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Date: Thu, 10 Dec 2015 18:20:09 +0100 (CET)
To: Sjoerd Maessen <sjoerd.maessen@gmail.com>
Cc: internals@lists.php.net
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Subject: Re: [PHP-DEV] Converting an 'old' PHP 5.x extension to PHP 7
From: flaupretre@free.fr
References: <CALtfysYKe46Obma=ZzAoH6xDzguogT2RvsgUy-GyWyCpxA=vgg@mail.gmail.com>

Hi,

----- Mail original -----
> De: "Sjoerd Maessen" <sjoerd.maessen@gmail.com>
> =C3=80: internals@lists.php.net
> Envoy=C3=A9: Jeudi 10 D=C3=A9cembre 2015 17:51:56
> Objet: [PHP-DEV] Converting an 'old' PHP 5.x extension to PHP 7
>=20
> Hi everyone,
>=20
> As a first time poster I'm very nervous but here we go! I've recently
> upgraded my development environment to PHP 7. Everything works
> amazing
> however 1 module I used to use a lot is not ported yet to PHP 7. I've
> notified the creator but I thought this also may be a good
> opportunity to
> see if I can get some more knowledge about this subject.
>=20
> I cloned the github repo and was able to remove 1 error during the
> compilation process that had to do with ZVAL_STRING. This was an easy
> error
> to fix since it came down to simply removing an argument. I've read
> https://wiki.php.net/phpng-upgrading but still I feel like there
> should be
> more resources available after seeing the amount of extensions that
> are
> already successfully converted for PHP 7. For example I'm now stuck
> how to
> fix an error like:
>=20
> "error: too many arguments to function
> =E2=80=98zend_hash_get_current_key_ex=E2=80=99"
>=20
> Googling won't really help since most results return posts of people
> who
> fail to install modules.
>=20
> How can I continue with making this work? Any good (up-to-date)
> resources?
> An IRC channel where I can help?

pecl-compat include files (https://github.com/flaupretre/pecl-compat) may h=
elp, but porting an extension from PHP 5 to 7 remains a complex operation, =
and there's not so much information available. Unfortunately, compiling wit=
hout error is generally not enough. Anyway, it does greatly depend on your =
extension. Some 'pure-bridge' extensions are relatively easy to port. Can y=
ou please indicate which extension you are considering ?

Regards

Fran=C3=A7ois