^
';
session_start();
#Cookies auslesen
if(isset($_COOKIE["session"])) {
foreach(json_decode($_COOKIE["session"],true) as $key => $val) $_SESSION[$key]=$val;
}
#Retest initialisieren
if(!isset($_SESSION['retest'])) $_SESSION['retest']=array(NULL,NULL,NULL,NULL,NULL);
if(sizeof($_SESSION['retest']) < 3 ) $_SESSION['retest']=array(NULL,NULL,NULL,NULL,NULL);
#Kursliste bauen
$courses=array();
#$course_array=array("03443","03443_HLM","03444","03444_SEM","03445","03445_1","M1_PK","Klausur_SS20_MM3","03461","03461_Quiz","03462","03463","03464","M4_Quiz_OHP","M4_Klausur_SS20","M4_Klausur_WS20","M4_Moodle_OHP","M4_Quiz_PA","M4_Moodle_PA","03440_c2b","03440","03441_c2b","03441","03442_c2b","03442","M10-03440_sf","M10-03441_sf","M10","M6_3471","M6_3472","M8_KT","M8_F2","M8_F3","M8_Oxana");
$course_array=array("03443","03443_HLM","03444","03444_SEM","03445","03445_1","M1_PK","M5_Vorschule","M5_Schule","M5_Hochschule","M5_Erwachsene","M5_Sonstige","M6_3471","M6_3472","M6_3473");
#$course_array=array("03443","03443_HLM","03444","03444_SEM","03445","03445_1","M1_PK","Klausur_SS20_MM3","03461","03461_Quiz","03462","03463","03464","M4_Quiz_OHP","M4_Klausur_SS20","M4_Klausur_WS20","M4_Moodle_OHP","M4_Quiz_PA","M4_Moodle_PA","M6_3471","M6_3472","M6_3473","M8_KT","M8_F2","M8_F3","M8_Oxana");
#Kursdateiliste aus POST regenerieren
foreach($course_array as $course_file) {
if(isset($_POST[$course_file])) array_push($courses,$_POST[$course_file]);
}
#Wenn Kursdateiliste leer dann initialisieren
if(sizeof($courses) == 0) $courses=array("M6_3471");
#Alle Zähler aus der Session einlesen
foreach(array('answered','correct','incorrect','question_id') as $key) if(!isset($_SESSION[$key])) $_SESSION[$key]=0;
$questions=array();
#Baue Frageliste dur Einlesen der Kursdateien auf
foreach($courses as $course_file) {
$questions_in=json_decode(file_get_contents($course_file.".json"),true);
foreach($questions_in as $question) array_push($questions,$question);
}
#Wenn ein Restart verlangt wird initilaisiere alle Zähler neu
if(isset($_POST["restart"])) {
foreach(array('answered','correct','incorrect','question_id') as $key) $_SESSION[$key]=0;
$_SESSION['retest']=array(NULL,NULL,NULL,NULL,NULL);
}
if(isset($_POST["mode"])) {
$mode=$_POST["mode"];
} else {
$mode="linear";
}
if($mode=="") $mode="linear";
if(isset($_POST["retest"])) {
$retest=$_POST["retest"];
} else {
$retest="off";
}
if($retest=="") $retest="off";
#Antwort behandeln
if(isset($_POST["question"])) {
$question_id=htmlspecialchars($_POST["question"]);
$answer = "";
if(isset($_POST["answer"])) $answer.=$_POST["answer"];
foreach(array("a","b","c","d","e","f","g","i","h","j","k","l","m") as $key) if(isset($_POST[$key])) $answer.=$key;
} else {
$question_id=$_SESSION['question_id']++;
if($_SESSION['question_id'] == sizeof($questions)) $_SESSION['question_id']=0;
if($mode == "random") $question_id=array_rand($questions);
if(isset($_POST["jumpto"])) if(is_numeric($_POST["jumpto"])) if($_POST["jumpto"] > 0 && $_POST["jumpto"] < sizeof($questions) ) $_SESSION['question_id']=($question_id=$_POST["jumpto"]-1)+1;
$_SESSION['retest_val']=array_shift($_SESSION['retest']);
if($_SESSION['retest_val'] && $retest=="on") {
$question_id=$_SESSION['retest_val']['id'];
$_SESSION['question_id']--;
}
}
#Form erzeugen
$question=$questions[$question_id];
#$output.="Hallo {$_SERVER['PHP_AUTH_USER']}.
";
$output.="\n";
if(isset($_POST["question"])) {
if(!$_SESSION['retest_val']) $_SESSION['answered']++;
if($answer == trim($question['solution'])) {
if(!$_SESSION['retest_val']) $_SESSION['correct']++;
if($_SESSION['retest_val']) {
$error_count=$_SESSION['retest_val']['error_count']-1;
if($error_count) {
array_push($_SESSION['retest'],array('id' => $question_id,'error_count' => $error_count));
} else {
$_SESSION['correct']++;
$_SESSION['incorrect']--;
}
} else {
array_push($_SESSION['retest'],NULL);
}
#$output.="
\nRICHTIG !!!\n\n";
} else {
if(!$_SESSION['retest_val']) $_SESSION['incorrect']++;
array_push($_SESSION['retest'],array('id' => $question_id,'error_count' => 2));
$output.="
\n";
#$output.="FALSCH !!! ";
#if (trim($question['solution_comment']) !="" ) $output.="Hinweis : ".trim($question['solution_comment'])."\n\n";
}
if (trim($question['solution_comment']) !="" ) $output.="Hinweis : ".htmlentities(trim($question['solution_comment']),ENT_COMPAT | ENT_HTML401 , "utf-8")."
\n\n";
}
$output.="
".$_SESSION['correct']."/".$_SESSION['incorrect']."/".$_SESSION['answered']."/".sizeof($questions)."
\n";
if($retest=="on") {
$output.="
Fragen im Retest: ";
foreach($_SESSION['retest'] as $val) if($val) $output.=($val['id']+1)." ";
}
$output.="\n\n