Configuration Data Validation - About
How is data validation done for configuration values?
PHP
PHP-specific guidance for Zen Cart development
Use this section for PHP idioms, version changes, deprecations, and related coding guidance that applies across the Zen Cart codebase.
Start with:
PHP Idioms
Coding practices you will see in recent versions of Zen Cart
PHP Updates
Handling changes to PHP
PHP Version Changes and Deprecations
Notes about technical changes between PHP versions
Last modified May 27, 2026 by Ian Wilson (e07ac859).