/**
* 通用加密
* @param String $string 需要加密的字串
* @param String $skey 加密EKY
* @return String
*/
function enCode($string = '',$skey = 'echounion') {
$skey = array_reverse(str_split($skey));
$strArr = str_split(base64_encode($string));
$strCount = count($strArr);
foreach ($skey as $key => $value) {
$key < $strCount && $strArr[$key].=$value;
}
return str_replace('=','O0O0O',join('',$strArr));
}
/**
* 通用解密
* @param String $string 需要解密的字串
* @param String $skey 解密KEY
* @return String
*/
function deCode($string = '',$skey = 'echounion') {
$skey = array_reverse(str_split($skey));
$strArr = str_split(str_replace('O0O0O','=',$string),2);
$strCount = count($strArr);
foreach ($skey as $key => $value) {
$key < $strCount && $strArr[$key] = rtrim($strArr[$key],$value);
}
return base64_decode(join('',$strArr));
}
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