5tarl0rd

<?php

function clean_codes($slug)

{

	$str = mysql_real_escape_string($slug);

	$str = strip_tags($str);

	$str = str_replace("%","-",$str);

	$str = str_replace(":","-",$str);

	$str = str_replace("?","-",$str);

	$str = str_replace(":","-",$str);

	$str = str_replace("'","-",$str);

	$str = str_replace('"',"-",$str);

	$str = str_replace('=',"-",$str);

	$str = str_replace('1=1',"-",$str);

	$str = str_replace('--',"-",$str);

	$str = str_replace('UNION',"-",$str);

	$str = str_replace('union',"-",$str);

	return $str;

}



function mctencode($string,$key) {

    $key = sha1($key);

    $strLen = strlen($string);

    $keyLen = strlen($key);

    $j = 0;

	$hash = "";

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

        $ordStr = ord(substr($string,$i,1));

        if($j == $keyLen) { $j = 0; }

        $ordKey = ord(substr($key,$j,1));

        $j++;

        $hash .= strrev(base_convert(dechex($ordStr + $ordKey),16,36));

    }

    return $hash;

}



function mctdecode($string,$key) {

    $key = sha1($key);

    $strLen = strlen($string);

    $keyLen = strlen($key);

	$j = 0;

	$hash = "";

    for ($i = 0; $i < $strLen; $i+=2) {

        $ordStr = hexdec(base_convert(strrev(substr($string,$i,2)),36,16));

        if ($j == $keyLen) { $j = 0; }

        $ordKey = ord(substr($key,$j,1));

        $j++;

        $hash .= chr($ordStr - $ordKey);

    }

    return $hash;

}

?>