Debugging

By Greg Nowak, 1 October, 2021

Check if a Constant Is Defined in PHP: Practical Code Snippet

Use `defined()` first, `constant()` only when you need a dynamic lookup, and `get_defined_constants(true)` for audits. This updated PHP and WordPress guide explains the safe pattern for `DISALLOW_FILE_EDIT` and environment troubleshooting.

Debugging PHP: A Practical Workflow for Faster Fixes

A practical PHP debugging workflow for teams: improve visibility, log safely, inspect variables, use Xdebug when logs are not enough, and clean up after fixes.

Debugging WordPress on a Live Site: A Safer Workflow

Debug a live WordPress site without exposing errors: a practical workflow for safe logging, WP-CLI isolation, cache checks, and clean rollback.

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