Upgrading - Quick Reference
Summary of Key Points For Upgrading
Upgrading
Upgrading your store
Why should I upgrade?
About upgrading and why it’s part of running Zen Cart
Standard Upgrade - Recommended Procedure
Upgrading Step By Step – and still keep my live store running in the meantime
Database-Only Upgrade Instructions
Upgrading if you don’t want to keep your customizations
Configuration Parameter Name Changes
Changes to the names of configuration parameters
Could not upgrade to version X
Troubleshooting a failed database upgrade
Date standardization
Getting custom date fields set correctly
Fixing broken tables
Common MySQL table issues
Installer does not show an Upgrade button
I only see the Clean Install button
JavaScript Libraries
Keeping your JavaScript libraries current
PHP Warnings and Deprecated messages after upgrading
How to fix the most common PHP7 messages
Release Specific Upgrade Considerations
Watch for these changes if you are upgrading and preserving customizations
Mixed Collation Errors
How to handle “Illegal mix of collations” after upgrade
PHP Configuration
Changing PHP version or PHP Settings
Technical - Converting from iso-8859-1 to utf8 or utf8mb4
Modern sites should use UTF8 or UTF8MB4
Updating your PHP Version
Moving to a higher PHP version after an upgrade
Do you have a suggestion for a FAQ? Please post it to General Questions on the support forum.
Last modified August 31, 2020 by Scott C Wilson (ecbf3b5).