<?php
if($_SERVER['HTTP_REFERER'] !== 'http://pmtmix.ga/') {
  die("Xin lỗi, bạn phải vào trang chủ để đảo đề!, <a href='http://pmtmix.ga'>click vào đây</a> để đến trang chủ!");
}
if(isset($_POST['uplenphpne'])) {
if(isset($_POST['cautrucde'])) {
$dulieunhapvao = $_POST['uplenphpne'];
$demsocau = substr_count($dulieunhapvao, "##cau");
if ($demsocau == 100){
echo "PMTmix chỉ đảo tối đa 100 câu!";
}
else {
$dulieuthemcau = $demsocau+1;
$themcau = "$dulieunhapvao ##cau $dulieuthemcau:";
$n=1;
for ($i = 1; $i <= $demsocau; $i++){
$k=$i+$n;
$catchuoi = strstr($themcau, "##cau ".$i.":", false);
$catchuoi2 = strstr($catchuoi, "##cau ".$k.":", true);
$catchuoi3 = str_replace("##cau ".$i.":", "##cau ".$i.":::::", $catchuoi2);
$my_array[$i] = $catchuoi3;
}
echo "<textarea id='inra' name='description'>";
for ($hehe = 1; $hehe <= $_POST['sodecandao']; $hehe++){
shuffle($my_array);
echo "<page size='PMTmix'><span><center><span style='font-size:20px;color:red;'><b>Đề số ".$hehe."</b></span></center><hr>";
for ($a = 0; $a <= $demsocau-1; $a++){
$j = $a+1;
$catcaune = strstr($my_array[$a], "##A:", true);
$themdapan = "$my_array[$a] ##E:";

$catchuoidapana = strstr($themdapan, "##A:", false);
$catchuoidapana2 = strstr($catchuoidapana, "##B:", true);

$catchuoidapanb = strstr($themdapan, "##B:", false);
$catchuoidapanb2 = strstr($catchuoidapanb, "##C:", true);

$catchuoidapanc = strstr($themdapan, "##C:", false);
$catchuoidapanc2 = strstr($catchuoidapanc, "##D:", true);

$catchuoidapand = strstr($themdapan, "##D:", false);
$catchuoidapand2 = strstr($catchuoidapand, "##E:", true);

$arraydapan[0] = $catchuoidapana2;
$arraydapan[1] = $catchuoidapanb2;
$arraydapan[2] = $catchuoidapanc2;
$arraydapan[3] = $catchuoidapand2;

shuffle($arraydapan);

$cattonghop0 = substr($catcaune, 12);
$cat01 = str_replace("##A:", '', $arraydapan[0]);
$cat02 = str_replace("##B:", '', $cat01);
$cat03 = str_replace("##C:", '', $cat02);
$cat04 = str_replace("##D:", '', $cat03);
$cat11 = str_replace("##A:", '', $arraydapan[1]);
$cat12 = str_replace("##B:", '', $cat11);
$cat13 = str_replace("##C:", '', $cat12);
$cat14 = str_replace("##D:", '', $cat13);
$cat21 = str_replace("##A:", '', $arraydapan[2]);
$cat22 = str_replace("##B:", '', $cat21);
$cat23 = str_replace("##C:", '', $cat22);
$cat24 = str_replace("##D:", '', $cat23);
$cat31 = str_replace("##A:", '', $arraydapan[3]);
$cat32 = str_replace("##B:", '', $cat31);
$cat33 = str_replace("##C:", '', $cat32);
$cat34 = str_replace("##D:", '', $cat33);

$tieptheo = "pmtmixCâu ".$j.":pmtmix".$catcaune;
$catlaycauxuatra1 = strstr($tieptheo, "pmtmixCâu ", false);
$catlaycauxuatra2 = strstr($catlaycauxuatra1, ":pmtmix", true);
$catlaycauxuatra3 = str_replace("pmtmixCâu ", "", $catlaycauxuatra2);
$catlaycauduavao1 = strstr($tieptheo, "##cau ", false);
$catlaycauduavao2 = strstr($catlaycauduavao1, ":::::", true);
$catlaycauduavao3 = str_replace("##cau ", "", $catlaycauduavao2);

