[xdebug-general] Re: debugging multi-page applications

From: Damjan Cvetko <zobo[@]scene-si.org>
Date: Wed, 22 Aug 2007 10:47:44 +0200

Derick Rethans wrote:
> On Wed, 22 Aug 2007, Damjan Cvetko wrote:
>> Derick Rethans wrote:
>>> On Tue, 21 Aug 2007, Noah Mercer wrote:
>>>> Is there a way to configure XDebug/debugclient so that I can wander
>>>> through the pages of my application at will and have it stop on any
>>>> breakpoint set in any file, regardless of which page I entered the
>>>> application on? Or will it always go to a "stopped" state when the current
>>>> script finishes execution?
>>> The debugclient itself does not support this, it is a *very* simple client
>>> just meant for debugging the protocol interaction. Most other clients
>>> listed[1] will re-issue breakpoints when a new connection is made. It can
>>> not be done in Xdebug itself-as you never know to which apache process the
>>> request goes and there is nothing shared between apache processes.
>>> [1] http://www.xdebug.org/docs/remote#clients
>>> It could be an addition to the debugclient client though, but then it needs
>>> quite a bit of modifications.
>> Another thing that I think you should watch out here for: If I
>> understand correctly you have a SubmitInput.php that displays a form.
>> Then you press SUBMIT and the browser posts the data to
>> ShowResult.php. This are two scripts and as PHP works, two requests
>> and thus two separate worlds. (You need to change your way of thinking
>> if you worked with java before).
>> The problem is, that you want to debug ShowResult.php, but the debugger doesnt
>> kick in, because the second request does not get a XDEBUG_SESSION_START
>> parameter. So you need to change SubmitInput.php so it adds a
>> XDEBUG_SESSION_START to the form (either via a hidden input...) or as a GET
>> parameter.
> That's not true. XDEBUG_SESSION_START=1 will set a cookie. If this
> cookie is present it will keep making connections to the debug client
> until XDEBUG_SESSION_STOP is used.
Aw.. My bad I guess.. I'll have to check my local setup than, I seemed like something was cutting the cookie out then.. Thanks for the info.

>> A far better solution is to use the FireFox XDEBUG helper. You can add the
>> XDEBUG_SESSION_START cookie with just a click.
>> https://addons.mozilla.org/en-US/firefox/addon/3960
> That's a useful tool though :)
> Derick

PS. Any chance you took a peek at the proxy I sent last week?

Received on Wed Aug 22 2007 - 10:47:49 BST

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