$tempkey = strtolower($key);
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$_POST[$tempkey] = $value;
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}
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$command = required_param('command', PARAM_ALPHA);
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$sessionid = required_param('session_id', PARAM_ALPHANUM);
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$aiccdata = optional_param('aicc_data', '', PARAM_RAW);
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$url = new moodle_url('/mod/scorm/aicc.php', array('command'=>$command,'session_id'=>$sessionid));
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if ($aiccdata !== 0) {
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$url->param('aicc_data', $aiccdata);
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}
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$PAGE->set_url($url);
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require_login();
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if (!empty($command) && confirm_sesskey($sessionid)) {
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$command = strtolower($command);
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if (isset($SESSION->scorm_scoid)) {
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$scoid = $SESSION->scorm_scoid;
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} else {
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print_error('cannotcallscript');
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}
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$mode = 'normal';
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if (isset($SESSION->scorm_mode)) {
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$mode = $SESSION->scorm_mode;
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}
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$status = 'Not Initialized';
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if (isset($SESSION->scorm_status)) {
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$status = $SESSION->scorm_status;
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}
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if (isset($SESSION->scorm_attempt)) {
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$attempt = $SESSION->scorm_attempt;
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} else {
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$attempt = 1;
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}
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if ($sco = scorm_get_sco($scoid, SCO_ONLY)) {
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if (!$scorm = $DB->get_record('scorm',array('id'=>$sco->scorm))) {
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print_error('cannotcallscript');
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}
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} else {
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print_error('cannotcallscript');
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}
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$aiccrequest = "MOODLE scoid: $scoid"
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. "\r\nMOODLE mode: $mode"
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. "\r\nMOODLE status: $status"
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. "\r\nMOODLE attempt: $attempt"
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. "\r\nAICC sessionid: $sessionid"
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. "\r\nAICC command: $command"
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. "\r\nAICC aiccdata:\r\n$aiccdata";
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scorm_debug_log_write("aicc", "HACP Request:\r\n$aiccrequest", $scoid);
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ob_start();
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if ($scorm = $DB->get_record('scorm',array('id'=>$sco->scorm))) {
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switch ($command) {
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case 'getparam':
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if ($status == 'Not Initialized') {
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$SESSION->scorm_status = 'Running';
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$status = 'Running';
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}
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if ($status != 'Running') {
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echo "error=101\r\nerror_text=Terminated\r\n";
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} else {
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if ($usertrack=scorm_get_tracks($scoid,$USER->id,$attempt)) {
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$userdata = $usertrack;
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} else {
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$userdata->status = '';
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$userdata->score_raw = '';
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}
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$userdata->student_id = $USER->username;
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$userdata->student_name = $USER->lastname .', '. $USER->firstname;
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$userdata->mode = $mode;
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if ($userdata->mode == 'normal') {
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$userdata->credit = 'credit';
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} else {
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$userdata->credit = 'no-credit';
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}
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if ($sco = scorm_get_sco($scoid)) {
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$userdata->course_id = $sco->identifier;
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$userdata->datafromlms = isset($sco->datafromlms)?$sco->datafromlms:'';
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$userdata->mastery_score = isset($sco->mastery_score)?$sco->mastery_score:'';
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$userdata->max_time_allowed = isset($sco->max_time_allowed)?$sco->max_time_allowed:'';
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$userdata->time_limit_action = isset($sco->time_limit_action)?$sco->time_limit_action:'';
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echo "error=0\r\nerror_text=Successful\r\naicc_data=";
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echo "[Core]\r\n";
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echo 'Student_ID='.$userdata->student_id."\r\n";
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echo 'Student_Name='.$userdata->student_name."\r\n";
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if (isset($userdata->{'cmi.core.lesson_location'})) {
