PHP urlsafeB64Decode()

1 개요

PHP urlsafeB64Decode()

with padding

function base64url_decode($input) { 
    return base64_decode(strtr($input, '-_', '+/').str_repeat("=",-strlen($input) & 3));
} 
echo base64url_decode('SGVsbG8gV29ybGQ='); # Hello World

without padding ★

function urlsafeB64Decode($input)
{
    $remainder = strlen($input) % 4;
    if ($remainder) {
        $padlen = 4 - $remainder;
        $input .= str_repeat('=', $padlen);
    }
    return base64_decode(strtr($input, '-_', '+/'));
}
echo urlsafeB64Decode('SGVsbG8gV29ybGQ'); # Hello World

function urlsafeB64Decode($input)
{
    return base64_decode(strtr($input, '-_', '+/'));
}
echo urlsafeB64Decode('SGVsbG8gV29ybGQ'); # Hello World

2 같이 보기

• PHP base64_decode()
• PHP urlsafe_b64encode()
• 함수 urlsafe_b64decode()

3 참고

• https://gist.github.com/muffycompo/a378dcfa73c3cf354eb8
• https://github.com/firebase/php-jwt/blob/feb0e820b8436873675fd3aca04f3728eb2185cb/src/JWT.php#L333