A real WooCommerce case where two plugins both tried to extend wpdb and only one could win. Here is how the decorator pattern wraps the object instead, so they can stack without breaking each other.
A new client’s WooCommerce checkout was throwing fatal errors after a developer rebuilt field validation from scratch. The fix was not a better library but a short function hooked into WooCommerce, and here is why that was the right call.
A client wanted one checkout field, and the old code tempted me into a week-long refactor. I shipped the field with two WooCommerce hooks instead, a reminder that a working feature on time beats a perfect rewrite that never ships.
A WooCommerce client needed clean URLs for an old custom event plugin, and the Rewrite API alone kept getting fragile. Here is why a proper object-oriented routing system holds up better as a WordPress site grows into an application.
A WooCommerce add to cart button was failing silently for some users, with no logged errors to go on. Here is how a few lines in wp-config.php turn on WordPress error logging so you can see what is actually breaking on a live site.
A client’s custom events plugin had grown into tangled procedural code that broke every time they touched it. This is how object-oriented programming, and the pattern behind WordPress hooks, keeps a plugin maintainable as it grows.
A client added an email signup form with a heavy marketing plugin and wrecked his site speed. Here’s how to build a lightweight form that posts to your provider’s REST API instead, with full control and no bloat.
Duplicated pricing logic across half a dozen WooCommerce templates turned a 30-minute change into a day of risky edits. The DRY principle, and one function as the single source of truth, is the fix.
A junior dev fixed a 404 by flushing WordPress rewrite rules on every page load, which wrecked performance. Here’s how to register rules on init and flush them only once, when they actually change.
A WooCommerce checkout threw intermittent 500 errors and the logs were useless. Here’s how logging with context, the user, their cart, the gateway, turns a noisy debug.log into error logging you can actually act on.