<?php
//By PuN!Sh3r
if(isset($_POST['plain'])&&!empty($_POST['plain'])){

$encrypt = $_POST['plain'];

$array = range("~",".");

$array[] = "&";
$array[] = " ";
$array[] = "+";
$array[] = "\"";
$array[] = "-";
$array[] = "'";
$array[] = ",";
$array[] = ")";
$array[] = "(";
$array[] = "*";

$array[] = "$";
$array[] = "%";
$array[] = "#";

$array[] = "{el1}";
$array[] = "{el2}";
$array[] = "{el3}";
$array[] = "{el4}";
$array[] = "{el5}";
$array[] = "{el6}";
function encrypt($encrypt){

global $array;

$uzunluq = strlen($encrypt);
$index = $uzunluq - 1;

for($i=0;$i<$uzunluq;$i++){

$herf = $encrypt{$i};

if(in_array($herf,$array)){
$array_a = array_flip($array);
$position = $array_a[$herf];
$mix_ed = mix($position,$array);

$generated = $array[$mix_ed];
echo $generated;

}

}


}

function mix($position,$array){
$mixed = $position + 3;
$say = count($array) - 1;
if($mixed>$say){
$mixed = $mixed-10;
}

return $mixed;
}

echo "<center><b>Encrypted format:  </b><i>"; encrypt($encrypt);
echo "</i>";
echo '<br><a href="decrypt.php">Decode et <a/>';
echo "<br><br><br>";

}
?>

<center><form action="" method="POST">
<h2>Plain text for Encoding:</h2><br><input type="text" name="plain"><br>
<input type="submit" value="Encode">
</form>

<?php
error_reporting(0);
//By PuN!Sh3r
if(isset($_POST['crypt'])&&!empty($_POST['crypt'])){
$decrypt = $_POST['crypt'];

$array = range("~",".");
$array[] = "&";
$array[] = " ";
$array[] = "+";
$array[] = "\"";
$array[] = "-";
$array[] = "'";
$array[] = ",";
$array[] = ")";
$array[] = "(";
$array[] = "*";

$array[] = "$";
$array[] = "%";
$array[] = "#";
$array[] = "{el1}";
$array[] = "{el2}";
$array[] = "{el3}";
$array[] = "{el4}";
$array[] = "{el5}";
$array[] = "{el6}";

function decrypt($decrypt){
global $array,$saxla;

$uzunluq = strlen($decrypt);

dogra($decrypt);


for($i=0;$i<$uzunluq;$i++){

if(isset($saxla[$i])){

if($saxla[$i]=="{el1}"){

//$decrypt = str_replace("{el1}","",$decrypt);
echo  "%";
//$i -=2;
}


}


$herf = $decrypt{$i};
if(in_array($herf,$array)){

$array_a = array_flip($array);
$position = $array_a[$herf];
$mix_ed = mix($position,$array);
$generated = $array[$mix_ed];
//$generated = str_replace("~ho4","",$generated);
echo htmlentities($generated);

}

}



}


function mix($position,$array){
$mixed = $position - 3;
return $mixed;
}


function dogra($soz){
  global $saxla;
$uzunluq = strlen($soz);
$saxla = array();
for($i=0;$i<$uzunluq;$i++){
$hisse = substr($soz,$i,5);
if(strstr($hisse,"{el1}")){
$saxla[$i] = $hisse;
}
}

}


echo "<center><b>Decrypted format:  </b><i>"; decrypt($decrypt);
echo "</i>";
echo '<br><a href="encrypt.php">Encode et <a/>';
echo "<br><br><br>";
}
?>

<center><form action="" method="POST">
<h2>Crypt text for Decoding:</h2><br><input type="text" name="crypt"><br>
<input type="submit" value="Decode">
</form>