if ($catlaycauduavao3 == "1"){$cauduavao = $_POST['causo4dapan1'];}
if ($catlaycauduavao3 == "2"){$cauduavao = $_POST['causo4dapan2'];}
if ($catlaycauduavao3 == "3"){$cauduavao = $_POST['causo4dapan3'];}
if ($catlaycauduavao3 == "4"){$cauduavao = $_POST['causo4dapan4'];}
if ($catlaycauduavao3 == "5"){$cauduavao = $_POST['causo4dapan5'];}
if ($catlaycauduavao3 == "6"){$cauduavao = $_POST['causo4dapan6'];}
if ($catlaycauduavao3 == "7"){$cauduavao = $_POST['causo4dapan7'];}
if ($catlaycauduavao3 == "8"){$cauduavao = $_POST['causo4dapan8'];}
if ($catlaycauduavao3 == "9"){$cauduavao = $_POST['causo4dapan9'];}
if ($catlaycauduavao3 == "10"){$cauduavao = $_POST['causo4dapan10'];}
if ($catlaycauduavao3 == "11"){$cauduavao = $_POST['causo4dapan11'];}
if ($catlaycauduavao3 == "12"){$cauduavao = $_POST['causo4dapan12'];}
if ($catlaycauduavao3 == "13"){$cauduavao = $_POST['causo4dapan13'];}
if ($catlaycauduavao3 == "14"){$cauduavao = $_POST['causo4dapan14'];}
if ($catlaycauduavao3 == "15"){$cauduavao = $_POST['causo4dapan15'];}
if ($catlaycauduavao3 == "16"){$cauduavao = $_POST['causo4dapan16'];}
if ($catlaycauduavao3 == "17"){$cauduavao = $_POST['causo4dapan17'];}
if ($catlaycauduavao3 == "18"){$cauduavao = $_POST['causo4dapan18'];}
if ($catlaycauduavao3 == "19"){$cauduavao = $_POST['causo4dapan19'];}
if ($catlaycauduavao3 == "20"){$cauduavao = $_POST['causo4dapan20'];}
if ($catlaycauduavao3 == "21"){$cauduavao = $_POST['causo4dapan21'];}
if ($catlaycauduavao3 == "22"){$cauduavao = $_POST['causo4dapan22'];}
if ($catlaycauduavao3 == "23"){$cauduavao = $_POST['causo4dapan23'];}
if ($catlaycauduavao3 == "24"){$cauduavao = $_POST['causo4dapan24'];}
if ($catlaycauduavao3 == "25"){$cauduavao = $_POST['causo4dapan25'];}
if ($catlaycauduavao3 == "26"){$cauduavao = $_POST['causo4dapan26'];}
if ($catlaycauduavao3 == "27"){$cauduavao = $_POST['causo4dapan27'];}
if ($catlaycauduavao3 == "28"){$cauduavao = $_POST['causo4dapan28'];}
if ($catlaycauduavao3 == "29"){$cauduavao = $_POST['causo4dapan29'];}
if ($catlaycauduavao3 == "30"){$cauduavao = $_POST['causo4dapan30'];}
if ($catlaycauduavao3 == "31"){$cauduavao = $_POST['causo4dapan31'];}
if ($catlaycauduavao3 == "32"){$cauduavao = $_POST['causo4dapan32'];}
if ($catlaycauduavao3 == "33"){$cauduavao = $_POST['causo4dapan33'];}
if ($catlaycauduavao3 == "34"){$cauduavao = $_POST['causo4dapan34'];}
if ($catlaycauduavao3 == "35"){$cauduavao = $_POST['causo4dapan35'];}
if ($catlaycauduavao3 == "36"){$cauduavao = $_POST['causo4dapan36'];}
if ($catlaycauduavao3 == "37"){$cauduavao = $_POST['causo4dapan37'];}
if ($catlaycauduavao3 == "38"){$cauduavao = $_POST['causo4dapan38'];}
if ($catlaycauduavao3 == "39"){$cauduavao = $_POST['causo4dapan39'];}
if ($catlaycauduavao3 == "40"){$cauduavao = $_POST['causo4dapan40'];}
if ($catlaycauduavao3 == "41"){$cauduavao = $_POST['causo4dapan41'];}
if ($catlaycauduavao3 == "42"){$cauduavao = $_POST['causo4dapan42'];}
if ($catlaycauduavao3 == "43"){$cauduavao = $_POST['causo4dapan43'];}
if ($catlaycauduavao3 == "44"){$cauduavao = $_POST['causo4dapan44'];}
if ($catlaycauduavao3 == "45"){$cauduavao = $_POST['causo4dapan45'];}
if ($catlaycauduavao3 == "46"){$cauduavao = $_POST['causo4dapan46'];}
if ($catlaycauduavao3 == "47"){$cauduavao = $_POST['causo4dapan47'];}
if ($catlaycauduavao3 == "48"){$cauduavao = $_POST['causo4dapan48'];}
if ($catlaycauduavao3 == "49"){$cauduavao = $_POST['causo4dapan49'];}
if ($catlaycauduavao3 == "50"){$cauduavao = $_POST['causo4dapan50'];}