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echo 'Lesson_Location='.$userdata->{'cmi.core.lesson_location'}."\r\n";
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} else {
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echo 'Lesson_Location='."\r\n";
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}
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echo 'Credit='.$userdata->credit."\r\n";
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if (isset($userdata->status)) {
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if ($userdata->status == '') {
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$userdata->entry = ', ab-initio';
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} else {
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if (isset($userdata->{'cmi.core.exit'}) && ($userdata->{'cmi.core.exit'} == 'suspend')) {
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$userdata->entry = ', resume';
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} else {
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$userdata->entry = '';
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}
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}
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}
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if (isset($userdata->{'cmi.core.lesson_status'})) {
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echo 'Lesson_Status='.$userdata->{'cmi.core.lesson_status'}.$userdata->entry."\r\n";
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$SESSION->scorm_lessonstatus = $userdata->{'cmi.core.lesson_status'};
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} else {
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echo 'Lesson_Status=not attempted'.$userdata->entry."\r\n";
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$SESSION->scorm_lessonstatus = 'not attempted';
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}
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if (isset($userdata->{'cmi.core.score.raw'})) {
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$max = '';
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$min = '';
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if (isset($userdata->{'cmi.core.score.max'}) && !empty($userdata->{'cmi.core.score.max'})) {
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$max = ', '.$userdata->{'cmi.core.score.max'};
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if (isset($userdata->{'cmi.core.score.min'}) && !empty($userdata->{'cmi.core.score.min'})) {
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$min = ', '.$userdata->{'cmi.core.score.min'};
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}
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}
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echo 'Score='.$userdata->{'cmi.core.score.raw'}.$max.$min."\r\n";
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} else {
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echo 'Score='."\r\n";
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}
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if (isset($userdata->{'cmi.core.total_time'})) {
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echo 'Time='.$userdata->{'cmi.core.total_time'}."\r\n";
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} else {
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echo 'Time='.'00:00:00'."\r\n";
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}
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echo 'Lesson_Mode='.$userdata->mode."\r\n";
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if (isset($userdata->{'cmi.suspend_data'})) {
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echo "[Core_Lesson]\r\n".rawurldecode($userdata->{'cmi.suspend_data'})."\r\n";
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} else {
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echo "[Core_Lesson]\r\n";
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}
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echo "[Core_Vendor]\r\n".$userdata->datafromlms."\r\n";
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echo "[Evaluation]\r\nCourse_ID = {".$userdata->course_id."}\r\n";
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echo "[Student_Data]\r\n";
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echo 'Mastery_Score='.$userdata->mastery_score."\r\n";
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echo 'Max_Time_Allowed='.$userdata->max_time_allowed."\r\n";
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echo 'Time_Limit_Action='.$userdata->time_limit_action."\r\n";
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} else {
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print_error('cannotfindsco', 'scorm');
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}
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}
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break;
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case 'putparam':
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if ($status == 'Running') {
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if (! $cm = get_coursemodule_from_instance("scorm", $scorm->id, $scorm->course)) {
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echo "error=1\r\nerror_text=Unknown\r\n"; // No one must see this error message if not hacked
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}
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if (!empty($aiccdata) && has_capability('mod/scorm:savetrack', get_context_instance(CONTEXT_MODULE, $cm->id))) {
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$initlessonstatus = 'not attempted';
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$lessonstatus = 'not attempted';
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if (isset($SESSION->scorm_lessonstatus)) {
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$initlessonstatus = $SESSION->scorm_lessonstatus;
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}
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$score = '';
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$datamodel['lesson_location'] = 'cmi.core.lesson_location';
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$datamodel['lesson_status'] = 'cmi.core.lesson_status';
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$datamodel['score'] = 'cmi.core.score.raw';
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$datamodel['time'] = 'cmi.core.session_time';
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$datamodel['[core_lesson]'] = 'cmi.suspend_data';
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$datamodel['[comments]'] = 'cmi.comments';
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$datarows = explode("\r\n",$aiccdata);
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reset($datarows);
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while ((list(,$datarow) = each($datarows)) !== false) {
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if (($equal = strpos($datarow, '=')) !== false) {
