Overview

Hook Explorer browses registered WordPress hooks and their callbacks. Open from Zelvigo Dev Studio → Hook Explorer.

Overview stats

• Total hooks and callbacks
• Breakdown by source: core, plugin, theme, mu-plugin

Filters

• Search — filter by hook name
• Callback source — core, plugin, theme, etc.
• Plugin — limit to a specific plugin’s callbacks

Callback details

For each callback: priority, callable name, accepted args count, source type, and file location when available.

Use cases

• Debug why a hook fires unexpectedly
• Find which plugin registers a callback
• Understand load order and priorities