[sword-devel] PHP SWIG Bindings and Extension Development

[Greg Hellings]

Patrick,

It has been a long time since I touched the PHP bonding build process. But
the basic shortcoming you are encouraging is that Swig lacks support for
converting a list from C++ into PHP.

This isn't because PHP has no list, but because Swig bindings for PHP never
got it added, at least not with the filename the other languages have.

You will need to either go to the upstream Swig project and submit that
feature, or write one and bundle it just for the PHP bindings directly in
Sword. It's also possible the feature or include file is just different in
PHP from Python and Perl, so if you discover that, then you could update
our bindings to include the proper file. Obviously, in the spirit of FOSS
collaboration, doing engagements directly in Swig would be preferred. Until
then, PHP bindings will be unavailable unless you develop some other
workaround to missing lists.

--Greg

On Wed, Apr 12, 2023, 23:06 Patrick Stephan <pstephan1187 at gmail.com> wrote:

> Alright... So I've gotten a little bit farther...
>
> I was missing the `libtoolize --force` command before autogen. After
> including that command and replacing the php4 references with php8 in the
> php.m4, Makefile.am, and Makefile.in, I no longer get the "No rule to make
> target 'phpswig'. Stop." error.
>
> When I run the `make phpswig` command, this is what I get:
> ```
> mkdir -p php
> /usr/bin/swig -php -c++ -o php/Sword.cxx -I. -I/usr/include/sword ./sword.i
> templates.i:3: Error: Unable to find 'std_list.i'
> make: *** [Makefile:972: phpswig] Error 1
> ```
>
> That `std_list.i` file appears to be a swig file that is in its python and
> perl files, but not in its php files. I imagine that is what is causing
> this error. Does anyone know how to overcome this?
>
> - Patrick
> On Apr 12, 2023 at 1:50 AM -0500, Peter von Kaehne <refdoc at gmx.net>,
> wrote:
>
> I am not on my computer and speak from old memory but there is a two-step
> for Perl so I guess that may be for php too .
>
>
>
> Sent from my phone. Please forgive misspellings and weird “corrections”
>
> On 12 Apr 2023, at 06:46, Patrick Stephan <pstephan1187 at gmail.com> wrote:
>
> 
> Hello!
>
> First off, I want to thank everyone for their work in this project. It's
> an incredible work to make God's word more readily available.
>
> As the subject of the email suggests, I am trying to interface with the
> sword library with PHP. I am attempting to use the SWIG bindings provided,
> but there are no current PHP bindings provided. There does appear to be
> some older PHP 4 (PHP 8 is the current major version available) references
> in the Makefiles and configure file in `bindings/swig/package/` and a
> php4.m4 file. Attempting to run `make phpswig` (when you might run `make
> perlswig` according to the readme file in the swig directory) returns a "No
> rule to make target 'phpswig'. Stop." error. I have made some attempts to
> replace `php4` with `php8`, but that changes nothing. Anyway, I am
> attempting to create (or revive) PHP bindings for the sword library and
> would love some direction on where/how to get started. I have practically
> no experience with c/c++ or make files or swig, but if someone could give
> me a shove in the right direction, I think I can figure it out.
>
> Thank you everyone!
>
> - Patrick
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