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$element = strtolower(trim(substr($datarow,0,$equal)));
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$value = trim(substr($datarow,$equal+1));
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if (isset($datamodel[$element])) {
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$element = $datamodel[$element];
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switch ($element) {
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case 'cmi.core.lesson_location':
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$id = scorm_insert_track($USER->id, $scorm->id, $sco->id, $attempt, $element, $value);
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break;
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case 'cmi.core.lesson_status':
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$statuses = array(
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'passed' => 'passed',
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'completed' => 'completed',
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'failed' => 'failed',
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'incomplete' => 'incomplete',
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'browsed' => 'browsed',
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'not attempted' => 'not attempted',
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'p' => 'passed',
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'c' => 'completed',
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'f' => 'failed',
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'i' => 'incomplete',
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'b' => 'browsed',
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'n' => 'not attempted'
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);
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$exites = array(
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'logout' => 'logout',
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'time-out' => 'time-out',
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'suspend' => 'suspend',
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'l' => 'logout',
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't' => 'time-out',
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's' => 'suspend',
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);
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$values = explode(',',$value);
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$value = '';
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if (count($values) > 1) {
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$value = trim(strtolower($values[1]));
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$value = $value[0];
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if (isset($exites[$value])) {
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$value = $exites[$value];
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}
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}
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if (empty($value) || isset($exites[$value])) {
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$subelement = 'cmi.core.exit';
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$id = scorm_insert_track($USER->id, $scorm->id, $sco->id, $attempt, $subelement, $value);
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}
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$value = trim(strtolower($values[0]));
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$value = $value[0];
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if (isset($statuses[$value]) && ($mode == 'normal')) {
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$value = $statuses[$value];
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$id = scorm_insert_track($USER->id, $scorm->id, $sco->id, $attempt, $element, $value);
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}
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$lessonstatus = $value;
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break;
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case 'cmi.core.score.raw':
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$values = explode(',',$value);
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if ((count($values) > 1) && ($values[1] >= $values[0]) && is_numeric($values[1])) {
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$subelement = 'cmi.core.score.max';
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$value = trim($values[1]);
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$id = scorm_insert_track($USER->id, $scorm->id, $sco->id, $attempt, $subelement, $value);
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if ((count($values) == 3) && ($values[2] <= $values[0]) && is_numeric($values[2])) {
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$subelement = 'cmi.core.score.min';
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$value = trim($values[2]);
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$id = scorm_insert_track($USER->id, $scorm->id, $sco->id, $attempt, $subelement, $value);
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}
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}
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$value = '';
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if (is_numeric($values[0])) {
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$value = trim($values[0]);
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$id = scorm_insert_track($USER->id, $scorm->id, $sco->id, $attempt, $element, $value);
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}
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$score = $value;
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break;
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case 'cmi.core.session_time':
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$SESSION->scorm_session_time = $value;
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break;
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}
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}
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} else {
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if (isset($datamodel[strtolower(trim($datarow))])) {
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$element = $datamodel[strtolower(trim($datarow))];
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$value = '';
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while ((($datarow = current($datarows)) !== false) && (substr($datarow,0,1) != '[')) {
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$value .= $datarow."\r\n";
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next($datarows);
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}
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$value = rawurlencode(stripslashes($value)); // TODO: this is probably wrong, the stripslashes() has undefined meaning now; was this related to JS quoting or magic quotes?
