Articles
At the present time, there are no overrides for core files in the Admin area. If you wish to...
How do I change weight from pounds to KilogramsIn includes/languages/english.php find the following lines of code:...
How do I enable SSL after I have installed Zen CartSSL (secure socket layer) is used to encrypt communications between the browser and the server,...
How do I turn off the EZ-Pages Header Bar?There are two ways to turn off the EZ-pages header bar. Firstly, it won't show if there are no...
How do I turn off weight from my product descriptionsFirstly let's be clear about the difference between a product listing and product info. When you...
How do category product-type restrictions work?Category "restrictions" ONLY restrict which product-types you can use to CREATE NEW products...
I show the Categories on the main page?Open your Admin. Point your cursor at the Configuration menu, choose Layout Settings from...
My taxes aren't calculating properly. What should I check?If you haven't configured taxes yet, please see the related articles on setting up taxes. ...
Warning: I am able to write to the configuration file..This error is triggered because the permissions on the file are set to Read,Write and Execute...
Webserver Tuning TipsThere are various steps one can follow to fine-tune server performance, depending on skill level...
What do the numbers in the admin "Counter History for last 10 recorded days" mean?The counter counts two things:Session count is the number of 1st hits to your site based on...
Where do I find my server's errorlog to review server-side problems?Your hosting company typically provides this via their control panel. - If you use cPanel,...
Why am I getting 500 INTERNAL SERVER ERROR messages?There are many possible causes of this kind of error, and many of them are completely unrelated...
Writing contributions -- often-overlooked override capabilitiesThere are built-in override capabilities in Zen Cart to prevent needing to edit some core files...
1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '000000 where products_id = '1'' at line 1 in: [update zen_products set products_ordered = products_ordered + 1,000000 where products_id = '1']When placing an order, the following error appears:1064 You have an error in your SQL syntax;...
Address format 1 - 6, Uk = 6 most other countries = 1 , what is the 'format' ?Address formats are based on international ISO standard formats. You can see their layouts...
Authorize.net SIM: 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 following is the result of the attempt to charge your credit card.When using Authorize.net SIM module, your customers may encounter the following error message:An...
Bug Reports, Security, Contributions, PhilosophyBug Reports Zen Cart takes bug reports seriously, and endeavors to find resolutions to them...
Can I Use An Image For the Sidebox Header?The short answer is yes. You can use one of two methods to achieve the result. First...
Can I have products be BOTH physical/shippable AND virtual/downloadable?You have Products, Downloads and some Combo Products ...First, let's make sure that you have...
Can I install Zen Cart on the same server I have another shopping cart on?Yes, you can install Zen Cart on the same server as another shopping cart. To be safe, before...
Can I install Zen Cart on the same server I have another shopping cart on?Yes, you can install Zen Cart on the same server as another shopping cart. To be safe, before...
Can I print a high resolution logo on my invoices and packing slips?You can. Firstly, if you don't already have it, create your high resolution logo at the size and...
Can I run PHP as CGI on my Linux/Unix webserver?(Windows servers "always" run PHP as a CGI app, so this FAQ may not apply to Windows hosts.)...
Can I run Zen Cart on an Apple Mac?Yes, you can. To run Zen Cart you need an Apache server, PHP and a suitable database (ideally...
Can I turn off the left or right hand columns for some pages only?Yes, you can. Firstly, if you don't already have one, create an over-ride file for...
Can I turn off the weight, inventory count, manufacturer, etc. on my product detail page?Yes, you can.Open your Admin.Put the cursor over Catalog on the top...
Can I use 2CheckOut 2CO Payment Gateway with Zen Cart ?Question:I want to make use of 2CO, - 2CO says: "any shopping cart compatible with the...
Can I use Flash in Zen Cart?See this reference to help you with using Flash in your Zen Cart site
Can I use phpsuexec mode on my server?Yes, Zen Cart will run in a phpsuexec environment. However, you will need to work with your...
Can Zen Cart be integrated with Accounting Packages such as Quickbooks or Sage?Although Zen Cart does not come with built-in accounting package integration, community members...
Can a product be listed in more than one category?Yes. If you haven't created it yet, set up the product that you want to be listed in two or more...
Can customers purchase from my Zen Cart shop without creating an account?At this time all customers must register with their full name, address and other information...
