Re: json_encode() behavior for incorrectly encoded strings
| From: | Pierre Joye | Date: | Thu, 21 Jun 2012 06:47:31 +0000 |
| Subject: | Re: json_encode() behavior for incorrectly encoded strings | ||
| References: | 1 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-60913@lists.php.net to get a copy of this message | ||
hi,
On Thu, Jun 21, 2012 at 12:21 AM, Nikita Popov
<nikita.ppv@googlemail.com> wrote:
> We currently have a big mess concerning the behavior of json_encode()
> with incorrectly encoded UTF-8 strings.
>
> To summarize the situation:
>
> PHP <= 5.3.13, PHP 5.4, master behave as follows when an invalid UTF-8
> string is encountered:
> * The invalid string is replaced with "null", thus creating a partial
> JSON serialization
> * json_encode() returns the partial serialization, *not* false as it should
> * A warning is thrown, but only if display_errors=off
> * json_last_error() returns JSON_ERROR_UTF8
>
> PHP 5.3.14 behaves as follows:
> * json_encode() returns false, as it should
> * A warning is thrown always, even with display_errors=on
> * json_last_error() returns JSON_ERROR_UTF8
> * If the PHP_JSON_PARTIAL_OUTPUT_ON_ERROR option is specified, the
> old behavior is restored
>
> The reason for this situation is that a patch was applied for all
> branches, and then reverted, because Stas didn't consider the change
> towards always throwing a warning (even with display_errors=on)
> appropriate without further discussion.
Well, not sure we have to discuss why such thing is bad.
display_errors must be respected.
Also I suspect that this change should not even be merged in 5.4 nor
5.3. At least not without real testing.
> The backout though was done only on PHP 5.4 and master, but *not* on
> the PHP 5.3 branch.
>
> Thus we now have differing behavior between 5.3 and 5.4 (and PHP <= 5.3..13).
>
> So, I'd like to ask whether the patch can be reapplied to 5.4 and
> master or whether we should do something else to solve this problem.
5.3 should be brought in line with 5.4.
Cheers,
--
Pierre
@pierrejoye | http://blog.thepimp.net | http://www.libgd.org