I anticipate wanting PHP to evaluate a lot of expressions and would
rather not create subprocesses to do it from inside my C program.
I've googled around for calling PHP from C, and know Apache does it, but
my C program won't have a full Apache environment. Can the libphp.so be
used otherwise?
7  2582 
Thomas Gagne wrote:
I anticipate wanting PHP to evaluate a lot of expressions and would
rather not create subprocesses to do it from inside my C program.
I've googled around for calling PHP from C, and know Apache does it,
but my C program won't have a full Apache environment. Can the
libphp.so be used otherwise?
No, but there is a command-line PHP interpreter that you can
use without Apache or any HTTP server whatsoever.
Cheers,
NC
On Tue, 29 Mar 2005 10:25:20 -0500, Thomas Gagne <tg****@wide-open-west.com>
wrote: I anticipate wanting PHP to evaluate a lot of expressions and would
rather not create subprocesses to do it from inside my C program.
I've googled around for calling PHP from C, and know Apache does it, but
my C program won't have a full Apache environment. Can the libphp.so be
used otherwise?
Looks like it's possible; although a bit tricky to search for, since most hits
for "embedding php" come up with embedding PHP in HTML in a webserver-parsed
page.
The trail seems to start here: http://www.zend.com/lists/php-dev/200209/msg01063.html
--
Andy Hassall / <an**@andyh.co. uk> / <http://www.andyh.co.uk >
<http://www.andyhsoftwa re.co.uk/space> Space: disk usage analysis tool
"Thomas Gagne" <tg****@wide-open-west.com> wrote in message
news:OY******** ************@wi deopenwest.com. .. I anticipate wanting PHP to evaluate a lot of expressions and would
rather not create subprocesses to do it from inside my C program.
I've googled around for calling PHP from C, and know Apache does it, but
my C program won't have a full Apache environment. Can the libphp.so be
used otherwise?
You will never be able to use libphp.so without building Apache into your C
program. The PHP module calls a number of functions within Apache. Unless
you implement your own version of these, the dynamic library will not even
load.
Writing a PHP module that encapsute your C code is the better approach.
NC wrote: Thomas Gagne wrote:
I anticipate wanting PHP to evaluate a lot of expressions and would
rather not create subprocesses to do it from inside my C program.
I've googled around for calling PHP from C, and know Apache does it,
but my C program won't have a full Apache environment. Can the
libphp.so be used otherwise?
No, but there is a command-line PHP interpreter that you can
use without Apache or any HTTP server whatsoever.
Is there a reason why you (OP) specificaly want to embed PHP? If all you
need is an embedded scripting language, both TCL and python have a long
pedigree in this department.
HTH
C.
On Wed, 30 Mar 2005 02:43:18 -0500, "Chung Leong" <ch***********@ hotmail.com>
wrote: "Thomas Gagne" <tg****@wide-open-west.com> wrote in message
news:OY******* *************@w ideopenwest.com ... I anticipate wanting PHP to evaluate a lot of expressions and would
rather not create subprocesses to do it from inside my C program.
I've googled around for calling PHP from C, and know Apache does it, but
my C program won't have a full Apache environment. Can the libphp.so be
used otherwise?
You will never be able to use libphp.so without building Apache into your C
program. The PHP module calls a number of functions within Apache. Unless
you implement your own version of these, the dynamic library will not even
load.
That's exactly what the embed SAPI is for. Clearly it's possible to load PHP
into an executable without Apache being involved at all - else running PHP
under IIS would be impossible.
The embed SAPI, from the looks of it, fills all the gaps usually provided by a
webserver's API, allowing PHP to be called from arbitrary C programs.
It's woefully underdocumented and from a few minutes playing with it I've not
got it to actually link properly yet, but the principle looks sound.
--
Andy Hassall / <an**@andyh.co. uk> / <http://www.andyh.co.uk >
<http://www.andyhsoftwa re.co.uk/space> Space: disk usage analysis tool
"Andy Hassall" <an**@andyh.co. uk> wrote in message
news:l7******** *************** *********@4ax.c om... On Wed, 30 Mar 2005 02:43:18 -0500, "Chung Leong"
<ch***********@ hotmail.com> wrote:
"Thomas Gagne" <tg****@wide-open-west.com> wrote in message
news:OY******* *************@w ideopenwest.com ... I anticipate wanting PHP to evaluate a lot of expressions and would
rather not create subprocesses to do it from inside my C program.
I've googled around for calling PHP from C, and know Apache does it,
but my C program won't have a full Apache environment. Can the libphp.so
be used otherwise?
You will never be able to use libphp.so without building Apache into your
Cprogram. The PHP module calls a number of functions within Apache. Unless
you implement your own version of these, the dynamic library will not
evenload.
That's exactly what the embed SAPI is for. Clearly it's possible to load
PHP into an executable without Apache being involved at all - else running PHP
under IIS would be impossible.
The embed SAPI, from the looks of it, fills all the gaps usually provided
by a webserver's API, allowing PHP to be called from arbitrary C programs.
It's woefully underdocumented and from a few minutes playing with it I've
not got it to actually link properly yet, but the principle looks sound.
IIRC, libphp.so is the name of the mod_php binary. I could be wrong though.
Colin McKinnon wrote: NC wrote:
Thomas Gagne wrote:
I anticipate wanting PHP to evaluate a lot of expressions and would
rather not create subprocesses to do it from inside my C program.
I've googled around for calling PHP from C, and know Apache does it,
but my C program won't have a full Apache environment. Can the
libphp.so be used otherwise?
No, but there is a command-line PHP interpreter that you can
use without Apache or any HTTP server whatsoever.
Is there a reason why you (OP) specificaly want to embed PHP? If all you
need is an embedded scripting language, both TCL and python have a long
pedigree in this department.
I've a business-rule engine written in Smalltalk that exists in such a
way that any language could be used to describe a rule. Because we've
PHP programmers on-staff I thought PHP would be a valuable extension.
Since Smalltalk can call C library functions I thought that might be one
way to talk to PHP. So in essence, calling C from inside PHP doesn't
work because I want to get into PHP from the outside.
Thanks for the reminders on Python and TCL. With both being open-source
I could theoretically load these and allow access to Smalltalk objects
from within them. That would be especially cool for Python. This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics | |
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