if ($catlaycauduavao3 == "51"){$cauduavao = $_POST['causo4dapan51'];}
if ($catlaycauduavao3 == "52"){$cauduavao = $_POST['causo4dapan52'];}
if ($catlaycauduavao3 == "53"){$cauduavao = $_POST['causo4dapan53'];}
if ($catlaycauduavao3 == "54"){$cauduavao = $_POST['causo4dapan54'];}
if ($catlaycauduavao3 == "55"){$cauduavao = $_POST['causo4dapan55'];}
if ($catlaycauduavao3 == "56"){$cauduavao = $_POST['causo4dapan56'];}
if ($catlaycauduavao3 == "57"){$cauduavao = $_POST['causo4dapan57'];}
if ($catlaycauduavao3 == "58"){$cauduavao = $_POST['causo4dapan58'];}
if ($catlaycauduavao3 == "59"){$cauduavao = $_POST['causo4dapan59'];}
if ($catlaycauduavao3 == "60"){$cauduavao = $_POST['causo4dapan60'];}
if ($catlaycauduavao3 == "61"){$cauduavao = $_POST['causo4dapan61'];}
if ($catlaycauduavao3 == "62"){$cauduavao = $_POST['causo4dapan62'];}
if ($catlaycauduavao3 == "63"){$cauduavao = $_POST['causo4dapan63'];}
if ($catlaycauduavao3 == "64"){$cauduavao = $_POST['causo4dapan64'];}
if ($catlaycauduavao3 == "65"){$cauduavao = $_POST['causo4dapan65'];}
if ($catlaycauduavao3 == "66"){$cauduavao = $_POST['causo4dapan66'];}
if ($catlaycauduavao3 == "67"){$cauduavao = $_POST['causo4dapan67'];}
if ($catlaycauduavao3 == "68"){$cauduavao = $_POST['causo4dapan68'];}
if ($catlaycauduavao3 == "69"){$cauduavao = $_POST['causo4dapan69'];}
if ($catlaycauduavao3 == "70"){$cauduavao = $_POST['causo4dapan70'];}
if ($catlaycauduavao3 == "71"){$cauduavao = $_POST['causo4dapan71'];}
if ($catlaycauduavao3 == "72"){$cauduavao = $_POST['causo4dapan72'];}
if ($catlaycauduavao3 == "73"){$cauduavao = $_POST['causo4dapan73'];}
if ($catlaycauduavao3 == "74"){$cauduavao = $_POST['causo4dapan74'];}
if ($catlaycauduavao3 == "75"){$cauduavao = $_POST['causo4dapan75'];}
if ($catlaycauduavao3 == "76"){$cauduavao = $_POST['causo4dapan76'];}
if ($catlaycauduavao3 == "77"){$cauduavao = $_POST['causo4dapan77'];}
if ($catlaycauduavao3 == "78"){$cauduavao = $_POST['causo4dapan78'];}
if ($catlaycauduavao3 == "79"){$cauduavao = $_POST['causo4dapan79'];}
if ($catlaycauduavao3 == "80"){$cauduavao = $_POST['causo4dapan80'];}
if ($catlaycauduavao3 == "81"){$cauduavao = $_POST['causo4dapan81'];}
if ($catlaycauduavao3 == "82"){$cauduavao = $_POST['causo4dapan82'];}
if ($catlaycauduavao3 == "83"){$cauduavao = $_POST['causo4dapan83'];}
if ($catlaycauduavao3 == "84"){$cauduavao = $_POST['causo4dapan84'];}
if ($catlaycauduavao3 == "85"){$cauduavao = $_POST['causo4dapan85'];}
if ($catlaycauduavao3 == "86"){$cauduavao = $_POST['causo4dapan86'];}
if ($catlaycauduavao3 == "87"){$cauduavao = $_POST['causo4dapan87'];}
if ($catlaycauduavao3 == "88"){$cauduavao = $_POST['causo4dapan88'];}
if ($catlaycauduavao3 == "89"){$cauduavao = $_POST['causo4dapan89'];}
if ($catlaycauduavao3 == "90"){$cauduavao = $_POST['causo4dapan90'];}
if ($catlaycauduavao3 == "91"){$cauduavao = $_POST['causo4dapan91'];}
if ($catlaycauduavao3 == "92"){$cauduavao = $_POST['causo4dapan92'];}
if ($catlaycauduavao3 == "93"){$cauduavao = $_POST['causo4dapan93'];}
if ($catlaycauduavao3 == "94"){$cauduavao = $_POST['causo4dapan94'];}
if ($catlaycauduavao3 == "95"){$cauduavao = $_POST['causo4dapan95'];}
if ($catlaycauduavao3 == "96"){$cauduavao = $_POST['causo4dapan96'];}
if ($catlaycauduavao3 == "97"){$cauduavao = $_POST['causo4dapan97'];}
if ($catlaycauduavao3 == "98"){$cauduavao = $_POST['causo4dapan98'];}
if ($catlaycauduavao3 == "99"){$cauduavao = $_POST['causo4dapan99'];}
if ($catlaycauduavao3 == "100"){$cauduavao = $_POST['causo4dapan100'];}

