Re: json_encode() behavior for incorrectly encoded strings

From: 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

« previous php.internals (#60913) next »