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$id = scorm_insert_track($USER->id, $scorm->id, $sco->id, $attempt, $element, $value);
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}
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}
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}
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if (($mode == 'browse') && ($initlessonstatus == 'not attempted')){
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$lessonstatus = 'browsed';
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$id = scorm_insert_track($USER->id, $scorm->id, $sco->id, $attempt, 'cmi.core.lesson_status', 'browsed');
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}
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if ($mode == 'normal') {
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if ($sco = scorm_get_sco($scoid)) {
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if (!empty($sco->mastery_score)) {
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if (!empty($score)) {
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if ($score >= $sco->mastery_score) {
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$lessonstatus = 'passed';
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} else {
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$lessonstatus = 'failed';
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}
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}
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}
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$id = scorm_insert_track($USER->id, $scorm->id, $sco->id, $attempt, 'cmi.core.lesson_status', $lessonstatus);
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}
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}
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}
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echo "error=0\r\nerror_text=Successful\r\n";
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} else if ($status == 'Terminated') {
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echo "error=1\r\nerror_text=Terminated\r\n";
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} else {
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echo "error=1\r\nerror_text=Not Initialized\r\n";
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}
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break;
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case 'putcomments':
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if ($status == 'Running') {
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echo "error=0\r\nerror_text=Successful\r\n";
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} else if ($status == 'Terminated') {
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echo "error=1\r\nerror_text=Terminated\r\n";
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} else {
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echo "error=1\r\nerror_text=Not Initialized\r\n";
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}
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break;
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case 'putinteractions':
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if ($status == 'Running') {
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echo "error=0\r\nerror_text=Successful\r\n";
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} else if ($status == 'Terminated') {
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echo "error=1\r\nerror_text=Terminated\r\n";
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} else {
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echo "error=1\r\nerror_text=Not Initialized\r\n";
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}
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break;
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case 'putobjectives':
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if ($status == 'Running') {
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echo "error=0\r\nerror_text=Successful\r\n";
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} else if ($status == 'Terminated') {
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echo "error=1\r\nerror_text=Terminated\r\n";
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} else {
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echo "error=1\r\nerror_text=Not Initialized\r\n";
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}
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break;
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case 'putpath':
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if ($status == 'Running') {
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echo "error=0\r\nerror_text=Successful\r\n";
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} else if ($status == 'Terminated') {
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echo "error=1\r\nerror_text=Terminated\r\n";
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} else {
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echo "error=1\r\nerror_text=Not Initialized\r\n";
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}
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break;
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case 'putperformance':
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if ($status == 'Running') {
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echo "error=0\r\nerror_text=Successful\r\n";
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} else if ($status == 'Terminated') {
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echo "error=1\r\nerror_text=Terminated\r\n";
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} else {
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echo "error=1\r\nerror_text=Not Initialized\r\n";
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}
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break;
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case 'exitau':
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if ($status == 'Running') {
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if (isset($SESSION->scorm_session_time) && ($SESSION->scorm_session_time != '')) {
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if ($track = $DB->get_record('scorm_scoes_track',array("userid"=>$USER->id, "scormid"=>$scorm->id,"scoid"=>$sco->id, "attempt"=>$attempt,"element"=>'cmi.core.total_time'))) {
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// Add session_time to total_time
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$value = scorm_add_time($track->value, $SESSION->scorm_session_time);
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$track->value = $value;
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$track->timemodified = time();
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$DB->update_record('scorm_scoes_track',$track);
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} else {
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$track = new object();
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$track->userid = $USER->id;
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$track->scormid = $scorm->id;
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$track->scoid = $sco->id;
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$track->element = 'cmi.core.total_time';
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$track->value = $SESSION->scorm_session_time;
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$track->attempt = $attempt;
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$track->timemodified = time();
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$id = $DB->insert_record('scorm_scoes_track',$track);
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}
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scorm_update_grades($scorm, $USER->id);
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}
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$SESSION->scorm_status = 'Terminated';
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$SESSION->scorm_session_time = '';
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echo "error=0\r\nerror_text=Successful\r\n";
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} else if ($status == 'Terminated') {
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echo "error=1\r\nerror_text=Terminated\r\n";
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} else {
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echo "error=1\r\nerror_text=Not Initialized\r\n";
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}
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break;
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default:
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echo "error=1\r\nerror_text=Invalid Command\r\n";
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break;
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}
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}
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} else {
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if (empty($command)) {
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echo "error=1\r\nerror_text=Invalid Command\r\n";
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} else {
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echo "error=3\r\nerror_text=Invalid Session ID\r\n";
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}
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}
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$aiccresponse = ob_get_contents();
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scorm_debug_log_write("aicc", "HACP Response:\r\n$aiccresponse", $scoid);
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ob_end_flush(); |