Removes a callback function from an action hook.

This can be used to remove default functions attached to a specific action hook and possibly replace them with a substitute.

To remove a hook, the $callback and $priority arguments must match when the hook was added. This goes for both filters and actions. No warning will be given on removal failure.

$hook_name string Required

The action hook to which the function to be removed is hooked.

$callback callable|string|array Required

The name of the function which should be removed.
This function can be called unconditionally to speculatively remove a callback that may or may not exist.

$priority int Optional

The exact priority used when adding the original action callback.

Default: 10

bool Whether the function is removed.

• This function is an alias to remove_filter() .
• See also add_action() and add_filter() .
• To remove a hook, the $function_to_remove and $priority arguments must match when the hook was added. This goes for both filters and actions. No warning will be given on removal failure.

File: wp-includes/plugin.php. View all references

function remove_action( $hook_name, $callback, $priority = 10 ) {
	return remove_filter( $hook_name, $callback, $priority );
}