Catch content of include in string

I think you only have two options, the first is to edit the php file that is included (which you appear not to be able to do). The only other option is to change it with javascript (you cant access the page elements server side).

Easynow

R7AF:

You should be able to just open the file from php and read it into a string and modify the string.

AielloJ

You first have to read the HTML code after the module executed the script which will require reading the file via URL; after that you can change what you need to change. Directly including the file through include() or require() will not work because you won't get the generated HTML code (which is what you need) but the PHP script code itself.

Please note that if you use the below method, the user information from the current session will not be available when reading a file remotely because the call is issued from the server and not by the user; this means that i.e. cookies or sessions will not be passed along. If you are using session variables and pass the SESSIONID on each call, you can pass this in the file_get_contents() call to allow accessing session variables.

<?php
// requires allow_url_fopen=On in php.ini, otherwise you can't read remote URIs
$content = file_get_contents("http://www.myserver.de/?module=yourmodule&yourparm1=value1&yourparm2=value");
// change whatever needs to be changed
$content = str_replace("style/style.css", "style/myownstyle.css", $content);
// output the code
print $content;

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So in effect it is not possible to cath the HTML on the server before it is sent to the client (which can be the server itself), and the closest to getting this is Swafnil's solution.

Thank you! That seems to be what I need. I will try it when I'm back at work in a few days.