Changing the subject line in Zen Cart-generated emailsEmail subject lines typically consist of two parts, a piece of static text that says something...
Changing the subject line in Zen Cart-generated emailsEmail subject lines typically consist of two parts, a piece of static text that says something...
Client does not support authentication protocol requested by serverDuring "Database Setup", I get "Connection to Database failed...Client does not support...
Client does not support authentication protocol requested by serverDuring "Database Setup", I get "Connection to Database failed...Client does not support...
Connection to Database failed ... Access denied for user: 'myname@localhost' (Using password: YES)This suggests you have something wrong with any of:- username- password- database name- database...
Displaying a Flash video on the home page.NOTE: Flash video on webpages is becoming more and more outdated, in favor of newer and more...
Do I have to have a phpBB forum installed to use Zen Cart?No, you do not need to have phpBB installed to use Zen Cart. In v1.3.x there was some code...
Do I need SSL on my store website?Many storeowners are uncertain whether they should add SSL to their site, citing various reasons,...
Download delivery methods explainedFor downloadable products, there are several ways of delivering downloadable content to your...
During installation I see an error: "1142 DROP command denied to user: 'jason@localhost' ... DROP TABLE IF EXISTSTo use Zen Cart, you need to grant the "user" of your MySQL database the right privileges for...
ERROR 0071: There appears to be a problem with the database. Maintenance is required.This error generally means that one or more system tables cannot be found in the database.This...
Emails are not received or sendingSometimes your mail server configuration requires a particular format in order to send...
Error 2006 MySQL server has gone away or 2013 Lost connection to MySQL server during query"MySQL server has gone away" means that when you clicked on something to ask Zen Cart to do...
Error: (6) Couldn't resolve hostA "couldn't resolve host" message indicates that your webserver had a problem looking up the IP...
Exporting customer Email Addresses for use by External Mailing systemsTo export email addresses, grab the Email Address Exporter plugin from our downloads...
Fatal error: Cannot redeclare date_diff()If you're seeing this error, then you're using an old version of Zen Cart that's not compatible...
Getting a BLANK PAGE? Here's the answer ...If you're getting a blank page when trying to browse to a certain page on your store, or after...
How Do I Install Zen Cart?Preface Warning:There are several all-in-one "packaged" "bundles" of Zen Cart scattered around...
How Zen Cart uses CookiesA fresh clean uncustomised installation of Zen Cart does VERY LITTLE with cookies or...
How can I block specific hacker probing activities?Some common attempts to probe your site for old vulnerabilities, or vulnerabilities from other...
How can I do a Site Backup? Or use phpMyAdmin to backup my database?NOTE: Doing a backup of your Zen Cart site requires TWO components: (1) A copy of all the files...
How can I find out what version of Zen Cart or PHP or MySQL I'm using?To find out what version of Zen Cart or PHP or MySQL you are currently using, you can simply go...
How can I find out what version of Zen Cart or PHP or MySQL I'm using?To find out what version of Zen Cart or PHP or MySQL you are currently using, you can simply go...
How can I protect my site from malicious attack? Security RecommendationsSSL Security Protection Tips Without applying extra efforts to your connection on the internet...
How can I restrict my employees to just maintaining products and processing orders, and stop them from changing configuration settings?At the moment Zen Cart gives all Admin users access to all functions, though this will be subject...
How can I restrict my employees to just maintaining products and processing orders, and stop them from changing configuration settings?At the moment Zen Cart gives all Admin users access to all functions, though this will be subject...
How do I Upgrade My Zen Cart site?Preamble worth reading: How-do-I-rebuild-my-site-on-the-new-version-instead-of-upgrading 3...
How do I add a category, subcategory or product?Creating a category Login to your admin panel, point your cursor at Catalog in the top menu....
How do I add a new category?Open the Admin, point your cursor at Catalog in the top menu. Choose Categories/Products from the...
How do I add a new category?Open the Admin, point your cursor at Catalog in the top menu. Choose Categories/Products from the...
How do I add an image to the bottom of my sideboxes or center boxes?From Zen Cart 1.3.0 this became very easy to do with CSS. The exact method will depend upon...
How do I add attributes to my products?by Ajeh - Linda McGrathThere are 3 parts to attributes: Option Name Option Value Attribute...