$kiemtradapandung0 = substr_count($arraydapan[0], $cauduavao);
$kiemtradapandung1 = substr_count($arraydapan[1], $cauduavao);
$kiemtradapandung2 = substr_count($arraydapan[2], $cauduavao);
$kiemtradapandung3 = substr_count($arraydapan[3], $cauduavao);
if ($kiemtradapandung0 == 1){$dapandung = "A";}
if ($kiemtradapandung1 == 1){$dapandung = "B";}
if ($kiemtradapandung2 == 1){$dapandung = "C";}
if ($kiemtradapandung3 == 1){$dapandung = "D";}

$my_array1[$j] = $j."-".$dapandung;

$kiemtracautrucde = $_POST['cautrucde'];
if($kiemtracautrucde == "cautruc41") {
echo "<table style='width:100%'><tr><td colspan='4'>Câu ".$j.":".$cattonghop0."</td></tr><tr><td>A:".$cat04."</td><td>B:".$cat14."</td><td>C:".$cat24."</td><td>D:".$cat34."</td></tr></table>";
}
if($kiemtracautrucde == "cautruc42") {
echo "<table style='width:100%'><tr><td colspan='2'>Câu ".$j.":".$cattonghop0."</td></tr><tr><td>A:".$cat04."</td><td>B:".$cat14."</td></tr><tr><td>C:".$cat24."</td><td>D:".$cat34."</td></tr></table>";
}
if($kiemtracautrucde == "cautruc43") {
echo "<table style='width:100%'><tr><td>Câu ".$j.":".$cattonghop0."</td></tr><tr><td>A:".$cat04."</td></tr><tr><td>B:".$cat14."</td></tr><tr><td>C:".$cat24."</td></tr><tr><td>D:".$cat34."</td></tr></table>";
}
}
echo "<center><b><span style='font-size:20px;color:blue;'>Đáp án</span></b></center><hr><table border='1'>";
for ($a = 1; $a <= $demsocau; $a++){
echo "<span style='border-style: double;padding: 2px 2px 2px 2px;'>".$my_array1[$a]."</span>";
}
echo "</table>";
echo "</span></page>";
}
echo "</textarea>";
}
}
else {
	echo "Bạn chưa chọn cấu trúc đề!";
}
}
else{
	echo "Bạn cần nhập đề bài vào!";
}
?>