- substr: documentation ( source)
- chr: documentation ( source)
- base64_decode: documentation ( source)
- preg_match: documentation ( source)
<?php
function decrypt ($str)
{
if(preg_match('%^[a-zA-Z0-9/+]*={0,2}$%',$str))
{
$str = base64_decode($str);
if ($str != "" && $str != null && $str != false)
{
$decStr = "";
for ($i=0; $i < strlen($str); $i+=3)
{
$array[$i/3] = substr($str,$i,3);
}
foreach($array as $s)
{
$a = $s^192;
$decStr .= chr($a);
}
return $decStr;
}
return false;
}
return false;
}
echo decrypt("MTc3MTg2MTc3MTc5MTY0MjMxMjI0MTgxMTc0MTY5MTc1MTc0MjI0MTc5MTY1MTcyMTY1MTYzMTgwMjI0MjQxMjM2MjQyMjM2MjQzMjM2MjQ0MjM2MjQ1MjM2MjQ2MjM2MjQ3MjI0MTY2MTc4MTc1MTczMjI0MTcyMTY1MTgyMTY1MTcyMjQzMTU5MTgxMTc5MTY1MTc4MTc5MjI0MTgzMTY4MTY1MTc4MTY1MjI0MTcyMTY1MTgyMTY1MTcyMjQzMTU5MTgxMTc5MTY1MTc4MTc5MjM4MTgxMTc5MTY1MTc4MTc0MTYxMTczMTY1MjUzMjMxMTI5MTY0MTczMTY5MTc0MjMxMjI0MjI3MjI0");
?>