How do I add downloads to products? make products downloadable?NOTE: CHECK OUT THE IMPORTANT FACTS ABOUT DOWNLOAD SETTINGS, near the bottom of this article...
How do I add multiple images to a product?A product owns 1 filename ... Note: the base image name is the original image name loaded...
How do I authorize a Credit Card but not actually charge it until I ship the goods?Question:After taking the order in Zen Cart I want the Credit Card to be authorised but not...
How do I change Powered By Zen Cart? and add or position a new logo?Legend: CAPITALIZED words refer to a folder or language that you choose. We...
How do I change Powered By Zen Cart? and add or position a new logo?Legend: CAPITALIZED words refer to a folder or language that you choose. We use CUSTOM for your...
How do I change or reset my Admin Password? (I lost it)1. Log in with another account. If you can log in to your Zen Cart admin using another account,...
How do I change the "Congratulations! you have successfully installed..." Message?CAPITALIZED words refer to a folder or language that you choose. We use CUSTOM for...
How do I change the Copyright message in the footer?Copyright © 200X Zen Cart covers the design and graphics in the templates. If you are using...
How do I change the Header Image?CAPITALIZED words refer to a folder or language that you choose. We use CUSTOM for your template...
How do I change the Welcome Guest message?If you want to eliminate “Welcome Guest!” Would you like to log yourself...
How do I change the Welcome email my customers get?Say, for example, you wish to change the welcome email text because you do not plan to use the...
How do I change the Welcome email my customers get?Say, for example, you wish to change the welcome email text because you do not plan to use the...
How do I change the background colour, on each side of my page - from a standard light blue(cyan) to white or grey?In your stylesheet.css you can adjust the overall background color by setting the body tag:body...
How do I change the login link at the top of my site to read "login/register"?If you haven't already done so, create an includes/languages/YOUR_LANGUAGE/YOUR_TEMPLATE_NAME...
How do I change the title of main_page=page_X?To change the name of page_2, page_3 or page_41. open the appropriate file:...
How do I change the width of the template? (V1.3.x)FOR v1.3.x, assuming you've based your template on "template_default": open your stylesheet and...
How do I change the width of the template? (v1.2+)Thanks to AnonyPuss for posting the specific areas of the classic stylesheet.Open the...
How do I configure for Canadian Taxes?Vendors operating in Canada need to accommodate numerous tax configurations to support proper tax...
How do I configure the taxes? (US state sales tax - single rate)FIRST, set your store's zone properly:Admin > Configuration > My Store > ZoneChoose your...
How do I create a MySQL database for Zen Cart? And what permissions/privileges?To use Zen Cart, you need a database. To prepare a MySQL database for Zen Cart to use:...
How do I create a new Custom Template?The Zen Cart® templating system uses a CSS based layout. In this...
How do I disable SSL?In order to disable SSL in your Zen Cart store, you will need to...
How do I disable the category/inventory counts (the numbers beside the category links)?Open your Admin. Put your cursor over the Configuration in the top menu, choose My Store. Locate...
How do I display the search box in the header only?There are two sideboxes for search. You can control both through the Admin > Tools >...
How do I enable the "Customers Also Purchased" display?1. You need to have purchases in your store first ... where customers bought "this" product along...
How do I get my live shop in the Zen Cart Showcase?Simply click on the "showcase" link at the top of this page, then click to select a category in...
How do I get my money? When a customer buys, how do I get paid?Collecting payment from customers requires a means for extracting funds from the payment method...
How do I get my store home page to open to a certain category?Open the Admin, point your cursor at Configuration in the top menu. Choose Layout Settings from...
How do I import my OSC database into Zen Cart?Instructions for moving your categories and products over from an OSC database to the Zen...
How do I offer coupons for my customers to redeem?If you want to offer a coupon, you need to first enable the coupon system:Go to:...
How do I re-arrange the order of the links in the information sidebox?Create (if you don't already have it) a directory names...
How do I read the RSS feed for Google or the News and Article Contrib?You will need to download and install an RSS reader, or use a web-based service like Bloglines....
How do I read the RSS feed for Google or the News and Article Contrib?You will need to download and install an RSS reader, or use a web-based service like Bloglines....
How do I relocate my download folderIn Zen Cart v1.3.x and newer, it is possible to relocate the "download" folder outside your...
