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The e-commerce.

Easy meta tags?


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I've implemented 'dynamic' Meta Tags by using the title of the products and the description of the product.


In product_info.php find:


$location = ''; (its about line 17)


Directly after it add:


if (isset($products_id)) {

   $product_info = tep_db_query("select p.products_id, pd.products_name, pd.products_description from " . TABLE_PRODUCTS . " p, " . TABLE_PRODUCTS_DESCRIPTION . " pd where p.products_id = '" . $HTTP_GET_VARS['products_id'] . "' and pd.products_id = '" . $HTTP_GET_VARS['products_id'] . "' and pd.language_id = '" . $languages_id . "'");

   $product_info_values = tep_db_fetch_array($product_info);

   $keywords = strip_tags($product_info_values['products_description']);

   $keywords = substr($keywords, 0, 250);



Find the <title> </title> line and replace it with:


<title><?php echo TITLE; ?> | <?php echo $product_info_values['products_name']; ?></title>


Directly after your new title line, add:


<meta name="keywords" content="<?php echo $product_info_values['products_name']; ?> | <?php echo TITLE; ?>">

<meta name="description" content="<?php echo $keywords; ?>">


No work, and a good solution. All you have to do is make sure you give your product a good descriptive name, and a great description...

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I get tricky like that on code just to scare you ... :shock:


It's really not all that horrible just a lot of methods to set up the various tags for each page.


You can also add additional case statements to setup other tag settings as needed for your site.

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I've installed Lindas contribution (It was easier than I thought) I haven't changed all of the 30+ files yet.


when I move to checkout from the cart I receive this message:


Warning: Cannot add header information - headers already sent by (output started at /usr/local/plesk/apache/vhosts/talespinners.ca/httpdocs/catalog/includes/functions/header_tags.php:11) in /usr/local/plesk/apache/vhosts/talespinners.ca/httpdocs/catalog/includes/functions/general.php on line 23



What's wrong?

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Check the two filenames mentioned in your error msg for spaces or blank likes before or after the <?php and ?>


I found a couple spaces this morning in a language file general.php was calling from.


The name was plain as day in the error message. But did I look at the language file? No of course not ... :shock:


I did 20 minutes later for giggles ... and dang if there weren't two spaces beneath the last ?> in that file. :roll:


Took out the spaces ... and the miracle occured! :listen:

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I've checked all of the 4 files that come with the mod and removed the extra space on the bottom of the files. I still get the same message (I verified that it's the same message).


Thanks again for your help Linda

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Round two ... check the tops of the files before the <?php


And sometimes a blank like near the top below a



// blah blah blah



 // more blah, blah, blah



Will break it.


Also if you know the ones on your computer are nice and clean, delete them on the server and reload them.

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Results of round 2:


Found one instance of the space above the <?p and fixed it. Same message :x


I always refresh the files on the server when I change them so I didn't bother trying that again.


Once again "for giggles" I removed the header file mentioned above and the reference to in in application_top and the error message didn't reappear. Although I'm no php programmer, the programmer in me says the problem's there. What do you think?

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Sorry about that,


1. I deleted catalog/includes/functions/header_tags.php from the server.


2. Commented out the lined in application_top that read:

require(DIR_WS_FUNCTIONS . 'header_tags.php');


Now that I think about it the first step was uneccessary but oh well...


After I did that I hit the checkout button from the cart and it worked as it should.

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