ArkiwiAPI/arav_up_inclu/base64codec.php

<?php

// codec standard per le stringhe. fs-safe e url-safe, rfc4648 sez. 5
function encoder($string){
    $string = base64_encode($string);
    // da indagare
    // $string = mb_convert_encoding( $string, "UTF-8", "BASE64" );
    return rtrim(strtr($string,"+/","-_"),"=");
}
function decoder($string){
    return base64_decode(strtr($string,"-_","+/"));
}
?>