How do I remove "Page 1", "Page 2" and "Page 3" from my more information sidebox?Go to Admin > Configuration > Define Page Settings and set their values to 2 or 3.
How do I remove and/or re-arrange the sideboxes?Open your Admin. Point your cursor at "Tools" on the menu bar. Choose "Layout Boxes...
How do I remove the Home in the middle column next to the Categories box?CAPITALIZED words refer to a folder or language that you choose. We use CUSTOM for...
How do I remove the logo completely?CAPITALIZED words refer to a folder or language that you choose. We use CUSTOM for...
How do I rename my Admin folder to prevent unauthorized access?While access to your admin area is protected by the requirement of your admin password, it is...
How do I secure my Downloads folder to prevent theft?In a Windows-hosting environment, when you create a virtual product using download attributes...
How do I set permissions on files/folders?NOTE: While the following instructions talk about making files/folders writable, it is wise to...
How do I set up "Music" products for audio-previews?1. Create your Music Genres2. Create your Media Types (these are the allowed file-extension types...
How do I set up Customer Referral Tracking?Zen Cart has referral-tracking functionality built-in, using coupon codes. This can be ideal...
How do I set up Customer Referral Tracking?Zen Cart has referral-tracking functionality built-in, using coupon codes. This can be ideal...
How do I set up Gift Certificates?To sell Gift Certificates in your store, you need to create them as specific products (according...
How do I set up metatags for my site, or per-product for search engines to find?Zen Cart is built with a feature to have separate meta tags for each Category and Products --...
How do I set up the USPS shipping module?In order to use the USPS module, you need to have a USPS WebTools account, signed up to use their...
How do I set up the Zones Shipping Module?By default, the module comes with support for 3 zones. This can be easily altered with a coding...
How do I set up the template overrides?I've been watching the forums, and I'm seeing many folks make many modifications to their cart....
How do I show my documents in their own sidebox?Make your category ... like RecipesEdit the category ... Set to product type: Document...
How do I speed up my site? - Zen CartHow do I speed up my site? Here are some suggestions, assuming you're running the...
How do I turn off Reviews and/or Tell A Friend?Product Information PagesYou can enable/disable various options at the per-product-type level:1....
How do I turn off the listing of categories that goes across the top of my page?These are called the Category Tabs and can be switched off by setting Admin > Configuration...
How do I upgrade my site?Preamble worth reading: http://www.zen-cart.com/entry.php?3-...d-of-upgradingDetailed...
How do I write a Privacy Policy?TIPS ON CREATING A PRIVACY POLICYIn addition to seeking professional legal counsel for...
How do Product Type files work (Programmer View)An Introduction to Product Types in Zen Cart™ v1.2 1. Introduction A much requested...
How does the HTML email template system work?This article describes how HTML-formatted emails are supported in Zen Cart® v1.x.x Email...
How does the Product Notification system work?To Enable/Disable the Product Notification SystemGo to Admin->Configuration->Customer...
How much is the fee for using Zen Cart?There is no fee for using Zen Cart. You can download and use it. subject to the terms of the...
How to I change dates from US format to dd/mm/yyyy?There are a number of different date formats used around the world, and the approach for changing...
How to Set Up the FirstData Global Gateway API / Linkpoint API / YourPay API Payment ModuleREQUIREMENTS LinkPoint or YourPay (also called FirstData Global Gateway) account (naturally)...
How to Validate the Integrity of a Downloaded File (MD5 or SHA1 Checksums)What is Checksum Validation? When downloading files from the internet, it's very...
How to see all the tables in phpMyAdminIn the latest phpMyAdmin, the navigation on the left panel limits the list of tables to just a...
I am getting a blank page (or blank part of a page)Blank pages can be caused by a number of things, and often occur just after installing,...
I am seeing repeated Who's Online entries with autoLoadConfig or http in the URLIn older versions of Zen Cart (v1.3.0, 1.3.0.1, 1.3.0.2) there was a vulnerability in the code...
I am setting up two Zen Carts and would like to use the same Paypal account for both. Is this possible?Yes it is. When you set up the PayPal parameters for each of your Zen Cart sites you can give...
I can't login to the Admin after installing Zen CartIn most cases of difficulties logging in to the Admin area, the problem is one of: Admin pages...
