What does this file actually do? Does it insert data before the opening html tag?Originally Posted by DrByte
This is from the docs of the search engine I'm trying to use:
So can I use the header_php.php file for this?First you should see that there are two included files right at
the top of the page: "os2/config.php" and "os2/head.php". These files
set up the environment and handle the search process, so they must be
included in the results page *before* any HTML output. This means
before the <html> tag, and before any other whitespace. Otherwise you
will get many "Headers could not be sent" errors.
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11 May 2007, 08:33 AM #1
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Re: Integrating 3rd party search engine
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11 May 2007, 09:08 AM #2
Sensei
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Re: Integrating 3rd party search engine
Yes.
In this document which explains the program flow of Zen Cart, you'll see that the header_php.php file processes code "before" the "header" is generated. It does all the background processing before anything is sent to the browser (except perhaps a "headers already sent" or other error-related messages), including the <HTML> and <HEAD> tags.
Program-Flow document:
http://www.zen-cart.com/index.php?ma...roducts_id=378
However, with that said, from what you've posted earlier, when you're inserting your "include" statements for those files, you're somehow getting an error message (the variable not found message) which suggests that somehow the normal flow of the Zen Cart page-loading activity has been intercepted and pieces of it skipped. I'm not sure exactly why.
Where exactly in the header_php.php file did you put the includes? Without studying it in great detail thus far, I would start by suggesting putting them at the end, before the closing ?> tag..
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11 May 2007, 04:48 PM #3
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Re: Integrating 3rd party search engine
The error messages that were being generated were ZC errors made visible by this line of code in the search engine:
error_reporting(E_ALL);
I commented out that line and all works well.
I'm happy - thanks for your help!
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