Hooks
Hook Functions
Core functions for registering and executing WordPress hooks. Source: wp-includes/plugin.php Filter Functions add_filter() Adds a callback function to a filter...
Updated March 4, 2026
Hooks API
The foundation of WordPress extensibility. Hooks allow plugins and themes to modify behavior without editing core files. Since: 0.71 (filters),...
Updated March 4, 2026
WP_Hook
Core class implementing action and filter hook functionality. Since: 4.7.0 Source: wp-includes/class-wp-hook.php final class WP_Hook implements Iterator, ArrayAccess Overview WP_Hook...
Updated March 4, 2026
Common Hooks
Categorized reference of frequently-used WordPress action and filter hooks. Initialization Actions Core Bootstrap Hook When it Fires Typical Use muplugins_loaded...
Updated March 4, 2026