17 $sString =
"ox{$sString}id";
19 $sKey = $this->
_formKey($sKey, $sString);
21 $sString = $sString ^ $sKey;
22 $sString = base64_encode ( $sString );
23 $sString = str_replace(
"=",
"!", $sString );
38 $iKeyLength = (strlen( $sString ) / strlen( $sKey )) + 5;
40 return str_repeat( $sKey, $iKeyLength );