I can't stay logged in to my Admin area -- or -- PHP Session Handling isn't working for me.THE FIRST THING TO TRY is this:- Close all your browser windows- Open 1 browser window, and use...
I cannot sign in.Check this article:http://tutorials.zen-cart.com/index.php?article=84
I had some custom code made for my shop, do I have to share it?Zen Cart is open-source. As such, the intent is that it is extensible. The core of Zen Cart is...
I had some custom code made for my shop, do I have to share it?Zen Cart is open-source. As such, the intent is that it is extensible. The core of Zen Cart is...
I have installed Zen Cart to a directory. How do I rename or move that directory?Scenario: I have been building my ZC behind the scenes...
I have installed Zen Cart to a directory. How do I rename or move that directory?Scenario: I have been building my ZC behind the scenes...
I have installed Zen Cart to a directory. How do I rename or move that directory?Scenario: I have been building my ZC behind the scenes...
I have installed Zen Cart to a directory. How do I rename or move that directory?Scenario: I have been building my ZC behind the scenes...
I have installed Zen Cart to a directory. How do I rename or move that directory?Scenario: I have been building my ZC behind the scenes...
I have set in my admin "Show Category Counts" to false, but now there are still arrows next to all categories (without folowing numbers). How can I erase those arrows?You can control those settings here:Admin->Configuration->Layout Settings- Categories...
I want to display some of my sideboxes on my front page only, and suppress them from all other pages.No problem. Let's use the featured product sidebox as an example.Create an over-ride for the...
I want to enable/disable the "New Products for [insert month]" or Featured/Special/Upcoming Products sections.There is a "New Products for [insert month]" section on several pages, including Home Page,...
I want to move my Zen Cart installation to another host or a different serverFIRST: If you are moving your site, DO NOT UPGRADE AT THE SAME TIME!!! Do your...
I want to move the Add to Cart box (or other section) to another place on my product page.1. You have a page you want to change the structure of.2. Open the page in your browser.3. Choose...
I would like to create a new sidebox that displays "categories" that I don't want to show up in the normal categories box.For example, I sell things to owners of dogs. In the regular categories box I have created...
I've got TEXT_MAIN being displayed on my page (or other unexpected UPPERCASE words)Lesson An uppercase set of words akin to TEXT_MAIN or ENTRY_STATE_TEXT or...
Image Preparation - How-toI've seen several posts where people obviously aren't quite sure about the best way to set up...
Image Preparation - How-toI've seen several posts where people obviously aren't quite sure about the best way to set up...
In my Admin, I would like my invoices, packing slips, etc. to contain my company logo.The logo used on Admin pages and on output from admin is admin/images/logo.gifIf you want to...
Integrating Sales Analytics/Affiliates ToolsOn the "checkout_success" page, there are several pieces of data available:...
Is it ideal to use a WYSIWYG editor such as Dreamweaver to work with Zen Cart in Dreamweaver?Yes and No. The pages displayed in your browser are made up of XHTML styled by CSS. XHTML is...
Is it possible to create/build a complete Zen-Cart setup on a test server and then install on a live server?Yes you can! (please be sure to look at the server requirements) 1- Install Zen Cart on...
Is it possible to create/build a complete Zen-Cart setup on a test server and then install on a live server?Yes you can! (please be sure to look at the server requirements) 1- Install Zen Cart on...
Is it possible to make some of my sideboxes appear only when a visitor is logged in?t's both possible and straightforward. Just four simple steps.1. Locate the module for the...
Is it possible to order fractional quantities?There are two setups required in order to allow customers to purchase in quantities less than...
Is it possible to turn off shopping cart line that says "Weight: 0lbs" in "Total Items: 1 Weight: 0lbs Amount: $38.95"?Yes. Go to: Admin->Configuration->Shipping/PackagingSelect Display...
Is there a way that I can check on what users with Admin access to my site are doing?There isn't currently a Zen Cart page to do this, but each time an Admin page is called, the...
Is there any way to generate a report on my banner advertising?Banner statistics are tracked on an ongoing basis. When you open the Banner Manager, you can see...
Language Files - What are they and how are they used?Zen Cart uses language files or a "languages system" to define the text content used by the...
My admin HTML editor is not workingIf you have added an HTML editor plugin to your admin and it is not "running" even though you've...
My browser bar says "Zen Cart!, The Art of ...", where do I change that?CAPITALIZED words refer to a folder or language that you choose. We use CUSTOM for...
