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<?php
namespace LE_ACME2\Utilities;
class Base64 {
/**
* Encodes a string input to a base64 encoded string which is URL safe.
*
* @param string $input The input string to encode.
* @return string Returns a URL safe base64 encoded string.
*/
public static function UrlSafeEncode(string $input) : string {
return str_replace('=', '', strtr(base64_encode($input), '+/', '-_'));
}
* Decodes a string that is URL safe base64 encoded.
* @param string $input The encoded input string to decode.
* @return string Returns the decoded input string.
public static function UrlSafeDecode(string $input) : string {
$remainder = strlen($input) % 4;
if ($remainder) {
$padlen = 4 - $remainder;
$input .= str_repeat('=', $padlen);
return base64_decode(strtr($input, '-_', '+/'));
public static function JSONUrlSafeEncode(array $input) : string {
return self::UrlSafeEncode(json_encode($input, JSON_UNESCAPED_SLASHES));
fbett /
le-acme2-php
