Re: json_encode() x-notation

Em qua, 4 de jul de 2018 19:01, Nikita Popov <nikita.ppv@gmail.com> escreveu: > On Fri, Jun 29, 2018 at 8:51 PM, David Rodrigues <david.proweb@gmail.com> > wrote: > >> ​Hello. I saw that JS supports the x-notation (\x40) and u-notation >> (\u0040), but PHP only supports u-notation. There some reason for that? >> >> JSON.parse('"\x40"'); // => @ >> JSON.parse('"\u0040"'); // => @ >> > > No it doesn't. JSON.parse() will correctly reject \x escapes because they > aren't valid JSON. You are using a normal JS string (which has nothing to > do with JSON and supports \x), which will unescape \x before JSON.parse() > ever sees it. If you write JSON.parse('"\\x40"') or similar, you will get > an error. > Oh! You are right. I just forgot to test this case. :D Topic is closed if no one have no more to say, so. > Nikita >