My emails are not arriving to all domains, or rejected from "nobody"It actually has nothing to do with Zen Cart or the unroutable domains I was sending mail to. It...
My images are distorted/fuzzy/squished, help?Your images are distorted because the images sizes are set to fixed dimensions, both height and...
My prices are displaying $0 instead of the real amountFirst, check your store from another browser, preferably on another PC. Perhaps there may be a...
My site cannot be reached...admin cannot be reached.....error message 0 DB_ERROR_NOT_CONNECTED Where did my cart go? where did my admin go?0 DB_ERROR_NOT_CONNECTED is an error message that appears if your MySQL database cannot be...
My stylesheet is not loading; or my page loads with no styling or effect from CSS stylesheetIf your stylesheet is not loading properly (symptoms include a page that displays no coloring or...
No data in my store after moving to another server/host. Or error 1146 Table 'xyz.configuration' doesn't existMoving To Another Server To move your site to a new host, you should follow the...
Ok when i set a attribute to an item like a color that must be specified and I enable the Required button on the attribute it is letting customers add items to the cart without giving a required attribute. What could be causing this??"Required" is only for "text" input fields. (Hence the description of "Text Required").To force...
PayPal Error 10001: The transaction could not be loadedIf you are doing transaction testing, this error may appear if you attempt to use the reserved CC...
PayPal error - Geographic RegionSituation: The following error occurs when trying to process a payment through Paypal...
PayPal login screen vs Credit Card fields ... using PayPal Website Payments StandardQuestion: When I'm testing payments on my shop using PayPal Website Payments Standard, it...
Programmatically adding a menu item to the v1.5.0 (and later) adminEvery time I'm adding a new item to my v1.5.x admin, I search the forums and can never find the...
Rules for Plugin/Addon Contribution SubmissionWhat is a Contribution/Addon/Plugin? The Open Source community has many great benefits. One such...
Server log shows hits to /includes/templates/mytemplate/css/noneIn my server log I'm seeing hits at /includes/templates/mytemplate/css/noneclient denied by...
Should I charge taxes? How much do I charge?You should consult your local tax authority for tax advice as it relates to your business. For...
Should I charge taxes? How much do I charge?You should consult your local tax authority for tax advice as it relates to your business. For...
Should I convert my store from iso-8859-1 to utf8?Do I need to convert to UTF-8? If your site IS RUNNING or you have UPGRADED FROM an older...
Some of my PHP files are missing the ?> at the end of the fileSymptom The ending ?> seems to be missing in some of my files, esp since upgrading...
Some of my pages are blank except for these characters: �Problem:Some of my pages are blank except for these characters: ...
Some tips to modify stylesheet1. Download Web Developer extension for FireFox here2. Install & restart FireFox. You should...
Sorry, we are not shipping to your region at this time.This message usually occurs when you have no available shipping modules for that customer's...
Speed up site by caching page assetsAdding the following TO THE BOTTOM OF your /includes/.htaccess file may help improve page speed...
Structure of configure.php file• // Define the webserver and path parameters • // HTTP_SERVER is your Main...
Template Files - What are they and how are they used?The template files used in Zen Cart® provide the structure and layout of the various pagesof...
The Override System really simplifiedWherever you see a folder named "classic" you can safely add your...
There was a security error when trying to loginSituation: I have just upgraded and now I'm getting this error when trying to login from the...
This page contains both secure and nonsecure items (or "Unauthenticated content" or "connection partially encrypted").Problem:This happens on all my "secure" pages, such as Login, My Account and Checkout.When I...
UPS XML Rating and Service 1.0001 0 An unknown error occuredThe error, which occurs during the checkout process, is...Rating and Service 1.0001 0 An unknown...
Understanding the Override SystemThis article is based on material originally posted by Networkdad, DrByte and other...
Upgrading addons for compatibility with v1.5.xA number of features have been changed or added in v1.5.0. This may have broken some addons which...
Useful Tools For Working With Zen CartDescriptions of these tools can be found at the individual web sites Hash...
Variable Price Product or DonationYou can set up a product which can act as a variable-price amount, ideal for accepting donations,...
WARNING: An Error occurred, please refresh the page and try againThis is a generic message which usually indicates your site is having problems accessing data in...
