Re: json_encode() and non-UTF8 strings

On 04/02/2012 06:35 PM, Charlie Somerville wrote: > Hi internals, > > I've created a pull request (https://github.com/php/php-src/pull/33) that changes > json_encode to fall back to ASCII for strings that are not valid UTF-8. > > I ran into an issue in a production application involving PayPal IPN callbacks (which are sent > encoded as windows-1252) and json_encode(). If there was an accented character present in the data, > json_encode() would fail to encode the string and serialize it as 'null'. > > I've modified the behaviour of the underlying json_escape_string() implementation to > attempt to encode strings anyway while still producing a warning. JSON with non-Unicode strings is no longer JSON. The spec is explicit that all strings must be Unicode. The default encoding is UTF-8, but it could be UTF-16/32 as well. See http://www.ietf.org/rfc/rfc4627.txt -Rasmus