On Friday, 6 April 2012 15:53:13 UTC-4, RalphShnelvar wrote:
>
> I am inheriting a legacy PHP website and I want to add a few Rails pages.
>
> Is there anyone who can recommend some info on how to add RoR to a
> PHP-driven website?
>
> Ralph Shnelvar
>
Depends on what you mean by "PHP-driven" - if it's doing its own URL
rewriting (Wordpress's clean URLs, for instance) you're probably best
served putting the Rails stuff on a subdomain or in a subdirectory.
On the other hand, if it's a plain PHP site where URLs just end in .php
everywhere, you can do some mod_rewrite magic (tune the paths as
appropriate):
RewriteCond /home/web/public_html/%{REQUEST_URI} -f
RewriteRule ^(.*) /home/web/public_html/$1 [QSA,L]
RewriteCond /home/web/public_html/%{REQUEST_URI}/index.php -f
RewriteRule ^(.*) /home/web/public_html/$1/index.php [QSA,L]
Then point your DocumentRoot to the public dir in your Rails app, as
Passenger's instructions indicate, and add this:
<Directory /home/web/public_html>
PassengerEngine off
</Directory>
to the Apache config as well, to avoid confusing Passenger with stuff in
PHP-land. The result will be that any incoming URL which matches either an
actual PHP file, or a directory with an index.php file will be handled by
PHP, while everything else goes to the Rails app.
One other thing - for additional integration, you may want to access the
PHP session from the Rails app. (Going the other way is NOT recommended, as
you'd need to be able to un-Marshal Ruby objects in PHP) To do this, you'll
need a gem like php-serialize (https://github.com/jqr/php-serialize) and
you'll need to find where your particular PHP installation stores session
data - sometimes this is in /tmp, sometimes elsewhere. The files are
typically named after the session token (found in "cookies['PHPSESSID']" in
your controllers). PHP does some locking to avoid multiple writers messing
the whole thing up, but I've only ever needed to *read* from the PHP
session, so I'm not sure exactly how that works.
Hope this helps!
--Matt Jones
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