Warning: Headers already sent...Symptom:Warning: Cannot modify header information - headers already sent by (output started at...
We cannot process your payment at this time. Please retry your purchase (PayPal)Situation: • Customer is attempting to complete a purchase and paying via...
What are the features of Zencart?-easy installation-multiple customer modes-unlimited category depth-multiple sales and...
What determines if a product is New?There are settings in in Admin->Configuration->Maximum Values to determine "what" New...
What directories contain all the template images? (i.e. buttons, icons, images etc.)?CAPITALIZED words refer to a folder or language that you choose. We use CUSTOM for...
What do the Page Parse times and Query Counts numbers mean?What Are The Parse Time Numbers If you have enabled the display of parse times, you will see...
What does MIXED ON mean?If you have the Minimum set to 36 ... the "MIXED: ON" status message shows. Mixed ON means that...
What files are used to edit both the way a product displays in the category listing and the product description page?This is handled in many ways. There are administrative "switches" under...
What is CHMOD and what do the numbers mean?Problem: "I'm having trouble setting my configure.php files to read-only. What does 444...
What is GZIP compression, and why should I use it?PurposeThe purpose of GZIP Compression: This causes pages to be compressed before being...
What is STRICT_ERROR_REPORTING?This is a setting that can be used by developers to tell the store to override its normal...
What is Zencart?Zen Cart™ truly is the art of e-commerce; free, user-friendly, open source shopping cart...
What is a "Linked Product"?A linked product is a product that is set up to display in more than one category.This means that...
What is a "database" anyway? and what are database "prefixes"?The database is a collection of tables. Tables are like spreadsheets, storing data in rows and...
What is a stylesheet? (A Primer)The Stylesheet is the standard way to define the look of your site, from fonts and colors to the...
What is an SSL certificateAn SSL certificate contains the following information:- The domain name for which the certificate...
What is the maximum file upload size for my site?The ability to upload files to your Zen Cart site (via a browser, such as Firefox) is affected by...
What payment gateways does Zen Cart work with?Zen Cart has gateways built-in for:- Authorize.net AIM (SIM also supported, but AIM is...
What's the difference between PayPal Standard, Express, and Pro?Zen Cart recommends using Express Checkout instead of Website Payments Standard.PayPal Express...
What's New in the Upcoming v2.0 release?Database Abstraction Layer and Sql CacheThe abstraction layer has been re-factored to include a...
When I log into Admin, first page is slow or it just hangs forever.FIRST ... is the slowness *only* for the admin area? If you also see the *same* slowness in your...
When I try to edit my Zen Cart CSS using the Firefox Web Developer extension, my site goes funnyThis is because Web Designer's Edit CSS function can't find your background images. Zen Cart's...
Where are the buttons hiding & how do I change them?The list of buttons is in:includes/language/english/button_names.php Create your buttons using...
Where can I download the Zen Cart code?You can download any of the Zen Cart original files (current version and older versions) by...
Where can I find API documentation about Zen Cart?Zen Cart® Code Documentation Zen Cart® Implementation Guide Zen Cart® v1.5.0...
Where do I find the files I would edit to change other parts of my cart (i.e. template files, sideboxes, etc.)?If you want to turn your sideboxes on and off, or move them left and right, you do this from the...
Why Should I Make Bug Reports?Because the code is always evolving there are bound to be occasional mistakes. If you find a code...
Why Should I Make Bug Reports?Because the code is always evolving there are bound to be occasional mistakes. If you find a code...
Why am I seeing images for other products on my product pages?Problem: On my product pages, I'm seeing images from other products showing under my product...
Why aren't my downloads activating after checkout?Downloads are not activated until payment has been received.When your customer pays using a...
Why can't my customers pay without having a PayPal account?Situation My store is set up to use PayPal Payments Standard to receive payments from...
Why do my product names show twice?Symptom:Instead of showing a product image thumbnail and the product's name, I'm seeing just the...
Would like to set up individual shipping charges per item. That is, Item A will cost $25.00 per item to ship and Item B would cost $30.00 per item to ship. How can this be done?The per-weight shipping module can be used for this.1. Turn on the Per-Unit (perweightunit)...
configure.php File Contents ExplainedQuick Summary: HTTP_SERVER and HTTPS_SERVER are the domain name of your site. Visiting this...
