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Date: Fri, 29 Jul 2022 21:31:46 +0200
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To: juan carlos morales <dev.juan.morales@gmail.com>
Cc: PHP Internals List <internals@lists.php.net>
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Subject: Re: [PHP-DEV] RFC Idea - is_json - looking for feedback
From: michal.brzuchalski@gmail.com (=?UTF-8?Q?Micha=C5=82_Marcin_Brzuchalski?=)

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Hi Juan,

pt., 29 lip 2022, 16:26 u=C5=BCytkownik juan carlos morales <
dev.juan.morales@gmail.com> napisa=C5=82:

> I am following the RFC guideline for the first time. (
> https://wiki.php.net/rfc/howto)
>
> As suggested there, I am here to get a feeling from you, regarding the
> following RFC for PHP.
>
> # Change (draft):
>
> New function in php called like:
>
> is_json(string $string): bool
>
> ## Description
> ### Parameters
> string $string -> string to find out if is a valid JSON or not
>
> ### Return
> Returns a bool. The function is capable to determine if the passed string
> is a valid JSON (true) or not (false).
>
> # Why this function ?
>
> At the moment the only way to determine if a JSON-string is valid we have
> to execute the json_decode() function.
>
> The drawback about this, is that json_decode() generates an in memory an
> object/array (depending on parameters) while parsing the string; this lea=
ds
> to a memory usage that is not needed (because we use memory for creating
> the object/array) and also can cause an error for reaching the memory-lim=
it
> of the php process.
>

Personally I'd vote NO.

Cheers,
Micha=C5=82 Marcin Brzuchalski

>

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