note 119327 added to function.base64-encode
| From: | alf at trance dot net | Date: | Fri, 13 May 2016 14:31:08 +0000 |
| Subject: | note 119327 added to function.base64-encode | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-205480@lists.php.net to get a copy of this message | ||
@gutzmer at usa dot net
Nice idea! However...
The function base64url_decode doesn't pad strings longer than 4 chars.
str_pad will only pad the string if the second argument is larger than the length of the original
string. So the correct function should be:
<?php
function base64url_decode($data) {
$len = strlen($data);
return base64_decode(str_pad(strtr($data, '-_', '+/'), $len + $len % 4,
'=', STR_PAD_RIGHT));
}
Note that base64_decode works fine without the padding, that is why your function works.
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Probable Submitter: 195.1.207.220
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Manual Page -- http://php.net/manual/en/function.base64-encode.php
Edit -- https://master.php.net/note/edit/119327
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Del: useless -- https://master.php.net/note/delete/119327/useless
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Del: non-english -- https://master.php.net/note/delete/119327/non-english
Del: in docs -- https://master.php.net/note/delete/119327/in+docs
Del: other reasons-- https://master.php.net/note/delete/119327
Reject -- https://master.php.net/note/reject/119327
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