function encode($value){
$key = sha1('EnCRypT10nK#Y!RiSRNn');
if(!$value){return false;}
$strLen = strlen($value);
$keyLen = strlen($key);
$j=0;
$crypttext= '';
for ($i = 0; $i < $strLen; $i++) {
$ordStr = ord(substr($value,$i,1));
if ($j == $keyLen) { $j = 0; }
$ordKey = ord(substr($key,$j,1));
$j++;
$crypttext .= strrev(base_convert(dechex($ordStr + $ordKey),16,36));
}
return $crypttext;

}

 function decode($value){
    if(!$value){return false;}
        $key = sha1('EnCRypT10nK#Y!RiSRNn');
        $strLen = strlen($value);
        $keyLen = strlen($key);
        $j=0;
        $decrypttext= '';
        for ($i = 0; $i < $strLen; $i+=2) {
            $ordStr = hexdec(base_convert(strrev(substr($value,$i,2)),36,16));
            if ($j == $keyLen) { $j = 0; }
            $ordKey = ord(substr($key,$j,1));
            $j++;
            $decrypttext .= chr($ordStr - $ordKey);
        }

    return $decrypttext;
}