Category
Development
Materials in this category
The Illusion of a Schedule: Why WP-Cron Isn’t a Real Cron Job, and How That Trips Up Projects at Any Scale
The Problem WP-Cron looks like an ordinary system cron: you register an event, set an interval, and it “runs on schedule.” That’s an illusion. There is no real…
A Hook That Fires Twice – and How Not to Trigger an Infinite Loop When Saving a Post
Why This Is Dangerous This isn’t some edge case — it’s one of the most common reasons a “simple” post save suddenly hangs the admin. The problem is…
Enqueue Hooks: Four Hooks, Four Different Zones — and How Not to Mix Them Up
On the surface, these five hooks all do the same thing — load CSS/JS. But four of them sound almost identical while each one runs in a different…
Head & Meta Hooks: The Silent Failures WordPress Won’t Warn You About
These five hooks control what WordPress writes into <title>, into <head>, into the <body> class list, and right before </body>. On paper, plumbing. In practice, this is exactly…
The Window of Opportunity: When Each WordPress Bootstrap Hook Is Open, and When It’s Already Closed
Both examples are correct code in the wrong hook. Why This Is Dangerous This isn’t always a reproducible bug. Whether it fires or not often depends on plugin…
SOLID in the WordPress Ecosystem: What 4wp.dev’s Plugins Actually Prove
WordPress makes it easy to write code that works and easy to write code that lasts, and those are not the same skill. Hooks, filters, custom post types,…
muplugins_loaded: The Hook That Actually Fires First in WordPress Slug: muplugins-loaded-the-real-first-hook
Quick interview trap: which WordPress hook fires first? Ask ten WordPress developers “which hook runs first?” and nine will say init. The sharper ones say plugins_loaded. Almost nobody…
4WP Smart Link: How a Common Client Request Became a Scalable Open-Source WordPress Plugin
Let’s use a real case — a routine client request to make a Cover block’s photo clickable in FSE Gutenberg — to walk through what client-centricity, thoughtful design,…
3 WordPress Hooks Every Developer Should Know: Classic vs Block Theme
These three hooks fire on every single WordPress site, no matter what theme is running underneath. The hook itself never changes. What changes — quietly, and in ways…
4WP-Booking: How One Dental Clinic’s Request Became a Domain-Driven WordPress Booking Platform
Most WordPress booking plugins start the same way: a client needs to connect their site to a specific tool, so a developer wires up that one API and…