/*** Url安全的Base64编码方法* @author JerryLi* @version 20231217*/
final class UrlSafeB64Fun{/*** 编码* @param string $sData 原始字符串* @return string*/static public function encode(string $sData): string{$aTmp = base64_encode($sData);return strtr($aTmp, ['+'=>'-', '/'=>'_', '='=>'']);}/*** 解码* @param string $sData 待解吗字符串* @return string*/static public function decode(string $sData): string{$sTmp = strtr($sData, ['-'=>'+', '_'=>'/']);if(strlen($sTmp) % 4!= 0){$sTmp.= str_repeat('=', 4 - strlen($sTmp) % 4);}return base64_decode($sTmp);}
}