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Tutorials/FAQs
Symptom:
Warning: Cannot modify header information - headers already sent by (output started at /..../includes/something/something/something.php:12) ...
In older versions of Zen Cart (v1.3.0, 1.3.0.1, 1.3.0.2) there was a vulnerability in the code which was announced to the hacker world. Even though that has been fixed in subsequent versions, newbie hackers continue to attempt to find sites which have the vulnerability, thus wasting your time and energy worrying about what they're up to. Their access attempts also waste some of your website server resources.
Additionally, there are a number of SQL Injection attacks floating around the internet which attempt to find holes to exploit in vulnerable systems. The current version of Zen Cart is inoculated against all such known vulnerabilities. Nevertheless, sometimes even ...
What Are The Parse Time Numbers
If you have enabled the display of parse times, you will see some statistical information in the footer of your pages, which looks like this:Parse Time: 0.314 - Number of Queries: 446 - Query Time: 0.123679
Here's what they mean, in reverse order:
The SQL/Query Time is the time spent waiting ...
To find out what version of Zen Cart or PHP or MySQL you are currently using, you can simply go to Admin->Tools->Server Info (or click "Version" on the top right navigation menu).
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Purpose
The purpose of GZIP Compression: This causes pages to be compressed before being transmitted from server to browser, making the transmitted data smaller, thus speeding delivery.
This is especially beneficial for servers running Windows operating system.
When to Use It
However, ...
The ability to upload files to your Zen Cart site (via a browser, such as Firefox) is affected by several factors:
PHP Limits on your Server
Your hosting company has configured your server with certain capabilities and limitations. The default configuration for PHP uploads ...
Quick Summary:
HTTP_SERVER and HTTPS_SERVER are the domain name of your site. Visiting this URL will take customers to the "webroot" ...
NOTE: Doing a backup of your Zen Cart site requires TWO components: (1) A copy of all the files in your Zen Cart folder on your server ... via FTP, ...
by: Ajeh - Linda McGrath
A product owns 1 filename ...
Note: the base image name is the original image name loaded for the product.
The concept of multiple images is best explained using an example: ...
There are settings in in Admin->Configuration->Maximum Values to determine "what" New Product means ...
New Product Listing - Limited to ...
Limit the New Product Listing to
0= All Products
1= Current Month
7= 7 Days
14= 14 Days ...
Yes you can! (please be sure to look at the server requirements)1- Install Zen Cart on your test server make all the tweaks and changes there.
2- Create a backup of your database using either phpMyAdmin (from your hosting company's control panel) or via your admin panel (if you have a backup option)
3- Simply take all the files the way they are and upload them to your new host. BE SURE TO INCLUDE THE "zc_install" folder.
4- Create a database on your new server, so that you have a place for your Zen Cart data to be stored.
5- Use your browser to access the zc_install folder on your NEW host. Install Zen Cart by walking through all ...
Thanks to AnonyPuss for posting the specific areas of the classic stylesheet.
Open the includes/templates/YOUR_TEMPLATE/css/stylesheet.css and change the ...
No, you do not need to have phpBB installed to use Zen Cart. In v1.3.x there was some code to act as a bridge allowing a visitor who is creating ...
NOTE: CHECK OUT THE IMPORTANT FACTS ABOUT DOWNLOAD SETTINGS, near the bottom of this article ...
Downloads are handled as product attributes.
So, FIRST you should familiarize yourself with: setting up attributes.
NOTE: Download files must be loaded (usually by FTP) to your store's /download directory before trying to link those files to products/attributes .
Click here for a Video Tutorial covering many of the points in this article
To add a Download Attribute to a product
- Go to Option Names ... and create an Option Name that is either Radiobutton or Dropdown ...
Call it something like: ...
First, check your store from another browser, preferably on another PC. Perhaps there may be a cache/session issue which will take care of itself by flushing cache or letting sessions expire.
Then ...
- Check all your currencies in Admin-> Localization-> Currencies.
a) Make sure you have a default currency set properly. Even if it looks right, click on it, ...
When using Authorize.net SIM module, your customers may encounter the following error message:
An error occurred while trying to report this transaction to the merchant. An e-mail has been sent to the merchant informing them of the error. The ...
- Go to Option Names ... and create an Option Name that is either Radiobutton or Dropdown ...
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